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AcerPower SN System Service Guide Service guide files and updates are available on the AIPG/CSD web; for more information, please refer to http://csd.acer.com.tw Part No: 49.30G03.001 Doc. No: SG325-9905A...........PRINTED IN TAIWAN...
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Any Acer Incorporated software described in this manual is sold or licensed "as is". Should the programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, or its dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential damages resulting from any defect in the software.
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Conventions The following conventions are used in this manual: Denotes actual messages that appear on-screen. Screen messages NOTE Gives bits and pieces of additional information related to the current topic. WARNING Alerts you to any damage that might result from doing or not doing specific actions.
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DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and service of customer machines.
Chapter 1 System Introduction This product is a Pentium II / Pentium III processor-based Micro ATX, IBM PC/AT compatible system with PCI/ AGP bus. It supports: Intel Pentium II / Pentium III processor 512 KB PBSRAM L2 cache incorporated in Pentium II CPU 2 * 168 pin DIMM sockets ( maximum up to 256MB) Power management features CPU SMM (System Management Mode)
System Outlook for AcerPower SN Front Panel Description Headphone/Earphone port CD-ROM tray Stop/Eject button Skip/Forward button CD-ROM LED Increase Volume button Decrease Volume button Turbo LED Power LED Hard disk drive LED Power button 3.5-inch floppy disk drive eject button 3.5-inch floppy disk drive...
Rear Panel Description System main power switch Voltage selector System power socket USB ports PS/2 mouse port PS/2 keyboard port Serial 2 port Parallel port Serial 1 port Speaker-out/Line-out port Line-in port Game/MIDI portt VGA/Monitor port Microphone-in port Add-on card brackets Chapter 1...
Board Layout Your system board should look just like the following figure: The following table lists the components that you will find on the system board: Component Component USB ports Power/Suspend LED connector PS/2 mouse port Power button connector ATX power connector Modem ring-in connector CPU connector PCI slots...
Supports LS-120 drive Supports BIOS boot block feature BIOS password control Check/bypass by JP7 setting Acer logo display control during POST Enable/disable by BIOS setting NOTE: The BIOS can be overwritten/upgraded using the “AFLASH” utility (AFLASH.EXE) BIOS Hotkey List Hotkey...
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System Memory Item Specification Onboard embedded memory size Memory socket number 2 sockets (2 banks) Supported memory size per socket 32MB / 64MB / 128MB Supported maximum memory size 256MB (128MB x 2) Supported memory type SDRAM Supported memory speed 100MHz (PC100) (for Local Bus speed 100MHz or 66 MHz) 66MHz (for Local Bus speed 66MHz) Supported memory voltage...
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Audio Interface Item Specification Audio controller Crystal CS4280 with Crystal CS4297 Audio Codec’97 Audio controller resident bus PCI bus Audio function control Enable/disable by BIOS Setup Mono or stereo Stereo Resolution 18 bits Compatibility Compliant to Microsoft Windows Sound System, Sound Blaster Pro standard, and Microsoft PC’98 and WHQL audio requirement.
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Serial Port Item Specification Serial port controller Built-in ALI M1543C Number of serial ports Serial port locations CN11 CS16C550 UART support Yes, with 16 bytes FIFO Connector type 9-pin D-type female connector Optional serial port I/O address 3F8h (via BIOS Setup) 2F8h 3E8h 2E8h...
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I/O Address Map Hex Range Devices 000-00F DMA Controller-1 020-021 Interrupt Controller-1 040-043 System Timer 060-060 Keyboard Controller 8742 061-061 System Speaker 070-071 CMOS RAM Address and Real Time Clock 081-08F DMA Controller-2 0A0-0A1 Interrupt Controller-2 0C0-0DF DMA Controller-2 0F0-0FF Math Co-Processor 170-177 Secondary IDE...
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IRQ Assignment Map IRQx System Devices Add-On-Card Devices IRQ0 Timer Not be used IRQ1 Keyboard Not be used IRQ2 Cascade Interrupt Control Not be used IRQ3 Serial Alternate Reserved IRQ4 Serial Primary Reserved IRQ5 Parallel port (Alternate) Reserved IRQ6 Floppy Diskette Reserved IRQ7 Parallel Port...
