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Acer 390 Series Service Manual

Acer 390 Series Service Manual

Notebook computer
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PART NO.: 49.43A02.001
DOC. NO.: SG234-9710A
390 Series
390 Series
Notebook Computer
Notebook Computer
Service Guide
PRINTED IN TAIWAN

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Summary of Contents for Acer 390 Series

  • Page 1 390 Series 390 Series Notebook Computer Notebook Computer Service Guide PART NO.: 49.43A02.001 DOC. NO.: SG234-9710A PRINTED IN TAIWAN...
  • Page 2 Further, Acer Incorporated reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of Acer Incorporated to notify any person of such revision or changes.

  • Page 3: System Introduction

    About this Manual About this Manual Purpose This service guide aims to furnish technical information to the service engineers and advanced users when upgrading, configuring, or repairing the 390 series notebook computer. Manual Structure This service guide contains technical information about the 390 series notebook computer. It consists of three chapters and five appendices.
  • Page 4 Appendix D Schematics This appendix contains the schematic diagrams for the system board. Appendix E BIOS POST Checkpoints This appendix lists and describes the BIOS POST checkpoints. Conventions The following are the conventions used in this manual: Represents text input by the user. Text entered by user Denotes actual messages that appear onscreen.

  • Page 5: Table Of Contents

    Table of Contents Table of Contents Chapter 1 System Introduction Overview ......................1-1 System Board Layout................... 1-2 1.2.1 Mainboard..................... 1-2 1.2.2 CPU Board.................... 1-4 1.2.3 Audio Board ..................1-5 1.2.4 Battery Board ..................1-5 1.2.5 Keyboard/Touchpad Board..............1-6 Jumpers and Connectors ..................1-7 Hardware Configuration and Specification............
  • Page 6 1.4.24 LCD .....................1-21 1.4.25 AC Adapter ..................1-22 Software Configuration and Specification............1-23 1.5.1 BIOS....................1-23 1.5.2 Drivers, Applications and Utilities ............1-29 Block Diagrams ....................1-31 1.6.1 System....................1-31 1.6.2 Clock ....................1-32 Environmental Requirements................1-33 Mechanical Specifications...................1-34 Chapter 2 Major Chips Description PCI 1250A ......................2-2 2.1.1 Features....................2-2 2.1.2 Block Diagram ..................2-4...
  • Page 7 2.5.3 Pin Configuration .................2-78 2.5.4 Pin Descriptions ...................2-79 YMF715B-S ......................2-81 2.6.1 Features....................2-81 2.6.2 Pin Diagram ..................2-82 2.6.3 Pin Descriptions ...................2-83 Chapter 3 BIOS Setup Utility Basic System Settings ..................3-3 Startup Configuration ................... 3-4 Onboard Devices Configuration ................3-6 System Security....................3-8 Power Management Settings ................
  • Page 8 Appendices Appendix A Model Number Definition Appendix B Exploded View Diagram Appendix C Spare Parts List Appendix D Schematics Appendix E BIOS POST Checkpoints viii...
  • Page 9 List of Figures PCB No. 96183-1A Mainboard Layout (Top) ............1-2 PCB No. 96183-1A Mainboard Layout (Bottom) ........... 1-3 PCB No. 96534-SE CPU Board Layout (Top)............1-4 PCB No. 96534-SE CPU Board Layout (Bottom)..........1-4 PCB No. 97355-1 Audio Board................1-5 PCB No.
  • Page 10 4-11 Removing the LED Cover ...................4-12 4-12 Removing the Heat Sink Assembly ..............4-12 4-13 Unplugging the Display Cable ................4-13 4-14 Removing the Display Hinge Screws ..............4-13 4-15 Removing the Display Hinge Screws ..............4-14 4-16 Removing the Internal Drive ................4-15 4-17 Replacing the CPU .....................4-15 4-18 Removing Cables ....................4-16...
  • Page 11 List of Tables CPU Mounting Reference Table................1-5 SW1 Switch Settings ................... 1-8 Memory Address Map ..................1-9 Interrupt Channel Map ..................1-9 DMA Channel Map....................1-10 I/O Address Map ....................1-10 Processor Specifications..................1-11 BIOS Specifications ....................1-11 Memory Configurations..................1-12 1-10 Video RAM Configuration..................1-13 1-11 Video Hardware Specification ................1-13 1-12...
  • Page 12 1-35 Hard Disk Standby Mode Conditions and Descriptions ........1-28 1-36 Location of Drivers in the System Utility CD............1-29 1-37 Location of Applications in the System Utility CD ..........1-30 1-38 Environmental Requirements................1-33 1-39 Mechanical Specifications...................1-34 Major Chips List ....................2-1 PCI1250 Terminal Functions.................2-5 M1531 Signal Descriptions..................2-24 M1531 Numerical Pin List ...................2-28 M1533 Numerical Pin List ...................2-40...

  • Page 13: Chapter 1 System Introduction

    C h a p t e r C h a p t e r System Introduction Overview This computer combines high-performance, versatility, power management features and multimedia capabilities with unique style and ergonomic design. This computer was designed with the user in mind. Here are just a few of its many features: Performance Intel Pentium®...

  • Page 14: System Board Layout

    System Board Layout 1.2.1 Mainboard Figure 1-1 PCB No. 96183-1A Mainboard Layout (Top) Service Guide...

  • Page 15: Pcb No. 96183-1A Mainboard Layout (Bottom)

    Figure 1-2 PCB No. 96183-1A Mainboard Layout (Bottom) System Introduction...

  • Page 16: Cpu Board

    1.2.2 CPU Board Figure 1-3 PCB No. 96534-SE CPU Board Layout (Top) Figure 1-4 PCB No. 96534-SE CPU Board Layout (Bottom) Service Guide...

  • Page 17: Audio Board

    The following table is a reference when mounting the CPU. Table 1-1 CPU Mounting Reference Table Volt. Ext Freq Ratio Volt Freq R11 R20 R22 R24 R26 RX14 RY1 RX6 RX11 RX12 UX2 UX3 P55C-133MHz 2.5V 133=66x2 P55C-150MHz 2.5V 150=60x2.5 P55C-166MHz 2.5V 166=66x2.5 TLMK-200MHz 1.8V...

  • Page 18: Keyboard/Touchpad Board

    1.2.5 Keyboard/Touchpad Board Figure 1-7 PCB No. 97349-1 Keyboard/Touchpad Board (Top View) Figure 1-8 PCB No. 97349-1 Keyboard/Touchpad Board (Bottom View) Service Guide...

  • Page 19: Jumpers And Connectors

    Jumpers and Connectors TOP VIEW CN12 CN11 CN10 CN16 CN13 CN15 CN14 CN17 CN18 CN21 CN19 CN20 CN22 USB port CN14 Audio board cable connector Parallel port CN15 Internal speaker connector (right) Serial port CN16 PCMCIA socket connector VGA port CN17 FDD/CD-ROM connector Port replicator port...

  • Page 20: Jumpers And Connectors (Bottom View)

    Modem connector DIMM DIMM sockets Figure 1-10 Jumpers and Connectors (Bottom View) The following tables list the switch settings for SW1. Table 1-2 SW1 Switch Settings Acer Switch 1 (Logo Screen) Bypass Check Switch 2 (Password) Germany U.S. Japanese Switch 3 (KB Language)

  • Page 21: Hardware Configuration And Specification

    Hardware Configuration and Specification 1.4.1 Memory Address Map Table 1-3 Memory Address Map Address Range Definition Function 000000 - 09FFFF 640 KB memory Base memory 0A0000 - 0BFFFF 128 KB video RAM Reserved for graphics display buffer 0C0000 - 0CBFFF Video BIOS Video BIOS 0F0000 - 0FFFFF...

  • Page 22: Dma Channel Map

    1.4.3 DMA Channel Map Table 1-5 DMA Channel Map Controller Channel Address Function 0087 Audio (option) / Audio 0083 Audio (option) / ECP / Audio / FIR 0081 Diskette 0082 Audio (option) / ECP / FIR Cascade Cascade 008B Not support 0089 Not support 008A...

  • Page 23: Processor

    CPU I/O voltage 2.5V/3.3V/2.5V 1.4.6 BIOS Table 1-8 BIOS Specifications Item Specification BIOS vendor Acer BIOS version V3.0 BIOS in flash EPROM (Y/N) BIOS ROM size 256KB BIOS package type 32-pin PLCC Same BIOS for STN color/TFT color (Y/N) BIOS...

  • Page 24: Second-Level Cache

    16MB (2M*8x8) 32MB (4M*16x4) 64MB (8M*8x8) Expansion RAM module speed/voltage/package: 60ns/3.3v/TSOP EDO EDO and fast-page mode DIMMs may be used together in a memory configuration. The following table lists all possible memory configurations. Table 1-9 Memory Configurations Slot 1 Slot 2 Total Memory 8 MB 0 MB...

  • Page 25: Video Memory

    1.4.9 Video Memory Table 1-10 Video RAM Configuration Item Specification DRAM or VRAM DRAM(EDO type) Fixed or upgradeable Fixed Memory size/configuration 2MB (256K x 16 x 4pcs) Memory speed 50ns Memory voltage 3.3V Memory package TSOP 1.4.10 Video Table 1-11 Video Hardware Specification Item Specification...

  • Page 26: Parallel Port

    1.4.10.2 LCD Resolution Support Table 1-13 Supported LCD Resolutions Resolution x Color on LCD Only TFT LCD (SVGA) DSTN LCD (SVGA) 640x480x16 640x480x256 640x480x65,536 640x480x16,777,216 800x600x16 800x600x256 800x600x65,536 800x600x16777216 1024x768x16 1024x768x256 1024x768x65536 1280x1024x16 1280x1024x256 Maximum resolution (External CRT): 1280x1024 Using software, you can set the LCD to a higher resolution than its physical resolution, but the image shown on the LCD will pan.

