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Asus P/I-P55T2P4 User Manual

Pentium motherboard
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Pentium Motherboard
USER'S MANUAL

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Summary of Contents for Asus P/I-P55T2P4

  • Page 1 P/I-P55T2P4 Pentium Motherboard USER'S MANUAL...
  • Page 2 In no event shall ASUS be liable for any loss or profits, loss of business, loss of use or data, interruption of business, or for indirect, special, inci-...

  • Page 3: Asus Contact Information

    Telephone: 1-408-474-0567 Fax: 1-408-474-0568 Email: info-usa@asus.com.tw Technical Support: BBS: 1-408-474-0555 Email: tsd-usa@asus.com.tw ASUS COMPUTER GmbH Marketing Info: Address: Harkort Str. 25, 40880 Ratingen, BRD, Germany Telephone: 49-2102-445011 Fax: 49-2102-442066 Email: info-ger@asus.com.tw Technical Support: BBS: 49-2102-448690 Email: tsd-ger@asus.com.tw ASUS P/I-P55T2P4 User's Manual...

  • Page 4: Table Of Contents

    I. INTRODUCTION ... 1 How this manual is organized ... 1 Item Checklist ... 1 II. FEATURES ... 2 Features of the ASUS Motherboard ... 2 Parts of the ASUS Motherboard ... 3 III. INSTALLATION ... 4 Map of the Motherboard ... 4 Installation Steps ...
  • Page 5 Save and Exit Setup ... 47 Exit Without Saving ... 47 V. DESKTOP MANAGEMENT ... 49 Desktop Management Interface (DMI) ... 49 Introducing the ASUS DMI Configuration Utility ... 49 System Requirements ... 49 Using the ASUS DMI Configuration Utility ... 50 Notes: ... 50 VI.

  • Page 6: Federal Communications Commission Statement

    Canadian Department of Communications Statement This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Cana- dian Department of Communications. ASUS P/I-P55T2P4 User's Manual...

  • Page 7: Introduction

    • Desktop Management Interface (DMI) utility • Bus Master IDE Drivers for various operating systems • Audio drivers and utilities (included with ASUS I-A16C audio bundle only) • Readme files for descriptions and use of the files • Technical Support Form...

  • Page 8: Features

    II. FEATURES Features of the ASUS Motherboard The ASUS P/I-P55T2P4 is carefully designed for the demanding PC user who wants a great many features in a small package. This motherboard: • Easy Installation: Is equipped with BIOS that supports auto detection of hard drives and Plug and Play to make setup of hard drives and expansion cards virtually automatic.

  • Page 9: Parts Of The Asus Motherboard

    Optional IrDA and PS/2 Mouse Connector: This motherboard supports an optional infrared port module for wireless interface and a PS/2 mouse cable set. • NCR SCSI BIOS: This motherboard has firmware that supports the optional ASUS PCI-SC200 SCSI controller cards. Parts of the ASUS Motherboard 3 ISA Slots Programmable...

  • Page 10: Installation

    III. INSTALLATION Map of the ASUS Motherboard Boot Block Write (Dis/En) CMOS Operation/Clear BUS Freq Freq Ratio IDE LED Infrared Conn. 12V Fan Power CPU VCore JP17 JP20 Voltage (STD/VRE) ASUS P/I-P55T2P4 User’s Manual PS/2 Mouse Universal Serial Bus (Reserved for future use)
  • Page 11 23 14) FAN p. 24 15) IR CON p. 24 ASUS P/I-P55T2P4 User's Manual Multi-I/O Selection (Enable/Disable) Flash ROM Boot Block Program (Disable/Enable) Total Level 2 Cache Size Setting (256/512KB) Real Time Clock RAM (Operation/Clear Data) Single Power Plane CPU Voltage Selection...

  • Page 12: Installation Steps

    3. Use a grounded wrist strap before handling computer components. 4. Place components on a grounded antistatic pad or on the bag that came with the component whenever the components are separated from the system. ASUS P/I-P55T2P4 User's Manual Pin 1 Pin 1...