Power Management Power Saving Mode Phenomenon List Power Saving Mode Phenomenon IDE Hard Disk Standby mode Hard disk drive is in standby mode (spindle turned-off) Monitor Power Saving mode Monitor is in suspend mode (V-sync.=0Hz). System Standby mode Power LED illuminate in amber color Hard disk drive is in standby mode (spindle turned-off) Monitor is in off mode (V-sync.
Chapter 2 System Utilities BIOS Setup Utility The BIOS Utility is a hardware configuration program built into your system’s Basic Input/Output System (BIOS). Since most systems are already properly configured and optimized, there is no need to run this utility. However, if you encounter configuration problems and get the “Run Setup”...
Entering Setup To enter Setup, press the key combination Ctrl-Alt-Esc. IMPORTANT:Important! You must press Ctrl-Alt-Esc simultaneously while the system is booting. This key combination does not work during any other time. The Setup Utility main menu then appears: The system supports two BIOS Utility levels: Basic and Advanced. The above screen is the BIOS Utility Basic Level screen.
System Information The following screen appears if you select System Information from the main menu: The following screen shows page 2 of the System Information menu: These pages show the current basic configuration of your system. Chapter 2...
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The following table describes the parameters found in the System Information pages: Parameter Description Format Processor Specifies the type of processor currently installed in your system. Processor Speed Specifies the speed of the processor currently Speed in MHz installed in your system. Internal Cache Size Specifies the first-level or the internal memory Cache size in KB...
Product Information The screen below appears if you select Product Information from the main menu: The Product Information menu contains general data about the system, such as the product name, serial number, BIOS version, etc. This information is necessary for troubleshooting (may be required when asking for technical support).
Disk Drives Select Disk Drives from the main menu to configure the drives installed in your system. The following screen shows the Disk Drives menu: The following table describes the parameters found in this menu. Settings in boldface are the default and suggested settings.
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The following screen appears if you select any of the IDE Drive parameters: The following table describes the parameters found in this menu. Settings in boldface are the default and suggested settings. Parameter Description Options Type Lets you specify the type of hard disk installed in your Auto, None, or User.
Onboard Peripherals The Onboard Peripherals menu allows you to configure the onboard devices. Selecting this option from the main menu displays the following screen: The following table describes the parameters found in this menu. Settings in boldface are the default and suggested settings.
Onboard Device Settings The following screen shows the Onboard Device Settings sub-menu: The following table describes the parameters found in this sub-menu. Settings in boldface are the default and suggested settings. Parameter Description Options Floppy Disk Controller Lets you enable or disable the onboard Enabled or Disabled floppy disk controller.
Power Management The Power Management menu lets you configure the system power-management feature. The following screen shows the Power Management parameters and their default settings: The following table describes the parameters found in this menu. Settings in boldface are the default and suggested settings.
Boot Options This option allows you to specify your preferred settings for bootup. The following screen appears if you select Boot Options from the main menu: The following table describes the parameters found in this menu. Settings in boldface are the default and suggested settings.
Date and Time The following screen appears if you select the Date and Time option from the main menu: The following table describes the parameters found in this menu: Parameter Description Options Date Lets you set the date following the weekday- Weekday: Sun, Mon, Tue, Wed, Thu, month-day-year format.
System Security The Setup program has a number of security features to prevent unauthorized access to the system and its data. The following screen appears if you select System Security from the main menu: The following table describes the parameters found in this menu. Settings in boldface are the default and suggested settings.
Setting a Password Make sure that JP7 is set to 1-2 (bypass password). NOTE: You cannot enter the BIOS utility if a Setup password does not exist and JP7 is set to 2-3 (password check enabled). By default, JP7 is set to 1-2 (bypass password). Enter the BIOS utility and select System Security .
To remove the password, simply select the Setup Password parameter (for Setup password) or the Power-on Password parameter (for Power-on password) from the System Security menu and set it to None. Bypassing the Password If you forget your password, you can bypass the password security feature by hardware. Follow these steps to bypass the password: Turn off and unplug the system.