  • Page 27: Serial Port

    1.4.12 Serial Port Table 1-15 Serial Port Configurations Item Specification Number of serial ports 16550 UART support Connector type 9-pin D-type Location Rear side Serial 1 (3F8h, IRQ4) Selectable serial port (by BIOS Setup) Serial 2 (2F8h, IRQ3) Disable 1.4.13 Audio Table 1-16 Audio Specifications...

  • Page 28: Touchpad

    Table 1-17 PCMCIA Specifications Item Specification Chipset TI 1250A Supported card type Type-II / Type-III Number of slots Two Type-II or one Type-III Access location Left side ZV (Zoomed Video) port support 1.4.15 Touchpad Table 1-18 Touchpad Specifications Item Specification Synaptics TM3202TPD-226 Vendor &...

  • Page 29: Fdd

    1.4.16.1 Windows 95 Keys The keyboard has two keys that perform Windows 95-specific functions. See Table 1-26. Table 1-20 Windows 95 Key Descriptions Description Windows logo key Start button. Combinations with this key performs special functions, e.g.: Windows + Tab Activate next Taskbar button Windows + E Explore My Computer Windows + F Find Document Windows + M Minimize All...

  • Page 30: Hdd

    1.4.18 Table 1-22 HDD Specifications Item Specification Vendor & Model Name Hitachi DK225A-21 IBM DTNA22160 IBM DDLA21620 Drive Format Capacity (MB) 2160 2160 1620 Bytes per sector Logical heads Logical sectors Logical cylinders 4889 4200 3152 Physical read/write heads Disks Spindle speed (RPM) 4464 4000...

  • Page 31: Battery

    1.4.20 Battery Table 1-24 Battery Specifications Item Specification Battery gauge on screen Yes, by hotkey Yes, by hotkey Vendor & model name Toshiba BTP-031 Sony BTP-T31 Battery type NiMH Li-Ion Cell capacity (mAH) 3500 1400 Cell voltage (V) Number of battery cell 9-cell 9-Cell Package configuration...

  • Page 32: Dc-Dc Converter

    Table 1-25 Charger Specifications Item Specification Vendor & model name Ambit T62.069.C.00 Input voltage (from adapter, V) 0-24V Output current (to DC/DC converter, A) 3 (max.) Battery Low Voltage Battery Low 1 level (V) 10.16 (typ., for NiMH) 8.566 (typ., for LIB) Battery Low 2 level (V) 10.279 (typ., for NiMH) 8.185 (typ., for LIB)

  • Page 33: Dc-Ac Inverter

    1.4.23 DC-AC Inverter DC-AC inverter is used to generate very high AC voltage, then supply to LCD CCFT backlight use, and is also responsible for the control of LCD brightness. Avoid touching the DC-AC inverter area while the system unit is turned on. Table 1-27 DC-AC Inverter Specifications Item...

  • Page 34: Ac Adapter

    1.4.25 AC Adapter Table 1-29 AC Adapter Specifications Item Specification Vendor & model name Delta ADP-45GB Rev. E3, E5 Input Requirements Nominal voltages (Vrms) 90 - 264 Nominal frequency (Hz) 47 - 63 Frequency variation range (Hz) 47 - 63 Maximum input current (A, @90Vac, full load) 1.5 A Inrush current...

  • Page 35: Software Configuration And Specification

    Software Configuration and Specification 1.5.1 BIOS The BIOS is compliant to PCI v2.1, APM v1.2, E-IDE and PnP specification. It also defines the hotkey functions and controls the system power-saving flow. 1.5.1.1 Keyboard Hotkey Definition The notebook supports the following hotkeys. Table 1-30 Hotkey Descriptions Hotkey...

  • Page 36: Power Management Block Diagram

    1.5.1.2 MultiBoot The system can boot from the FDD, External FDD, HDD, CD-ROM. The user can select the desired booting process to boot the system. If the CD-ROM is bootable, the BIOS will override the other process to boot the system directly. 1.5.1.3 Power Management This computer has a built-in power management unit that monitors system activity.

  • Page 37: Standby Mode Conditions And Descriptions

    ON MODE Normal full-on operation STANDBY MODE The computer consumes very low power in standby mode. Data remain intact in the system memory until battery is drained. Warning: Unstored data is lost when you turn off the computer power in standby mode or when the battery is drained.

  • Page 38: Light Green Mode Conditions And Descriptions

    LIGHT GREEN MODE The notebook consumes very low power in light green mode. Data and I/O connections remain intact in the system memory until battery is drained. Table 1-32 Light Green Mode Conditions and Descriptions Condition Description PCMCIA I/O Card detected and occupy resources (Non Cardbus mode). The condition to enter Light Green Mode HPM timer times out or cover close or APM standby / suspend function calls.

  • Page 39: Hibernation Mode Conditions And Descriptions

    Table 1-33 Hibernation Mode Conditions and Descriptions Condition Description The condition to There are two necessary conditions for the computer to enter standby mode: enter Hibernation Heuristic Power Management Mode must be set to [ENABLED]. Mode System Sleep State must be set to [HIBERNATION]. The hibernation file created by Sleep Manager must be present and valid.

  • Page 40: Hard Disk Standby Mode Conditions And Descriptions

    HARD DISK STANDBY MODE The hard disk enters standby mode when there are no disk read/write operations within the period of time determined by the computer’s HPM unit. In this state, the power supplied to the hard disk is reduced to a minimum. The hard disk returns to normal once the computer accesses it. Table 1-35 Hard Disk Standby Mode Conditions and Descriptions Condition...

  • Page 41: Drivers, Applications And Utilities

    The following processes are the basic methods used to implement the LCD brightness AutoDim. If the original brightness is over 75% and the AC power is on-line, the BIOS will change the brightness to 75% after the AC power is off-line. If the original brightness is below 75%, the brightness maintains the same level even if the AC power is off-line.

  • Page 42: Location Of Applications In The System Utility Cd

    To re-install applications under Windows 95, click on Start, then Run…. Based on the location of the application, run the setup program to install the application. The following table lists the applications and their locations: Table 1-37 Location of Applications in the System Utility CD Name Function Location...

  • Page 43: Block Diagrams

    Block Diagrams 1.6.1 System Figure 1-12 System Block Diagram System Introduction 1-31...

  • Page 44: Clock

    1.6.2 Clock Figure 1-13 Clock Block Diagram 1-32 Service Guide...

  • Page 45: Environmental Requirements

    Environmental Requirements Table 1- 38 Environmental Requirements Item Specification Temperature Operating (ºC) +5~ +35 Non-operating(ºC) -20 ~ +60 Humidity Operating (non-condensing) 20% ~ 80% Non-operating (non-condensing) 20% ~ 80% Operating Vibration (unpacked) Operating 5 - 25.6Hz, 0.38mm; 25.6 - 250Hz, 0.5G Sweep rate 0.5 octave / minute Number of test cycles...

  • Page 46: Mechanical Specifications

    Mechanical Specifications Table 1-39 Mechanical Specifications Item Specification Weight (includes battery) FDD model 2.77 kg. (6.11 lb.) CD-ROM model 2.8 kg. (6.2 lb.) Dimensions W x D x H (main footprint) 311.5mm x 236/246mm x 46.5mm (12.26” x 9.29”/9.69” x 1.83”) 1-34 Service Guide...

  • Page 47: Chapter 2 Major Chips Description

    C h a p t e r C h a p t e r Major Chips Description This chapter discusses the major chips used in the notebook. Table 2-1 Major Chips List Component Vendor Description PCI 1250A PC Card controller chip Aladdin IV (M1531/M1533) System Architecture chipset FDC37C672...

  • Page 48: Pci 1250A

    PCI 1250A The Texas Instruments PCI1250A is a high-performance PC Card controller with a 32-bit PCI interface. The device supports two independent PC Card sockets compliant with the 1995 PC Card Standard. The PCI1250A provides a rich featured set which make it the best choice for bridging between PCI and PC Cards in both notebook and desktop computers.
  • Page 49 Supports Burst Transfers to Maximize Data Throughput on both PCI Buses Supports Serialized IRQ with PCI Interrupts 8-Way Legacy IRQ Multiplexing System Interrupts can be Programmed as PCI-style or ISA IRQ-style ISA IRQ interrupts can be Serialized onto a single IRQSER pin EEPROM Interface for Loading Subsystem ID and Subsystem Vendor ID Pipelined Architecture allows Greater than 130 Mbytes per second throughput from CardBus to PCI and from PCI to CardBus...

  • Page 50: Block Diagram

    2.1.2 Block Diagram A simplified block diagram of the PCI1250 is provided in following figure. The PCI interface includes all address/data and control signals for PCI protocol. The interrupt interface includes terminals for parallel PCI, parallel ISA, and serialized PCI & ISA signaling. The ring indicate terminal is included in the interrupt interface, since it's function is to perform system wake-up on incoming PC Card modem rings.

  • Page 51: Terminal Functions

    2.1.3 Terminal Functions This section describes the PCI1250A terminal functions. The terminals are grouped in tables by functionality such as PCI system function, power supply function, etc. for quick reference. The terminal numbers are also listed for convenient reference. Table 2-2 PCI1250 Terminal Functions Name I/O Type...