  • Page 13: Jumper Settings

    This sets the operation mode of the boot block area of the BIOS Flash ROM to allow programming in the Enabled position. Programming Disabled [1-2] (Default) Enabled [2-3] ASUS P/I-P55T2P4 User's Manual Enable (Default) Disabled Multi I/O Setting (Enable / Disable) 1 2 3 Disabled (Default) Enabled...
  • Page 14 Expansion Slot, then you have 256KB. If you only have onboard cache chips, then you have 512KB. An "ASUS" or "COAST" cache module can be used to upgrade the 256KB version to 512KB. If there is no onboard cache, you may install a cache module of either 256KB or 512KB.
  • Page 15 CPU Manufacturer CPU Type K6-PR233 K6-PR166,200 Intel/IBM/Cyrix P55C/6x86MX (Reserved) (Reserved) (Reserved) (Reserved) K6-PR233 (3.2 Volts) ASUS P/I-P55T2P4 User's Manual Voltage STD (3.4 Volts) VRE (3.5 Volts) JP17 JP17 1 2 3 P54C/CS/K5 P54C/CS/K5/6x86 (STD 3.4V) (Default) (VRE 3.5 Volts) Voltage Regulator Output Selection (STD / VRE)
  • Page 16 150MHz *IBM/Cyrix6x86-PR166+ 133MHz *NOTE: Only IBM or Cyrix Rev 2.7 or later is supported on this motherboard (see next page). Bootup screen will show 6x86-P166+ with the Cyrix PR166+ installed on this motherboard. ASUS P/I-P55T2P4 User's Manual 50MHz 55MHz 60MHz...

  • Page 17: Cyrix Cpu Identification

    64MB, you need to install a TAG SRAM upgrade or use a cache module with an extended TAG SRAM (such as 256KB ASUS CM1 Rev 3.0 with 2 TAG SRAM's) but not both and set this jumper to 512MB. See page 12 for TAG SRAM upgrade and page 14 for cache module information.

  • Page 18: System Memory (Dram & Sram)

    5Volt SRAM chip that is 15ns or faster. WARNING: If the cache module that you install already have an extended tag, do not install another TAG SRAM into the TAG SRAM Upgrade Socket. ASUS P/I-P55T2P4 User's Manual Notch Indention...

  • Page 19: Dram Memory Installation Procedures

    "Metal Clips" should snap on the other side. 5. To release the memory module, squeeze both "Metal Clips" outwards and rock the module out of the "Metal Clips". ASUS P/I-P55T2P4 User's Manual 1 2 3 4 Bank0 Bank1...

  • Page 20: Static Ram (Sram) For Level 2 (External) Cache

    Cache Expansion Slot, then you have 256KB. If you only have onboard cache chips, then you have 512KB. An "ASUS" or "COAST" cache module can be used to upgrade the 256KB version to 512KB. The 512KB version cannot be upgraded any further.

  • Page 21: Central Processing Unit (Cpu)

    IMPORTANT: You must set jumpers for "CPU to BUS Frequency Ratio" and jumpers for "BUS Frequency Selection" on page 10 depending on the CPU that you install. ZIF Socket 7 with Pentium Processor ASUS P/I-P55T2P4 User's Manual Lever Lock Blank...

  • Page 22: Expansion Cards

    In an standard design there are 16 IRQs available but most of them are already in use by parts of the system which leaves 6 free for expansion cards. ASUS P/I-P55T2P4 User's Manual cards other system components.

  • Page 23: Assigning Dma Channels For Isa Cards

    IMPORTANT: Choose "Yes" for those IRQ's and DMA's you wish to reserve for Legacy (Non-PnP) ISA expansion cards in “IRQ xx Used By ISA” and “DMA x Used By ISA” of the PNP and PCI Setup in the BIOS SOFTWARE section, otherwise conflicts may occur. ASUS P/I-P55T2P4 User's Manual...