Advanced Options NOTE: The Advanced Options selection is available only in the Advanced Level. The Advanced Options menu allows you to configure the system memory and PCI device settings. The following screen shows the Advanced Options parameters: CAUTION: Do not change any settings in the Advanced Options menu if you are not a qualified technician to avoid damaging the system.
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The following table describes the parameters found in this sub-menu. Settings in boldface are the default and suggested settings. Parameter Description Options Internal Cache (CPU Cache) Lets you enable or disable the primary cache Enabled or Disabled memory, i.e., the CPU memory. External Cache Lets you enable or disable the secondary Enabled or Disabled...
PnP/PCI Options The PnP/PCI Options allows you to specify the settings for your PCI devices. Selecting this option displays the following screen: The following table describes the parameters found in this sub-menu. Settings in boldface are the default and suggested settings. Parameter Description Options...
Load Default Settings You need to reload the BIOS default settings every time you make changes to your system hardware configuration (such as memory size, CPU type, hard disk type, etc.); otherwise, BIOS will keep the previous CMOS settings. Selecting this option displays the following dialog box: Choosing Yes enables BIOS to automatically detect the hardware changes that you have made in your system.
Abort Settings Change Selecting the Abort Settings Change option from the main menu displays the following dialog box: Choosing Yes discards all the changes that you have made and reverts the parameters to their previously saved settings. Choosing No returns you to the main menu. BIOS retains all changes that you have made. Chapter 2...
Exiting Setup To exit the BIOS utility, simply press Esc. The following dialog box appears: Select Yes to exit Setup. Select No to return to the main menu. If you have made changes in the parameter settings, the following dialog box appears: Select Yes to save your changes before you exit Setup.
Flash (BIOS) Update Procedure NOTE: The flash update procedure does not change the model number and serial number information in BIOS. Prepare a bootable DOS diskette disk with AFLASH.EXE, MSG.DAT, VXXYYZZ.BIN files NOTE: The AFLASH.EXE and MSG.DAT are flash utility program. The VXXYYZZ.BIN is BIOS source code binary file.
BIOS-contained Model Number and Serial Number The model number and serial number information is stored in BIOS ROM and displayed in the “Model Information” of BIOS Setup main menu. If a service repair is completed by replacing a new system board or a new BIOS ROM, then you are required to input the original system’s model number and serial number into the new BIOS ROM.
Chapter 3 Removal and Replacement This chapter contains step-by-step procedures on how to disassemble the desktop 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 Hexagonal screwdriver...
Removing/Installing the DIMM Removing a DIMM To remove the DIMM: Press the holding clips on both sides of the socket outward to release the DIMM. Gently pull the DIMM out of the socket. Installing a DIMM Follow these steps to install a DIMM: Open the clips on the socket.
Removing/Installing the Processor Removing the PentiumII with SECC2 Package Type Processor NOTE: Observe the ESD precautions when installing or removing a system component. Follow these steps to remove the CPU: Disconnect the 2-pin fan/heatsink cables from the system board. While slightly pulling both sides of the retention mechanism, pull out the CPU. Chapter 3...
Removing the Pentium II with SECC2 Package Type Fan-sink Use a screw driver to slide the fastener odes outward to unlock the fan-sink. Carefully remove the fan-sink from the processor. Installing the Pentium II with SECC2 Package Type Processor into the System Board Follow these steps to install the processor module: Unfold and pull out the sides of retention mechanism.
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Press down the processor until the golden fingers completely fit into the connector and the latches on the sides lock the processor into place. NOTE: Check the sides of the retention mechanism. The latches should be properly inserted into the appropriate slots on the retention mechanism.
Opening the Housing NOTE: Turn off the system power (unplug the power cord) before opening the system or connecting or removing any peripheral device. Place the system unit on a flat, steady surface. Remove the four screws from the rear panel. Set the screws aside. You will need them when replacing the housing cover.
Removing the Expansion Board Remove the screw on the bracket of an expansion board. Set the screws aside. You will need them when replacing the expansion board. Gently pull out the board to remove it from the expansion slot. Chapter 3...
Removing the 3.5-inch Drive Follow these steps to install a 3.5-inch diskette drive or a hard disk drive: Disconnect the disk drive cables and the power cable. Remove the 3.5-inch drive frame from the housing by pressing the tab on top and pivoting the frame outward.