  • Page 52: Pci1250 Terminal Functions

    Table 2-2 PCI1250 Terminal Functions Name I/O Type Function PCI Address and Data Terminals AD31 PCI address data bus. These signals make up the AD30 multiplexed PCI address and data bus on the AD29 primary interface. During the address phase of a AD28 primary bus PCI cycle, AD31:0 contain a 32-bit AD27...
  • Page 53 Table 2-2 PCI1250 Terminal Functions Name I/O Type Function PCI Interface Control Terminals DEVSE PCI device select. The PCI1250A asserts this signal to claim a PCI cycle as the target device. As a PCI initiator on the bus. the PCI1250A monitors this signal until a target responds.
  • Page 54 Table 2-2 PCI1250 Terminal Functions Name I/O Type Function STOP PCI cycle stop signal. This signal is driven by a PCI target to request the initiator to stop the current PCI bus tranaction. This signal is used for target disconnects and is commonly asserted by target devices which do not support burst data transfers.
  • Page 55 Table 2-2 PCI1250 Terminal Functions Name I/O Type Function Card Data. 16-bit PC Card data lines. D15 is the most significant 16-Bit PC Card Interface Control Terminals (Slot A And Slot B) Slot A Slot B Battery Voltage Detect 1. Generated by 16-bit BVD1 memory PC Cards that include batteries.
  • Page 56 Table 2-2 PCI1250 Terminal Functions Name I/O Type Function BVD2 Battery Voltage Detect 2. Generated by 16-bit (SPKR) memory PC Cards that include batteries. BVD2 is used with BVD1 as an indication of the condition of the batteries on a memory PC Card. Both BVD1 and BVD2 are high when the battery is good.
  • Page 57 Table 2-2 PCI1250 Terminal Functions Name I/O Type Function IOWR I/O Write IOWR is driven low by the PCI1250A to strobe write data into 16-bit l/O PC Cards during host l/O write cycles. DMA Read. This pin is used as the DMA write strobe during DMA operations from a 16-bit PC Card that supports DMA.
  • Page 58 Table 2-2 PCI1250 Terminal Functions Name I/O Type Function Write enable. WE is used to strobe memory write data into 16-bit memory PC Cards. WE is also use for memory PC Cards that employ programmable memory technologies. DMA terminal count. This pin is used as TC during DMA operations to a 16-bit PC Card which supports DMA.
  • Page 59 Table 2-2 PCI1250 Terminal Functions Name I/O Type Function CRSST CardBus PC Card Reset. This signal is used to bring CardBus PC Card specific registers, sequencers, and signals to a known state. When CRST is asserted, all CardBus PC Card signals must be 3-statedt and the PCI1250A will drive these signals to a valid logic level.
  • Page 60 Table 2-2 PCI1250 Terminal Functions Name I/O Type Function CC/BE3 CardBus Bus Commands and Byte Enables. The CC/BE2 command and byte enable signals are multiplexed CC/BE1 on the same CardBus terminals. During the CC/BE0 address phase of a CardBus cycle, CC/BE3:0 defines the bus command.
  • Page 61 Table 2-2 PCI1250 Terminal Functions Name I/O Type Function CINT CardBus interrupt. This signal is asserted low by a CardBus PC Card to request interrupt servicing from the host. CIRDY CardBus initiator ready. CIRDY indicates the CardBus initiator's ability to complete the current data phase of the transaction.
  • Page 62 Table 2-2 PCI1250 Terminal Functions Name I/O Type Function System Interrupt Terminals GPIO3/INTA GPI03/lNTA Parallel PCI Interrupt. This terminal can be connected to an available PCI interrupt if parallel PCI interrupts are used, and the PCI1250A will output PCI INTA through this terminal. Refer to the Interrupt Subsystem description in this document for details on interrupt signaling.
  • Page 63 Table 2-2 PCI1250 Terminal Functions Name I/O Type Function CLOCK 3-Line Power Switch Clock. Information on the DATA line is sampled at the rising edge of CLOCK. This terminal defaults to an input, but can be changed to a PCI1250A output by using the P2CCLK bit in the I/O System Control Register.
  • Page 64 Table 2-2 PCI1250 Terminal Functions Name I/O Type Function PC/PCI DMA Terminals PCREQ/ PC/PCI DMA Request. This signal is used to IRQMUX7 request DMA transfers as DREQ in a system supporting the PC. PCI DMA scheme. IRQMUX7. When this terminal is configured for IRQMUX7, it provides the IRQMUX7 interrupt output of the interrupt mux, and can be mapped to any of 15 ISA type IRQs.
  • Page 65 Table 2-2 PCI1250 Terminal Functions Name I/O Type Function SPKROUT Speaker Output. This signal is the output to the host system that can carry the SPKR or CAUDIO signal through the PCI1250A from the PC Card interface. This signal is driven as the exclusive OR combination of card SPKR//CAUDIO inputs.

  • Page 66: Aladdin Iv (M1531/M1533)

    Aladdin IV (M1531/M1533) The Aladdin-IV is the succeeding generation chipset of Aladdin-III from Acer Labs. It maintains the best system architecture (two-chip solution) to achieve the best system performance with the lowest system cost (TTL-free). The Aladdin-IV consists of two BGA chips to give the 586-class system a complete solution with most up-to-date features and architecture for multimedia/ multithreading OS and software applications.
  • Page 67 2.2.1.1 Features Supports all Intel/Cyrix/AMD/TI/IBM 586 processors. Host bus at 83.3, 75, 66, 60 and 50 MHz at 3.3V/2.5V Supports Linear Wrap mode for Cyrix M1 and M2 Write-Allocation feature for K6 Pseudo-Synchronous PCI bus access (CPU bus: 75 MHz - PCI bus: 30 MHz, CPU bus: 83.3 MHz - PCI bus: 33 MHz) Supports Pipelined-burst SRAM/Memory Cache Direct mapped, 256 KB/512 KB/1 MB Write-Back/Dynamic-Write-Back cache policy...
  • Page 68 Supports the most flexible six 32-bit populated banks of DRAM for easy DRAM upgrade Supports SIMM and DIMM Synchronous/Pseudo Synchronous 25/30/33MHz 3.3V/5V tolerance PCI interface Concurrent PCI architecture PCI bus arbiter: five PCI masters and M1533/ M1543 (ISA Bridge) supported 6 DWords for CPU-to-PCI memory write posted buffers Converts back-to-back CPU to PCI memory write to PCI burst cycle 38/22 Dwords for PCI-to-DRAM Write-posted/ Read-prefetching buffers...

  • Page 69: M1531 Pin Diagram (Top View)

    2.2.1.2 Pin Diagram AD3 AD6 AD8 AD12 PAR AD17 AD22 AD25 AD30 REQJ3 GNTJ3 MPD2 MPD0 MD61 MD29 MD62 PHLDAJ GNTJ2 TRDYJ B BEJ0 PHLDJAD2 AD5 AD7 AD11 CBEJ1 MPD1 MD63 MD28 AD16 AD21 AD24 AD29 REQJ2 MPD5 MD27 MD60 DEVSELJ GNTJ1 C BEJ3 BEJ2 BEJ1 AD4...

  • Page 70: M1531 Signal Descriptions

    2.2.1.3 Signal Descriptions Table 2-3 M1531 Signal Descriptions Signal Type Description Host Interface 3.3V/2.5V A[31:3] Host Address Bus Lines. A[31:3] have two functions. As inputs, along with the byte enable signals, these pins serve as the address lines of the host Group A address bus which define the physical area of memory or I/O being accessed.
  • Page 71 Table 2-3 M1531 Signal Descriptions Signal Type Description KENJ/INV Cache Enable Output. This signal is connected to the CPU's KENJ and INV pins. KENJ is used to notify the CPU whether the address of the current Group A transaction is cacheable. INV is used during L1 snoop cycles. The M1531 drives this signal high (low) during the EADSJ assertion of a PCI master write (read) snoop cycle.
  • Page 72 Table 2-3 M1531 Signal Descriptions Signal Type Description CLKEN[1]/ SDRAM Clock Enable Copy 1 or PCI Master Grant. This signal is used as GNTJ[4] SDRAM clock enable copy 1 to do self refresh during suspend. It can also be Group C used as grant signal of the fifth PCI master.
  • Page 73 Table 2-3 M1531 Signal Descriptions Signal Type Description DEVSELJ Device Select. When the target device has decoded the address as its own cycle, it will assert DEVSELJ. Group B IRDYJ Initiator Ready. This signal indicates the initiator is ready to complete the current data phase of transaction.

  • Page 74: M1531 Numerical Pin List

    Table 2-3 M1531 Signal Descriptions Signal Type Description Power Pins VCC_A Vcc 3.3V or 2.5V Power for Group A. This power is used for CPU interface and L2 control signals. If this power connects to 3.3V, the relative signals will output 3.3V and accept 3.3V input.
  • Page 75 Table 2-4 M1531 Numerical Pin List Name Type Name Type Name Type BEJ0 AD23 MD15 PHLDJ AD27 MD48 REQJ0 MD16 MPD7 MD49 MPD3 MD17 AD11 MD55 HD60 CBEJ1 MD23 HD61 DEVSELJ MD56 HD62 AD16 MD24 AD21 MD57 MIOJ AD24 AD29 HITMJ REQJ2 EADSJ...
  • Page 76 Table 2-4 M1531 Numerical Pin List Name Type Name Type Name Type HD53 HD40 TWEJ HD54 MAA0 HCLKIN MAA1 TIO8 TIO9 TIO10 RASJ1 VDD5S RASJ0 REQJ4 CASJ6 MD40 GNTJ4 HD16 HD17 MD41 MD34 HD18 HD19 MD42 HD31 HD20 HD46 HD32 HD47 HD33 HD48...
  • Page 77 Table 2-4 M1531 Numerical Pin List Name Type Name Type Name Type HD21 HD22 V137 AD20 TIO2 AD21 AD22 AD23 AD24 CASJ5 AD25 CASJ1 AD26 RASJ5 AD27 HD12 AD28 HD11 AD29 HD10 AD30 AD31 ADSJ AHOLD BEJ0 BEJ1 BEJ2 BEJ3 BEJ4 BEJ5 BEJ6...
  • Page 78 Table 2-4 M1531 Numerical Pin List Name Type Name Type Name Type CBEJ1 CBEJ2 CBEJ3 AD10 CCSJ TIO3 AD11 COEJ TIO5 AD12 TIO7 AD13 DEVSELJ AD14 EADSJ AD15 FRAMEJ MA11 AD16 AD17 AD18 AD19 HD11 HD61 HD12 HD62 HD13 HD63 HD14 HITMJ HD15...
  • Page 79 Table 2-4 M1531 Numerical Pin List Name Type Name Type Name Type HD37 HD38 HD39 HD40 HD41 HD42 GNTJ0 HD43 MD10 GNTJ1 HD44 MD11 GNTJ2 HD45 MD12 GNTJ3 HD46 MD13 GNTJ4 HD47 MD14 GWEJ HD48 MD15 HCLKIN HD49 MD16 HD50 MD17 HD51 MD18...