  • Page 24: Asus Mediabus Card

    * All the above Audio features Creative Technology, Ltd. * All the above Video features ATI, Inc. (AV868 Video features S3, Inc.) * All the above SCSI features Adaptec, Inc. ASUS P/I-P55T2P4 User's Manual Ultra Fast/Wide SCSI & Audio MediaBus Card PCI Audio & Video MediaBus Card PCI Audio &...

  • Page 25: External Connectors

    The system will direct IRQ12 to the PS/2 mouse if one is detected. If not detected, expansion cards can use IRQ12. See PS/2 Mouse Control in BIOS FEATURES SETUP. ASUS P/I-P55T2P4 User's Manual The four corners of the Keyboard Connector (5-pin female)
  • Page 26 See page 35 for BIOS configuration of "Onboard Serial Port". (Pin 10 is removed to prevent inserting in the wrong orientation when using ribbon cables with pin 10 plugged). ASUS P/I-P55T2P4 User's Manual Pin 1 Onboard Parallel (Printer) Connector COM 1...
  • Page 27 Using a slight angle, align the plastic guide pins on the lead to their receptacles on the connector. Once aligned, press the lead onto the connector until the lead locks into place. ASUS P/I-P55T2P4 User's Manual Floppy Drive Connector -12V...
  • Page 28 20 plugged). 8. IDE Activity LED (IDE LED) This connector connects to the hard disk activity indicator light on the system cabinet. ASUS P/I-P55T2P4 User's Manual Pin 1 Secondary IDE Connector Primary IDE Connector...
  • Page 29 LED. The system power LED lights when the system is powered on. See the figure below. 13. Speaker Connector (CON1) This 4-pin connector connects to the case-mounted speaker. ASUS P/I-P55T2P4 User's Manual Turbo or Power LED & Power LED...
  • Page 30 COM2 or IrDA. Use the five pins as shown on the Back View and connect a ribbon cable from the module to the motherboard accord- ing to the pin definitions. ASUS P/I-P55T2P4 User's Manual Air Flow +12V...

  • Page 31: Power Connection Procedures

    Recheck your jumper settings and connections or call your authorized dealer for assistance. 7. During power-on, hold down the <Delete> key to enter BIOS setup. Follow the next section "BIOS SOFTWARE" for instructions. ASUS P/I-P55T2P4 User’s Manual...

  • Page 32: Bios Software

    Create a bootable system floppy diskette by typing [FORMAT A:/S] from the DOS environment without creating "AUTOEXEC.BAT" and "CONFIG.SYS" files, then save the PFLASH.EXE and the BIOS to the floppy diskette. ASUS P/I-P55T2P4 User’s Manual ASUSTeK PNP BIOS FLASH MEMORY WRITER V1.5...

  • Page 33: Advanced Features Menu

    Block and ESCD" requires that the system is running in real mode. This utility will not operate if the system is under protected mode or virtual mode. You should boot from a system floppy diskette without "AUTOEXEC.BAT" and "CONFIG.SYS" files. ASUS P/I-P55T2P4 User’s Manual Advanced Features...

  • Page 34: Updating Your Motherboard's Bios

    1. Download an updated BIOS file from Bulletin Board Services (BBS) or the internet (WWW) and save to the diskette you created in step 1 of the Main Menu. See ASUS CONTACT INFORMATION on page II. 2. Turn off your computer and open the system cabinet to Enable "Boot Block Programming"...

  • Page 35: Bios Setup

    Reset button on the system case. You can also restart by turning the system off and then back on again. But do so only if the first two methods fail.ß When you invoke Setup, the CMOS SETUP UTILITY main program screen will appear with the following options: ASUS P/I-P55T2P4 User’s Manual...

  • Page 36: Load Defaults

    <F1> key. The help menu will then appear to provide you with the information you need. The memory display at the lower right-hand side of the screen is read-only and automatically adjusts accordingly. ASUS P/I-P55T2P4 User’s Manual...

  • Page 37: Asus P/I-P55T2P4 User's Manual

    BIOS. If you install the optional PCI-SC200 SCSI controller card into the motherboard (see section VI for instructions). If you install other vendor’s SCSI controller card, please refer to their respective documentations on how to install the required SCSI drivers. ASUS P/I-P55T2P4 User’s Manual...
  • Page 38 IDE hard disk drives must be partitioned (such as with FDISK) and then formatted before data can be read from and write on. Primary IDE hard disk drives must have its partition set to active (also possible with FDISK). ASUS P/I-P55T2P4 User’s Manual...
  • Page 39 If you are using a VGA or any higher resolution card, choose the “EGA/VGA” option. Halt On This field determines which types of errors will cause the system to halt. All Errors (Default) No Errors All, But Keyboard All, But Diskette All, But Disk/Key ASUS P/I-P55T2P4 User’s Manual...

  • Page 40: Bios Features Setup

    These fields allow you to set the CPU’s “Level 1” primary cache to Enabled (de- fault) or Disabled. Caching allows better performance. External Cache These fields allow you to set the CPU’s “Level 2” secondary cache to Enabled (default) or Disabled. Caching allows better performance. ASUS P/I-P55T2P4 User’s Manual...
  • Page 41 IRQ12 will be used for the PS/2 Mouse. IRQ12 will be reserved for expan- sion cards if a PS/2 Mouse is not detected. Disabled will reserve IRQ12 for expan- sion cards and therefore the PS/2 Mouse will not function. ASUS P/I-P55T2P4 User’s Manual...
  • Page 42 8, 10, 12, 15, 20, 24, and 30. Typematic Delay (Msec) This field sets the time interval, in milliseconds, for displaying the first and second characters. Four delay rate options are available: 250 (default), 500, 750 and 1000. ASUS P/I-P55T2P4 User’s Manual...

  • Page 43: Chipset Features Setup

    Enabling this features reserves 15MB to 16MB memory address space to ISA ex- pansion cards that specifically require this setting. This makes the memory from 15MB and up unavailable to the system. Expansion cards can only access memory up to 16MB. The default is Disabled. ASUS P/I-P55T2P4 User’s Manual...
  • Page 44 Onboard Serial Port 1 Settings are 3F8H/IRQ4 (default), 2F8H/IRQ3, 3E8H/IRQ4, 2E8H/IRQ10, and Dis- abled for the onboard serial connector. Onboard Serial Port 2 Settings are 3F8H/IRQ4, 2F8H/IRQ3 (default), 3E8H/IRQ4, 2E8H/IRQ10, and Dis- abled for the onboard serial connector. ASUS P/I-P55T2P4 User’s Manual...
  • Page 45 Because each IDE device may have a different Mode timing (0, 1, 2, 3, 4), it is necessary for these to be independent. The default setting of Auto will allow autodetection to ensure optimal performance. ASUS P/I-P55T2P4 User’s Manual...

  • Page 46: Power Management Setup

    Screen only blanks the screen (use this for monitors without power management or “green” features. If set up in your system, your screen saver will not display with Blank Screen selected). V/H SYNC+Blank blanks the screen and turns off vertical and horizontal scanning. ASUS P/I-P55T2P4 User’s Manual...
  • Page 47 You can individually Enable or Disable each IRQ to include in the sleep function. IRQ8 (RTC Alarm) is usually set to Disable so that any software alarm clock or event calendar can wake up the system. ASUS P/I-P55T2P4 User’s Manual...

  • Page 48: Pnp And Pci Setup

    ICU, you must set the field for that IRQ to Yes. For example: If you install a legacy ISA card that requires IRQ 10, then set IRQ10 Used By ISA to Yes. ASUS P/I-P55T2P4 User’s Manual...
  • Page 49 This motherboard supports Universal Serial Bus (USB) devices but current operat- ing systems do not. The default is set to Disabled until support disks and USB devices are available in which time you can set this function to Enabled. ASUS P/I-P55T2P4 User’s Manual...