  • Page 80: M1533

    Table 2-4 M1531 Numerical Pin List Name Type Name Type Name Type MD43 RASJ1 VCC_C MD44 RASJ2 VCC_A MD45 RASJ3 VDD5 MD46 RASJ4 VDD5S MD47 RASJ5 MD48 RASJ6 MD49 RASJ7 MD50 REQJ0 MD51 REQJ1 MD52 REQJ2 MD53 REQJ3 MD54 REQJ4 MD55 RSTJ MD56...
  • Page 81 The chip provides two extra IRQ lines and one programmable chip select for motherboard Plug-and-Play functions. The interrupt lines can be routed to any of the available ISA interrupts. The on-chip IDE controller supports two separate IDE connectors for up to four IDE devices providing an interface for IDE hard disks and CD ROMs.
  • Page 82 Independent programmable level/edge triggered channels Counter/Timers 8254 compatible timers for System Timer, Refresh Request, Speaker Output Use Distributed DMA supported 7 DMA Channels can be arbitrarily programmed as distributed channel Serialized IRQ supported Quiet/Continuous mode Programmable (default 21) IRQ/DATA frames Programmable START frame pulse width Plug-and-Play port supported One programmable chip select...
  • Page 83 Hard disk Floppy Serial ports Parallel port Keyboard Six programmable I/O groups Three programmable memory spaces Provides hot plugging events detection CRT connector AC power Docking insert Eject Setup button Hot key press Multiple external wakeup events of Standby mode Power button Cover open Modem ring...
  • Page 84 L2 cache power down and PCI CLKRUN control logic supported 21 general purpose input signals, 24 general purpose output signals, 20 general purpose input/output signals 16 external expandable general purpose inputs, 16 external expandable general purpose outputs LCD control All registers readable/restorable for proper resume from Suspend state Built-in PCI IDE controller Supports Ultra 33 Synchronous DMA Mode transfers up to Mode 2 Timing (33 MB/sec) Supports PIO Modes up to Mode 5 timings, and Multiword DMA Mode 0, 1 ,2 with...

  • Page 85: M1533 Pin Diagram (Top View)

    2.2.2.2 Pin Diagram AD21 AD18 AD14 AD9 AD5 AD0 SIDED2 CBEJ2 STOPJ SIDED10 SIDED15 PIDED6 PIDED10 SIDED7 SIDEAKJ SIDECS3J PIDED3 AD22 AD19 AD16 AD15 AD10 AD6 AD1 PHLDJ SIDED5 SIDED12 SIDED0 PIDED11 PIDED13 PIDED2 PIDED14 DEVSELJ SIDEIRDY SIDECS1J PIDED9 C CBEJ3 AD23 AD20 AD17 CBEJ1AD11 AD7 AD2 TRDYJ PHLDAJ SIDED9 SIDED3 SIDED14 SIDEIORJ SIDEA2 PIDED5 PIDED4 PIDED1 PIDED15PIDED0...
  • Page 86 2.2.2.3 Numerical Pin List Table 2-5 M1533 Numerical Pin List Name Type Name Type Name Type SIDED9 USBCLK AD21 SIDED3 GPO8 AD18 SIDED14 AD31 CBEJ2 SIDEIORJ INTAJ STOPJ SIDEA2 INTBJ AD14 PIDED5 PIDED4 PIDED1 PIDED15 PIDEIOWJ SIDED7 PIDED0 PIDERDY SIDED10 AD26 SIDED2 AD25...
  • Page 87 Table 2-5 M1533 Numerical Pin List Name Type Name Type Name Type PIDED2 SMBDATA PIDED14 PCICLK SMBCLK CBEJ3 SIDED8 AD23 SIDED4 AD20 SIDED13 RSTDRV AD17 SIDEDRQ IOCHKJ TRDYJ SIDEA1 GPI1 CBEJ1 PIDED7 GPI0 AD11 PIDEAKJ PIDECS1J PIDECS3J PHLDAJ INTR IRQ6 HOTKEYJ IRQ4 GPO1...
  • Page 88 Table 2-5 M1533 Numerical Pin List Name Type Name Type Name Type KBDATA DREQ5 SD10 GPO19 SD12 GPO18 RTCDS GPO23 GPO22 GPO21 EJECT IRQ8J DREQ1 GPIO11 SUSTAT1J SA14 GPO6 PWRBTNJ DACKJ1 GPO5 GPIO13 SA15 GPO0 GPIO12 DREQ3 SYSCLK IOCHRDY VDD5 SA10 NOWSJ GPO17...
  • Page 89 Table 2-5 M1533 Numerical Pin List Name Type Name Type Name Type MEMRJ EXTSW DACKJ6 FRAMEJ SD11 AD10 SD14 AD11 SPLED AD12 AD13 AD14 SETUPJ AD15 GPI4 AD16 GPI7 AD17 GPI8 AD18 AD19 AD20 AD21 AD22 AD23 AD24 IO16J AD25 LA21 AD26 LA18...
  • Page 90 Table 2-5 M1533 Numerical Pin List Name Type Name Type GPO20/SLEEPJ GPO21/OFF_PWR0 GPO22/OFF_PWR1 GPO23/OFF_PWR2 GPI0/OVCRJ0 HOTKEYJ GPI1/OVCRJ1 IGNNEJ GPI2/SERIRQ INIT GPI3/PCIREQJ INTAJ GPI4/POSSTA INTBJ GPI5/VCSJ INTCJ GPI6/FPVEE INTDJ GPI7/SMBEVENTJ INTR GPI8 IO16J GPIO8 IOCHRDY GPIO9 IOCHKJ GPIO10 IORJ GPIO11 IOWJ GPIO12/BATSEL0 IRDYJ GPIO13/BATSEL1...

  • Page 91: M1533 Numerical Pin List

    Table 2-5 M1533 Numerical Pin List Name Type Name Type GPO13/IRQ1O LA22 GPO14/IRQ12O LA23 GPO15/IRQ0 GPO16APICCSJ GPO17/APICGNTJ LLBJ GPO18/BIOSA16 M16J GPO19/BIOSA17 MEMRJ Table 2-5 M1533 Numerical Pin List Name Type Name Type Name Type MEMWJ SIDED10 MSCLK/GPI11 SIDED11 MSDATA/IRQ12I I/O SIDED12 SIDED13 NOWSJ...
  • Page 92 Table 2-5 M1533 Numerical Pin List Name Type Name Type Name Type PIDED8 USBCLK PIDED9 USBP0+ PIDED10 SD10 USBP0- PIDED11 SD11 USBP1+ PIDED12 SD12 USBP1- PIDED13 SD13 PIDED14 SD14 PIDED15 SD15 PIDEAKJ SERRJ PIDEDRQ SETUPJ PIDEIORJ SIDEA0 PIDEIOWJ SIDEA1 PIDERDY SIDEA2 SIDECS1J PWRBTNJ...

  • Page 93: Fdc37C672

    FDC37C672 The FDC37C672 is a 100-pin enhanced super l/O controller with Fast IR. 2.3.1 Features 5 Volt Operation PC97 Compliant ISA Plug and Play Compatible Register Set Intelligent Auto Power Management Shadowed Write-only Registers for ACPI Compliance System Management Interrupt, Watchdog Timer 2.88MB Super l/O Floppy Disk Controller Licensed CMOS 765B Floppy Disk Controller Software and Register Compatible with SMC's Proprietary 82077AA Compatible Core...
  • Page 94 Four Open Drain Outputs Dedicated for Keyboard/Mouse Interface Asynchronous Access to Two Data Registers and One Status Register Supports Interrupt and Polling Access 8it Counter Timer Port 92 Support 8042 P12 and P16 Outputs Serial Ports Two Full Function Serial Ports High Speed NS16C550 Compatible UARTs with Send/Receive 16yte FlFOs Supports 230k and 460k Baud Programmable Baud Rate Generator Modem Control Circuitry...

  • Page 95: General Description

    2.3.2 General Description The FDC37C67x with Consumer IR and IrDA v 1.1 support incorporates a keyboard interface, SMC's true CMOS 765B floppy disk controller, advanced digital data separator, two 16C550 compatible UARTs, one Multi-Mode parallel port which includes ChiProtect circuitry plus EPP and ECP, on-chip 24 mA AT bus drivers, two floppy direct drive support, Intelligent power management and SMI support.

  • Page 96: Pin Configuration

    2.3.3 Pin Configuration Figure 2-4 FDC37C67 (TQFP) Pin Diagram 2-50 Service Guide...

  • Page 97: Fdc37C67 (Qfp) Pin Diagram

    Figure 2-5 FDC37C67 (QFP) Pin Diagram Major Chips Description 2-51...

  • Page 98: Pin Descriptions

    2.3.4 Pin Descriptions Table 2-6 FDC37C67 Pin Descriptions Pin No./QFP Pin Name Type Symbol Buffer Type Processor / Host Interface (34) E37:40, 42:45 System Data Bus SD[0:7] IO24 20:30 11-bit System Address Bus SA[0:10] Chip select/SA11 (Note 1) nCS/SA11 Address Enable I/O Channel Ready IOCHRDY OD24...
  • Page 99 Table 2-6 FDC37C67 Pin Descriptions Pin No./QFP Pin Name Type Symbol Buffer Type Maor On D nMTR0 O224/OD24 Motor On 1 nMTR1 O224/OD24 Write Protected nWRTPRT Track O nTRKO Index Pulse Input nINDEX Drive Density Select O DRVDENO O224/OD24 Drive Density Select 1 /IR Mode DRVDEN1/IR O224/OD24/O24/I Select/lRRX3...
  • Page 100 Table 2-6 FDC37C67 Pin Descriptions Pin No./QFP Pin Name Type Symbol Buffer Type Paper End Printer Selected SLCT Error at Printer nERROR Keyboard/Mouse Interface (6) Keyboard Data . KDAT IOD16P Keyboard Clock KCLK IOD16P Mouse Data MDAT IOD16P Mouse Clock MCLK IOD16P Keyboard Reset...

  • Page 101: Description Of Multifunction Pins

    2.3.5 Description of Multifunction Pins Table 2-7 FDC37C67 Multifunction Pin Descriptions Pin No./QFP Original Function Alternate Function 1 Alternate Function 2 Default DRVDEN1 IR MODE IRRX3 DRVDEN1 Controlled by IRMODSEL(LD8:CRC0.0) and IRRX3SEL(LD8:CRC0.4) PCICLK IRQ4 PCICLK SERIRQ IRQ3 SERIRQ Controlled by SERIRQSEL(LD8:CRCO.2) nDACK3 8042 P16 nDACK3...

  • Page 102: Block Diagram

    2.3.6 Block Diagram Figure 2-6 FDC37C67 Block Diagram 2-56 Service Guide...

  • Page 103: Features

    65555 2.4.1 Features Highly integrated design Flat Panel and CRT GUI Accelerator & Multimedia Engine, Palette/DAC, and Clock Synthesizer Hardware Windows Acceleration 64-bit Graphics Engine System-to-Screen and Screen-to-Screen BitBLT 3-Operand Raster-Ops 8/16/24 Color Expansion Transparent BLT Optimized for Windows BitBLT format PCI Bus with Burst Mode capability and BIOS ROM support Flexible Memory Configurations 64-Bit memory interface for EDO...
  • Page 104 Display centering and stretching features for optimal fit of V(iA graphics and text on 800x600 and 1024x768 panels Simultaneous Hardware Cursor and Pop-up Window 64x64 pixels by 4 colors 128x128 pixels by 2 colors Game Acceleration Source Transparent BLT Destination Transparent BLT Double buffer support for YUV and 15/16bpp Overlay Engine Instant Full Screen Page Flip Read back of CRT Scan line counters...

  • Page 105: Software Support Features

    2.4.2 Software Support Features Drivers Features High Performance Accelerated drivers Compatible across HiQVideo family Auto Panning Support LCD/CRT/Simultaneous Mode Support Auto Resolution Change HW Stretching/Scaling Double Buffering Internationalization ChipsCPL (Control Panel Applet) DirectDraw support Games SDK support Dynamic Resolution Switching VGA Graphics applications in Windows VESA DDC extensions VESA DPMS extensions...
  • Page 106 Software Support Dedicated Software Applications Engineer BBS Support for Software Updates BIOS Features VGA Compatible BIOS PCI Bus Support PnP Support VESA VBE 2.0 (incl. DPMS) DDC 1, DDC 2AB Text and Graphics Expansion Auto Centering 44 (40) K BIOS CRT, LCD, Simultaneous display modes Auto Resolution Switch Multiple Refresh Rates...

  • Page 107: Introduction / Overview

    Panel Tables Voltage Switching Int 15 Hooks Monitor Sensing 2.4.3 Introduction / Overview The HiQVideo family of high performance multimedia flat panel/CRT GUI accelerators extend CHIPS' offering of high performance flat panel controllers for full-featured notebooks and sub-- notebooks. The HiQVideo family offers 64-bit high performance and new hardware multimedia support features.
  • Page 108 The display system can independently place either RGB or YUV data from anywhere in display memory into an on-screen window which can be any size and located at any pixel boundary (YW data is converted to RGB "on-the-fly" on output). Non-rectangular windows are supported via color keying.

  • Page 109: Pin Descriptions

    The 64-bit wide memory configurations have double the memory bandwidth of the 32-bit wide configurations. The figure below shows the display memory configurations using and external STN-DD buffer: Some of the 32-bit configurations allow an additional 256K x 16 device to be used for an external 16-bit wide STN-DD buffer, as shown above.

  • Page 110: 65555 Bga Ball Assignments (Top View)

    Display Memory Interface Flat Panel Display Interface CRT Interface Power / Ground and Standby Control Video Interface; Miscellaneous Pin name in parentheses(... ) indicate alternate functions 2.4.4.2 Top View: BGA Ball Assignments Figure 2-7 65555 BGA Ball Assignments (Top View) 2-64 Service Guide...

  • Page 111: 65555 Bga Ball Assignments (Bottom View)

    2.4.4.3 Bottom View: BGA Ball Assignments Figure 2-8 65555 BGA Ball Assignments (Bottom View) Major Chips Description 2-65...
  • Page 112 2.4.4.4 Pin Functions Table 2-8 65555 Pin Functions Ball Pin Name Type Active Description PCI Bus Interface RST# Reset. This input sets all signals and registers in the chip to a known slate. All outputs from the chip are tri-stated or driven to an inactive state. This pin is ignored during Standby mode (STNDBY# pin low).
  • Page 113 Table 2-8 65555 Pin Functions Ball Pin Name Type Active Description DEVSEL# S/TS Device Select. Indicates the current target has decoded its address as the target of the current access PERR# S/TS Parity Error. This signal reports data parity errors (except for Special Cycles where SERR# is used).

  • Page 114: 65555 Pin Functions

    Table 2-8 65555 Pin Functions Ball Pin Name Type Active Description High PCI Address/Data Bus High Address and data are multiplexed on the same High pins. A bus transaction consists of an address High phase followed by one or more data phases (both High read and write bursts are allowed by the bus High...
  • Page 115 Table 2-8 65555 Pin Functions Ball Pin Name Type Active Description Display Memory Interface (CFG0) Both DRAM address bus for Bank 0 and Bank (CFG1) Both (CFG2) Both AA0 through AA9 also serve as configuration bits (CFG3) Both CFG0 through CFG9. Please see the (CFG4) Both descriptions for registers XR70 and XR71 for...
  • Page 116 Table 2-8 65555 Pin Functions Ball Pin Name Type Active Description High DRAM data bits 32-47. High High High High High High High High MC11 High MC12 High MC13 High MC14 High MC15 High High DRAM data bits 48-63. High MD11-12 are also ROM addresses 16-17.
  • Page 117 Table 2-8 65555 Pin Functions Ball Pin Name Type Active Description Flat Panel Display Interface High Flat panel data bus of up to 36-bits High High High High High High High High High High High High High High High High High High High...
  • Page 118 Table 2-8 65555 Pin Functions Ball Pin Name Type Active Description Note: All signals listed above are powered by DVCC and GND. 2-72 Service Guide...
  • Page 119 Notes for table below To accommodate a wide variety of panel types, the graphics controller has been designed to output its data in any of a number of formats. These formats include different data widths for the colors belonging to each pixel, and the ability to accommodate different pixel data transfer timing requirements. For STN-DD panels, pins PO through P35 are organized into groups corresponding to the upper and lower parts of the panel.
  • Page 120 Table 2-8 65555 Pin Functions (continued) Ball Pin Name Type Active Description CRT Interface HYSNC(CSYNC) Both CRT Horizontal Sync (polarity is programmable) or "Composite Sync" for support of various external NTSC/PAL encoder chips VSYNC Both CRT Vertical Sync (polarity is programmable) Analog CRT analog video outputs from the internal color GREEN...
  • Page 121 Table 2-8 65555 Pin Functions (continued) Ball Pin Name Type Active Description U14, J9-12 K9-12 L9-12 M9-12 RGND Internal reference GND, should be tied to GND H4,N4 BVCC Power (Bus Interface), 3.3V DVCC Power (Flat Panel Interface), 3.3V MVCC Power (Memory Interface), 3.3V. VVCC Power (Video Interface), 3.3V.
  • Page 122 Table 2-8 65555 Pin Functions (continued) Ball Pin Name Type Active Description TD1(MCLKIN) High Test data input for boundary scan. Can be configured to be used as an input for an externally provided MCLK through a strapping option and register programming. See the descriptions for registers XR70 and XRCF for complete details High Test data out for boundary scan.

  • Page 123: Overview

    M38813 2.5.1 Overview The M38813M4-XXXHP is an 8-bit single-chip microcomputer created in a silicon gate CMOS process. Built into this single-chip microcomputer are: Serial l/O function (either clock synchronous or UART method selectable in software) 8-bit timers 8-bit Comparator Double Bus interface The M38813M4-XXXHP is designed as a dedicated microcomputer for Keyboard controller.