  • Page 50: Load Bios Defaults

    <Enter>. The system displays a confirmation message on the screen. Press <Y> and then <Enter> to confirm. Press <N> and then <Enter> to abort. This feature does not affect the fields on the Standard CMOS Setup screen. ASUS P/I-P55T2P4 User’s Manual...

  • Page 51: Supervisor Password And User Password

    <Enter> instead of entering a new password when the “Enter Password” prompt appears. A message confirms the password has been disabled. NOTE: If you forget the password, see CMOS RAM in section III for procedures on clearing the CMOS. ASUS P/I-P55T2P4 User’s Manual...

  • Page 52: Ide Hdd Auto Detection

    The autodetection feature can only detect one set of parameters for a particular IDE hard drive. Some IDE drives can use more than one set. This is not a problem if the drive is new and there is nothing on it. ASUS P/I-P55T2P4 User’s Manual...

  • Page 53: Save And Exit Setup

    Select this option to exit the Setup utility without saving the modifications you specify during the current session. To exit without saving, highlight the “Exit Without Sav- ing” option on the main screen and then press <Enter>. ASUS P/I-P55T2P4 User’s Manual...
  • Page 54 (This page was intentionally left blank) ASUS P/I-P55T2P4 User’s Manual...

  • Page 55: Desktop Management

    V. DESKTOP MANAGEMENT Desktop Management Interface (DMI) Introducing the ASUS DMI Configuration Utility This motherboard supports DMI within the BIOS level and provides a DMI Con- figuration Utility to maintain the Management Information Format Database (MIFD). DMI is able to auto-detect and record information pertinent to a computer’s system such as the CPU type, CPU speed, and internal/external frequencies, and memory size.

  • Page 56: Using The Asus Dmi Configuration Utility

    V. DESKTOP MANAGEMENT Using the ASUS DMI Configuration Utility Edit DMI (or delete) Use the (left-right) cursors to move the top menu items and the (up-down) cursor to move between the left hand menu items. The bottom of the screen will show the available keys for each screen.
  • Page 57 You can load the BIOS defaults from a MIFD file and can clear all user modified and added data. You must reboot your computer in order for the defaults to be saved back into the Flash BIOS. ASUS P/I-P55T2P4 User’s Manual...
  • Page 58 (This page was intentionally left blank) ASUS P/I-P55T2P4 User’s Manual...

  • Page 59: Asus Pci-Sc200 Scsi Card

    SCO UNIX floppy disk. Windows 95 support is also available using the device drivers included within the Windows software. The ASUS PCI-SC200 and ASUS PCI-SC860 are Plug and Play adapters that are auto detected by BIOS and current operating systems that support Plug and Play features.

  • Page 60: The Asus Pci-Sc200 Scsi Interface Card

    VI. ASUS PCI SCSI Cards Setting Up the ASUS PCI-SC200 & PCI-SC860 There are two jumper settings you may need to make on the ASUS PCI-SC200 to set it up. One setting assigns the PCI INT interrupt, the other sets the card’s termination.

  • Page 61: Setting The Int Assignment

    JP5. There are two settings, "terminated" and "not terminated," as shown below. Decide whether or not you need to terminate the ASUS PCI-SC200 based on its position in the SCSI chain. Only the devices at each end of the chain need to be terminated.

  • Page 62: Scsi Id Numbers

    SCSI identification number that is not in use by any other SCSI device. There are eight possible ID numbers, 0 through 7. The ASUS PCI-SC200 and ASUS PCI-SC860 cards have fixed SCSI IDs of 7. The SCSI ID serves two purposes: •...

  • Page 63: Asus I-A16C Audio Card

    CAUTION: Keep the ASUS I-A16C stored in its anti-static bag until you are ready to install it in your system. The ASUS I-A16C is easily damaged by static electric- ity. Observe the following precautions while unpacking and handling the board: •...

  • Page 64: Layout And Connectors

    VII. ASUS I-A16C Audio Card Layout and Connectors Mitsumi Audio In Sony Audio In Connectors The audio input connectors are used when you wish to control software mixer set- tings (bass, treble, volume, etc.) for audio CD's that are played with your CD-ROM.

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