  • Page 124: Pin Configuration

    Table 2-9 M38813M4-XXXHP Functions Parameter Function Output current 10mA (15mA for P2 Operating temperature range -20 to 85 C Device structure CMOS silicon gate Package M38813M4-XXXHP 64-pin plastic molded QFP (0.5mm- lead pitch) 2.5.3 Pin Configuration The Pin configuration of the M38813M4-XXXHP is shown in below. Figure 2-9 M38813 Pin Diagram 2-78...

  • Page 125: Pin Descriptions

    2.5.4 Pin Descriptions The pin functions are listed in the table below. Table 2-10 M38813M4-XXXHP Pin Description Name Function Vcc, Vss Power supply Power supply inputs 2.7 to 5.5V to Vcc, and 0V to Vss. CNVss CNVss Controls the operating mode of the chip. Normally connected to Vss or Vcc. RESET Reset input To enter the reset state, this pin must be kept "L"...

  • Page 126: M38813 Block Diagram

    Functional Block Diagram 2.5.4.1 Figure 2-10 M38813 Block Diagram 2-80 Service Guide...

  • Page 127: Ymf715B-S

    YMF715B-S YMF715-S (OPL3-SA3) is a single audio chip that integrates OPL3 and its DAC, 16 bit Sigma-delta CODEC, MPU401 MIDI interface, joystick with timer, and a 3D enhanced controller including all the analog components which is suitable for multi-media application. This LSI is fully compliant with Plug and Play ISA 1.0a, and supports all the necessary features, i.e.

  • Page 128: Pin Diagram

    2.6.2 Pin Diagram Figure 2-11 YMF715 Block Diagram 2-82 Service Guide...

  • Page 129: Pin Descriptions

    2.6.3 Pin Descriptions Table 2-11 YMF715 Descriptions Pin name Pins Type Size Function ISA bus interface: 36 pins D7-0 24mA Data Bus Al 1-0 Address Bus Address Bus Enable /IOW Schmitt Write Enable /IOR Schmitt Read Enable RESET Schmitt Reset IRQ3,5,7,9,10,11 12mA Interrupt request...

  • Page 130: Ymf715 Descriptions

    Table 2-11 YMF715 Descriptions Pin name Pins Type Size Function MP9-0 I+/O Refer to “multi-purpose pins” section Others: 27 pins GPO - GP3 Game Port GP4- GP7 Schmitt Game Port Schmitt 2rnA MIDI Data Receive MIDI Data Transfer /VOLUP Schmitt Hardware Volume (Up) /VOLDW Schmitt...
  • Page 131 When Silent Boot (described later in this chapter) is disabled, a message displays telling you when you can press F2 to run the Setup Utility. BIOS V3.0 ------------------------------------------------------------------------------------------------------ 016384 KB Memory Good Enter Setup, Press F2 Key ------------------------------------------------------------------------------------------------------ ACR58000-M12-970324-R01-A0-EN Copyright Acer Incorporated 1990-1997. All Rights Reserved BIOS Setup Information...
  • Page 132 Pressing F2 brings up the main screen of the Setup Utility. SETUP Utility Basic System Settings Startup Configuration Onboard Devices Configuration System Security Power Management Load Default Settings =Move Highlight Bar, =Select, Esc=Exit Press the cursor keys ( ) to move the highlight bar, then press Enter to make a menu selection.

  • Page 133: Basic System Settings

    Basic System Settings The Basic System Settings screen contains parameter items involving basic computer settings. Basic System Settings Date ------------------------------------ [Fri Feb 14, 1997] Time ----------------------------------- [10:00:00] Floppy Disk A ---------------------- [1.44 MB 3.5-inch] Floppy Disk B ---------------------- [ None Cylinders Heads Sectors Size(MB) Hard Disk ---------------------------- [Auto] 2100...

  • Page 134: Startup Configuration

    Startup Configuration The Startup Configuration screen contains parameter items that are set-up when the computer starts up. Startup Configuration Boot Display ---------------------------- [Auto] Memory Test --------------------------- [Enabled] Silent Boot ------------------------------ [Enabled] System Boot Drive -------------------- [Drive A Then C] Boot from CD-ROM ------------------- [Enabled] Operating System --------------------- [Windows 95/DOS] USB Function Support -------------- [Disabled] =Move Highlight Bar,...
  • Page 135 Table 3-2 Startup Configuration Parameters Parameter Description Setting Operating System Selects the operating system the computer is running. Windows 95/DOS Windows NT Set this parameter to the appropriate OS to get maximum performance. USB Function Support Selects support for USB (Universal Serial Bus). Enable this Disabled parameter if you are connecting USB device(s) to the Enabled...

  • Page 136: Onboard Devices Configuration

    Onboard Devices Configuration The Onboard Devices Configuration screen contains parameter items that are related to port devices on your computer. Onboard Devices Configuration Serial Port ----------------------------- [Enabled] Base Address ---------------------- [3F8h] IRQ ------------------------------------ [4] IrDA FIR -------------------------------- [Enabled] Base Address ---------------------- [2F8h] IRQ ------------------------------------ [3] DMA ----------------------------------- [3] Internal Modem ---------------------- [Enabled]...
  • Page 137 Table 3-3 Onboard Devices Configuration Parameters Parameter Description Setting Sets the DMA (direct memory access) channel of the infrared port Internal Modem Enables or disables the internal modem Enabled Disabled Base Address Sets the I/O base address of the internal modem 3E8h 3F8h 2F8h...

  • Page 138: System Security

    System Security The System Security screen contains parameter items that help safeguard and protect your computer from unauthorized use. System Security Disk Drive Control Diskette Drive ---------------------- [Normal] Hard Disk Drive -------------------- [Normal] Setup Password --------------------- [ None ] Power On Password ---------------- [ None ] =Move Highlight Bar, =Change Setting, Esc=Exit Press...

  • Page 139: Power Management Settings

    Power Management Settings The Power Management Settings screen contains parameter items related to power-saving and power management. Power Management Settings Heuristic Power Management Mode --------- [Enabled] Display Always On --------------------------------- [Disabled] System Sleep State -------------------------------- [Hibernation] System Resume Timer Mode ------------------ [Disabled] System Resume Date ------------------------------- [--/--/----] System Resume Time ------------------------------ [--/--/--] Modem Ring Resume On Indicator ---------- [Enabled]...
  • Page 140 Table 3-5 Power Management Settings Parameters Parameter Description Setting or Format Modem Ring Resume When enabled, and an incoming modem ring is Enabled On Indicator detected, the computer wakes up from standby mode. Disabled When the computer is off or in hibernation mode, the computer will not resume on a modem ring.

  • Page 141: Load Default Settings

    Load Default Settings When you select the Load Default Settings item from the main screen, a dialog box appears asking you to confirm that you want to reset all settings to their factory defaults. Load Setup Default Settings Are you sure? [Yes] [No] Choose Yes to confirm or No if otherwise.

  • Page 142: Chapter 4 Disassembly And Unit Replacement

    C h a p t e r C h a p t e r Disassembly and Unit Replacement This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting. To disassemble the computer, you need the following tools: Wrist grounding strap and conductive mat for preventing electrostatic discharge Flat-bladed screwdriver Phillips screwdriver...

  • Page 143: Removing The Battery Pack

    Figure 4-1 Removing the Battery Pack Removing all power sources from the system prevents accidental short circuit during the disassembly process. Service Guide...

  • Page 144: Connector Types

    4.1.2 Connector Types There are two kinds of connectors on the main board: Connectors with no locks Unplug the cable by simply pulling out the cable from the connector. Connectors with locks You can use a plastic stick to lock and unlock connectors with locks. The cables used here are special FPC (flexible printed-circuit) cables, which are more delicate than normal plastic-enclosed cables.

  • Page 145: Disassembly Sequence

    4.1.3 Disassembly Sequence The disassembly procedure described in this manual is divided into four major sections: Section 4.2: Installing memory Section 4.3: Removing the modem board Section 4.4: Removing the hard disk drive Section 4.5: Removing the keyboard Section 4.6: Disassembling the inside frame assembly Section 4.7: Disassembling the display...

  • Page 146: Disassembly Sequence Flowchart

    Open Remove Open Remove HDD Cover Dimm Door Battery Door Display Hinge Unplug K/B conector Modem DIMM Battery Module Remove Remove LED Cover Remove Unplug LED Cover Inverter Cable Display Remove Module Heat Sink Display Release Unplug Lower Bazel Latches Cables Heat Sink Case...

  • Page 147: Installing Memory

    Installing Memory Follow these steps to insert memory modules: Turn off the computer. Then turn the computer over to access its base. Remove three screws from the memory door; then lift up and remove the memory door. Figure 4-4 Removing the Memory Door Remove the memory modules from its shipping container.

  • Page 148: Installing And Removing Memory

    Figure 4-5 Installing and Removing Memory Replace the memory door and secure it with the screws. Sleep Manager must be run after installing additional memory for the computer to hibernate properly. If Sleep Manager is active, it will automatically adjust the hibernation file on your notebook. If you are using an operating system other than Windows 95 or DOS, you may need to re-partition your hard disk drive to allow for the additional memory.

  • Page 149: Removing The Modem Board

    Removing the Modem Board When you open the memory door, you can also access and replace the modem board. See figure below. Figure 4-6 Removing the Modem Board Service Guide...

  • Page 150: Removing The Hard Disk Drive

    Removing the Hard Disk Drive Follow these steps to remove the hard disk drive: Turn the computer over and locate the hard disk drive bay cover. Press the hard disk drive bay cover release and slide the cover out to remove it. Set aside the cover.

  • Page 151: Removing The Keyboard

    Removing the Keyboard Follow these steps to remove the keyboard: Slide out the two display hinge covers on both sides of the notebook. Figure 4-8 Removing the Display Hinge Covers Using a pointed instrument, unlock the keyboard locks. Then pull out and flip down the keyboard to expose the keyboard connectors.

  • Page 152: Unplugging The Keyboard Connectors

    Unplug the keyboard connectors (CN3 and CN5) from the keyboard/touchpad board. Set aside the keyboard. Figure 4-10 Unplugging the Keyboard Connectors Disassembly and Unit Replacement 4-11...

  • Page 153: Disassembling The Inside Frame Assembly

    Disassembling the Inside Frame Assembly This section discusses how to disassemble the housing, and during its course, includes removing and replacing of certain major components like the internal drive (CD-ROM or floppy), CPU and the main board. Follow these steps: 4.6.1 Removing the Heat Sink Assembly Follow these steps to remove the heat sink assembly:...

  • Page 154: Removing The Display

    4.6.2 Removing the Display Follow these steps to remove the display: Remove two screws on the bottom and two screws on the rear of the unit. Figure 4-13 Unplugging the Display Cable Open the display and remove two screws; then pull up the display cable (CN9) and unplug the inverter cable (CN8).

  • Page 155: Removing The Internal Drive

    Detach the display from the main unit and set aside. Figure 4-15 Removing the Display Hinge Screws 4.6.3 Removing the Internal Drive Follow these steps to remove the internal drive: Pull up the FDD/CD module latches. Unplug the two internal drive cables (CN17 for FDD; CN17 and CN20 for CD-ROM). Pull out the internal drive and set it aside.

  • Page 156: Replacing The Cpu

    Figure 4-16 Removing the Internal Drive 4.6.4 Replacing the CPU Gently pull out the CPU heat sink and the CPU board (CN21) from the mainboard. Figure 4-17 Replacing the CPU Reverse the steps above to insert a replacement CPU. Disassembly and Unit Replacement 4-15...

  • Page 157: Detaching The Top Cover

    4.6.5 Detaching the Top Cover Follow these steps to detach the top cover from the bottom cover: Unplug the touchpad cable (CN6) from the keyboard/touchpad board, and the audio board cable (CN14), speaker cables (CN13 and CN15) and optionally, the fan connector found just above the speaker cables (CN12) from the mainboard.

  • Page 158: Removing The Mainboard

    4.6.6 Removing the Mainboard Follow these steps to remove the mainboard: Remove the screws found on the lower case (ten total screws, two screws shorter than the rest found on the front corners of the computer). Figure 4-20 Removing the Bottom Screws Remove the keyboard/touchpad board (CN18).

  • Page 159: Removing The Dc-Dc Converter Board

    Gently remove the DC-DC converter board (CN7). Figure 4-22 Removing the DC-DC Converter Board Unplug the battery charger connector (CN22) and remove four screws that secure the motherboard to the base assembly. Then pull up to remove the mainboard. Figure 4-23 Removing the Mainboard 4-18 Service Guide...

  • Page 160: Disassembling The Mainboard

    4.6.7 Disassembling the Mainboard Follow these steps to disassemble the mainboard: REMOVING THE CHARGER BOARD Unplug the charger board (containing the power switch, DC-in jack and PS/2 port). Figure 4-24 Removing the Charger Board REMOVING THE PCMCIA SOCKETS The PC Card Connector Module is normally part of the motherboard spare part. The following removal procedure is for reference only.

  • Page 161: Disassembling The Top Cover

    4.6.8 Disassembling the Top Cover The touchpad, speakers, audio board are connected to the top cover. The sections below describe the removal process of these components. REMOVING THE HARD DISK DRIVE HEAT SINK Pull up to remove the hard disk drive heat sink from the top cover. Figure 4-26 Removing the Hard Disk Drive Heat Sink REMOVING THE AUDIO BOARD...

  • Page 162: Removing The Touchpad And Speakers

    REMOVING THE TOUCHPAD Remove four screws and lift up the metal plate and touchpad buttons. Unplug the touchpad cable (J1) and remove the touchpad main sensor and connector unit. REMOVING THE SPEAKERS Unlock the speaker by pushing outward on its locks. The flip up the wire that holds the speaker in place and remove the speaker.

  • Page 163: Disassembling The Display

    Disassembling the Display Follow these steps to disassemble the display: Remove the two oval LCD bumpers at the top of the display; use a pointed instrument to remove the two mylar stickers on the bottom of the display. Figure 4-29 Removing the LCD Bumpers Remove four screws on the display bezel.

  • Page 164: Removing The Display Bezel

    Pull out and remove the display bezel by first pulling on the inside of the bezel sides and lower bezel area. Then pull up the top bezel area. Figure 4-31 Removing the Display Bezel Unplug two connectors and remove the inverter board. Figure 4-32 Removing the Inverter Board Disassembly and Unit Replacement...

  • Page 165: Removing The Lcd Panel

    Remove three screws on the four sides of the display panel (one screw holds and grounds the LCD cable). Then tilt the LCD Panel away for the display cover. Figure 4-33 Removing the LCD Panel 4-24 Service Guide...

  • Page 166: Model Number Definition

    A p p e n d i x A p p e n d i x Model Number Definition This appendix shows the model number definition of the notebook. 390XX - X X X X Brand T: TI Keyboard Language Versions: 0: Swiss/US G: German 1: US(110V)

  • Page 167: Exploded View Diagram List

    A p p e n d i x A p p e n d i x Exploded View Diagram This appendix includes exploded view diagrams of the notebook. Table B-1 Exploded View Diagram List Description System assembly CD-ROM Drive assembly LCD Module assembly Upper Case assembly Lower Case assembly...

  • Page 174: Spare Parts List

    Spare Parts List This appendix lists the spare parts of the notebook computer. Table C-1 Spare Parts List Category Ref. No. of Description Acer Part No. Comment/Location Min. Exploded Diagram LCD Module INVERTER BD 19.21030.111...
  • Page 175 Table C-1 Spare Parts List Category Ref. No. of Description Acer Part No. Comment/Location Min. Exploded Diagram Lower Case D-10 ~ PCMCIA DOOR PACK 390 6M.43A07.001 INCLUDING THE D-13 FOLLOWING PARTS D-10 34.43A12.001 SPRING PCM DOOR UPPER SUS 390 * 4PCS D-11 34.46928.001 SPRING...
  • Page 176 91.46905.012 CD-ROM BZL CD-ROM(TOOLING) 390 41.43A04.001 CD-ROM BEZEL C.A 70P FPC 60MM CD-ROM 390 50.43A06.001 CABLE FOR CD-ROM CD DRV MATSUS/UJDA112 14X ACER 56.10013.271 CD DRV PANAS/UJDA110 14X 56.10016.211 PANASONIC CD-ROM SYS UTIL NB060 PACK 390 90.43A39.001 Spare Parts List...
  • Page 177 Table C-1 Spare Parts List Category Ref. No. of Description Acer Part No. Comment/Location Min. Exploded Diagram INTERNAL CD-ROM DRIVE KIT 390 91.43A28.003 Touchpad PLT FOR COVER SW(TOOL) 390 31.43A05.001 IN BRACKET BRACKET T/P SUS N/A 390 33.43A05.001 KNOB TOUCH PAD (TOOLING) 390 42.43A10.001...

  • Page 178: Schematics List

    A p p e n d p e n d i x Schematics This appendix shows the schematic diagrams of the notebook. Table D-1 Schematics List Description CPU Connector M1531 M1533 ISA Pull High and Pull Low Cache RAM and TAG RAM DIMM Socket 1 DIMM Socket 2 CY2272 Clock Generator...
  • Page 179 SRP10K |IDE.SCH HDD&CD_ROM&INTERNAL FDD CONN |FINGER.SCH GOLD FINGER & MODEM MODULE |POWER.SCH CHARGER & DC-DC & BAT CONN |DOCK.SCH PORT REPLICATOR ACER TAIPEI TAIWAN R.O.C CPU CONN Title 390 ACERNOTE LIGHT Size Document Number 96183 Date: August 5, 1997 Sheet...
  • Page 180 RP51 SRN0 1 2 3 4 $TAG[0..7] $CPUADS# $EADS# $SCAS#1 $BOFF# $SRAS#1 $CPUA[3..31] $NA# $BRDY# $AHOLD $TWE# TP-1 ACER TAIPEI TAIWAN R.O.C $KEN# $BWE# CACHE $CACHE# $GWE# M1531 $M/IO# $COE# Title $D/C# $CCS# $W/R# $CADS# 390 ACERNOTE LIGHT TO CPU...
  • Page 181 SIDECS3# SIDECS1# RP24 PWR_SW# SIDE_DACK# 10KR3 CX12 CX13 SRN10K SIDIOR# $USBP00 4,16,23 +3.3V SCD1U SC1KP SIDIOW# ACER TAIPEI TAIWAN R.O.C 10KR3 R132 1 2 3 4 SID[0..15] M1533 IO_VOLTAGE SIDA[0..2] $USBCLK Title 33KR3 R138 33R3 390 ACERNOTE LIGHT CHKPW 4,16,23...
  • Page 182 R222 R109 10KR3 10KR3 TV_EN 3,10 ID_DATA C142 SCD1U 10KR3 15KR3 ACER TAIPEI TAIWAN R.O.C ISA PULL HIGH & PULL LOW INTEL CPU SPKR SPKR Title ID_CLK CLOSE TO PIN [F6] 390 ACERNOTE LIGHT 15KR3 INT. SD DISABLE INT. KBC DISABLE...
  • Page 183 $CPUA17 $CPUA13 CS1* 20 $CPUA14 OE* 22 $CPUA16 WE* 27 $TWE# $CPUA15 GND 14 AVAILABLE TTL GATE S32K8-15 ACER TAIPEI TAIWAN R.O.C CACHE RAM & TAG RAM Title 390 ACERNOTE LIGHT Size Document Number 96183 Date: August 21, 1997 Sheet...
  • Page 184 SDRAM_A13 10R3 $MD56 $DIM2_MD24 $MD57 $DIM2_MD25 $MD58 $DIM2_MD26 $MD59 $DIM2_MD27 $MD28 $MD60 $MD29 $MD61 $MD30 $MD62 $MD31 $MD63 $SMBDATA_DIM1 $SMBCLK_DIM1 SDIMM144 ACER TAIPEI TAIWAN R.O.C DIMM SOCKET-1 Title 390 ACERNOTE LIGHT Size Document Number 96183 Date: August 4, 1997 Sheet...
  • Page 185 $DIM2_MD25 $MD26 $MD58 $DIM2_MD26 $MD27 $MD59 $DIM2_MD27 SSAHCT125 SRN33 $MD28 $MD60 100KR3 $MD29 $MD61 $MD30 $MD62 $MD31 $MD63 $SMBDATA_DIM2 $SMBCLK_DIM2 SDIMM144 ACER TAIPEI TAIWAN R.O.C DIMM SOCKET-2 Title 390 ACERNOTE LIGHT Size Document Number 96183 Date: August 7, 1997 Sheet...
  • Page 186 1 4 1 3 RX39 U37A SEL1 1,13 CLK_SEL1 CLK_SEL1 CLK_SEL0 FREQ. R124 CLK7M 60.0MHZ SSLVT125 33R3 66.6MHZ KBD14M RX32 DUMMY-C3 SSHCT74 ACER TAIPEI TAIWAN R.O.C CY2272 CLOCK GENERATOR Title 390 ACERNOTE LIGHT Size Document Number 96183 Date: August 7, 1997 Sheet...
  • Page 187 CX19 $VAA2 $VAA5 ST47U10VDM SCD1U SC1KP $VAA3 $VAA4 FB-1 CX20 65555-1 S256K16-50 SC1KP S_GND ACER TAIPEI TAIWAN R.O.C VGA CONTROLLER CHIP 65555 & VRAM $P[0..23] CRT_GND Title 390 ACERNOTE LIGHT Size Document Number $ZV_UV[0..7] 96183 Date: August 7, 1997 Sheet...
  • Page 188 SC33P SC33P SCD1U CONTRAST VCC 5 R213 RX42 $DOTCLK $SHFCLK 33R3 33R3 BK1608LL121 NC7SZ125 RZ10 100R3 C258 SC39P 5K1R3D ACER TAIPEI TAIWAN R.O.C CRT & LCD CONN Title 390 ACERNOTE LIGHT Size Document Number 96183 Date: August 21, 1997 Sheet...
  • Page 189 IRQ4 3,4,21 $PERR# IRQ3 3,4,21 $REQ#3 $INTD# $PCIRST# $INTC# $SERR# $LOCK# R129 2,3,9 $STOP# ACER TAIPEI TAIWAN R.O.C 2,3,9 $TRDY# $CLKRUN# $RI_OUT# PCMCIA CONTROLLER CHIP PCI 1250 DUMMY-R3 SPKR_OUT R301 Title +3.3V 10KR3 390 ACERNOTE LIGHT Size Document Number 96183...
  • Page 190 SRP10K SRP10K +3.3V ACCD2# RP14 CARD_IN# ACCD1# BCCD2# ACCD2# BCCD1# A_VS1 BCCD2# SSHCT08 A_VS2 B_VS1 ACER TAIPEI TAIWAN R.O.C B_VS2 PCMCIA SOCKET & POWER CONTROLLER TPS2206 SRP10K Title 390 ACERNOTE LIGHT Size Document Number 96183 Date: August 7, 1997 Sheet...
  • Page 191 KCOL5 KCOL8 KCOL7 KCOL10 KCOL9 KCOL12 KCOL11 KCOL14 KCOL13 KCOL16 KCOL15 MOLEX-CONN32B Touch Pad & Internal Keyboard ACER TAIPEI TAIWAN R.O.C M38813 & LED & CHARGER SMBUS Title 390 ACERNOTE LIGHT Size Document Number 96183 Date: August 4, 1997 Sheet...
  • Page 192 R5IN 8 R5OUT PDCD1# 15,23 FORCEON FORCEOFF# GND 25 100KR3 INVALID# 10KR3 MAX3243 10KR3 10KR3 10KR3 ACER TAIPEI TAIWAN R.O.C SUPER I/O SMC672 & RS232 MAX3243 10KR3 Title 390 ACERNOTE LIGHT Size Document Number 96183 Date: August 12, 1997 Sheet...

  • Page 193: Serial Port Com1

    1 4 1 OUT 7 OUT 6 FDD/PRT# FDD5VON# OUT 5 R205 100KR3 TPS2013D 100KR3 C222 SSHCT14 SSABT125 SCD1U C223 ST10U16VBM ACER TAIPEI TAIWAN R.O.C PARALLEL & SERIAL PORT Title 390 ACERNOTE LIGHT Size Document Number 96183 Date: August 5, 1997 Sheet...
  • Page 194 BUZZER-3 SPKR C269 SPKR SMPSA13 SC22P SCD1U 47KR3 S1N4148 RZ11 1KR3 U32F C275 SPKR_OUT SCD1U SSHCT14 ACER TAIPEI TAIWAN R.O.C USB & FIR & BUZZER & FAN Title 390 ACERNOTE LIGHT Size Document Number 96183 Date: August 7, 1997 Sheet...
  • Page 195 SC1U10V5KX SCD1U MK1422 X24I R230 GAP-CLOSE CX27 33R3 220KR3 VREFI CX25 SCD1U C294 CX26 SC27P SC10P SC27P C284 SCD1U ST10U16VBM ACER TAIPEI TAIWAN R.O.C AUDIO CHIP YMF715 Title 390 ACERNOTE LIGHT Size Document Number 96183 Date: August 12, 1997 Sheet...
  • Page 196 20KR3 SC3300P50V3KX C271 ACAUDIO 20KR3 SCD1U 10KR3 10KR3 C260 RDATA_RACE RDATA_RACE ZVA_ON 2N7002 SC330P R120 100KR3 ACER TAIPEI TAIWAN R.O.C OP AMP LM4863 & DATARACE & JACK Title 390 ACERNOTE LIGHT Size Document Number 96183 Date: August 15, 1997 Sheet...
  • Page 197 ROMKBCS# A17/N.C 30 MEMR# S128K8-150 C311 SCD1U S2N3906 SSKT32 BIOSA17 R243 +12V 10KR3 PLCC ROM SOCKET 3 FLASH_ON RN1424 ACER TAIPEI TAIWAN R.O.C RTC & BIOS ROM Title 390 ACERNOTE LIGHT Size Document Number 96183 Date: August 21, 1997 Sheet...
  • Page 198 PIDEIOR# PIDIOR# R266 1KR3 47R3 WRTPRT# R292 1KR3 R275 PIDEIOW# RDATA# PIDIOW# 47R3 1KR3 ACER TAIPEI TAIWAN R.O.C IDE CONN THESE RESISTORS MUST BE CLOSED FDD CONN. Title 390 ACERNOTE LIGHT Size Document Number 96183 Date: August 5, 1997 Sheet...
  • Page 199 16BIT_AEN IOW# BLM31A601S MODEM14M IOR# IO16# IOCHRDY RJ11_GND MODEM_EN# MODEM_RI RSTDRV +12V RING_MODEM MODEM_MIC MODEM_SPKR SAM-CONN52D C371 SC1U25V5MY ACER TAIPEI TAIWAN R.O.C GOLDEN FINGER & MODEM CONN Title 390 ACERNOTE LIGHT Size Document Number 96183 Date: August 5, 1997 Sheet...
  • Page 200 SC1KP METAL BT+SENSE ===> CHGR PIN 9 CONNECT TO BATT CONN PIN 1 ACER TAIPEI TAIWAN R.O.C BT-SENSE ===> CHGR PIN 6 CONNECT TO BATT CONN PIN 6 DC-DC & CHARGER & BAT CONN USING WIDE TRACE TO THE CHASSIS GND...
  • Page 201 100KR3 NEAR TP2013 C110 U40D S1N4148 SCD1U R277 1KR3 DOCK_IN1# R167 DOCK_IN_SMI# DOCK_IN_SMI# DOCK_IN2# 100KR3 R146 SSHCT32 SSHCT14 1KR3 C191 SCD1U ACER TAIPEI TAIWAN R.O.C PORT REPLICATOR Title 390 ACERNOTE LIGHT Size Document Number 96183 Date: August 5, 1997 Sheet...

  • Page 202: Post Checkpoint List

    A p p e n d p e n d i x BIOS POST Checkpoints This appendix lists the POST checkpoints of the notebook BIOS. Table E-1 POST Checkpoint List Checkpoint Description Dispatch Shutdown Path Note: At the beginning of POST, port 64 bit 2 (8042 system flag) is read to determine whether this POST is caused by a cold or warm boot.
  • Page 203 ChipUp initialization for CPU clock checking Process VGA shadow region Set POST screen mode(Graphic or Text) Display Acer(or OEM) logo if necessary Display Acer copyright message if necessary Display BIOS serial number Hook int vector 1ch for POST quiet boot...
  • Page 204 Table E-1 POST Checkpoint List Checkpoint Description Set security status KB device initialization Enable KB device FDD testing & parameter table setup Note: The FDD LED should flash once and its head should be positioned HDD testing & parameter table setup Get CPU MUX Note: This routine is to identify the user-set CPU frequency, not CPU-required frequency Display POST status if necessary...

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