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NOTE: A metal drive cover should be pulled out before you install a new drive to an empty 3.5-inch bay . This cover should be removed if a 3.5-inch drive is installed. The function of the cover is to prevent EMI effect.
Removing the 5.25-inch Drive To remove a 5.5-inch diskette drive or a CD-ROM drive: Remove the diskette drive cable and the power cable. Remove the screws on the sides and gently pull out the diskette drive or CD-ROM to remove it from the housing.
Installing the 5.25-inch Drive When installing a 5.25-inch drive to an empty bay, use a flat-head screw driver to open and remove the bay panel as shown below, Pull the metal bay cover to the side until the other end is released, then pull it to remove it from the housing.
Removing the System Board Put the housing to lying position with the open area facing upward. Remove all the necessary screws and carefully pull out the system board. Chapter 3...
Chapter 4 Troubleshooting This chapter provides troubleshooting information for the AcerPower SN: Power-On Self-Test (POST) Index of Error Messages Index of Error Symptoms Undetermined Problems Chapter 4...
Power-On Self-Test (POST) Each time you turn on the system, the power-on self test (POST) is initiated. Several items are tested during POST, but is for the most part transparent to the user. The Power-On Self Test (POST) is a BIOS procedure that boots the system, initializes and diagnoses the system components, and controls the operation of the power-on password option.
POST Error Messages List If you cannot run the diagnostics program tests but did receive a POST error message, use “POST Error Messages List” to diagnose system problems. If you did not receive any error message, look for a description of your error symptoms in “Error Symptoms List”...
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BIOS Messages Action/FRU IDE Primary Channel Master Drive Error Enter BIOS Setup and load the default settings. IDE Primary Channel Slave Drive Error Check IDE drive jumper. IDE Secondary Channel Master Drive Error IDE hard disk drive power. IDE Secondary Channel Slave Drive Error IDE hard disk drive cable/connection.
Error Symptoms List NOTE: To diagnose a problem, first find the error symptom in the left column. If directed to a check procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/ FRU listed in right column is the most likely cause.
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Error Symptom Action/FRU Diskette drive does not work. Ensure the diskette drive is not set to None in the Disk Drives of BIOS Setup. Diskette drive power Diskette drive connection/cable Diskette drive System board Diskette drive read/write error. Diskette. Ensure the diskette drive is not set to Write protect in the Security Options of BIOS Setup.
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Error Symptom Action/FRU CD/DVD-ROM drive cannot load or eject Disconnect all cables from CD/DVD-ROM drive except power when the system is turned on and its eject cable, then press eject button to try to unload the disk. button is pressed and held. CD/DVD-ROM drive power.
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Error Symptom Action/FRU Display problem not listed above (including “Monitor". blank or illegible monitor). Load default settings (if screen is readable). System board Parallel/Serial Ports Execute “Load BIOS Default Settings” in BIOS Setup to confirm ports' presence before diagnosing any parallel/serial ports problems.
Check all cables and connectors for proper installation. 4. If the jumpers, switch, and voltage settings are correct, remove or disconnect the following, one at a time: Non-Acer devices External devices Any adapter card (modem card or video card, if installed)
Chapter 5 Jumper and Connector Information Jumpers and Connectors Refer to the following figure for the location of the jumpers and connectors on the system board: Chapter 5...
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The following table lists the onboard jumpers, their respective functions and possible settings. Jumper Function and Settings Keyboard Turn-on Function Enabled Disabled (default) Audio Line Type 1-3, 2-4 Line out (default) 3-5, 4-6 Speaker out Password Check Disabled (default) Enabled CPU Core Clock Multiplier Switch 1 Switch 2 Switch 3 Switch 4 Ratio...
Floppy Disk / Hard Disk Support The board comes with an enhanced PCI IDE controller that supports PIO mode 4 and Ultra DMA (Direct Memory Access) mode data transfers. Two PCI IDE interfaces are mounted on board to enable the system to support a maximum of four IDE hard disks, or any other IDE devices.
NOTE: To scrap or to return the defective parts, you should follow the local government ordinance or regulations on how best to dispose it, or follow the rules set by your regional Acer office on how to return it.
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Hemiphere) ACI/ACLA API 15" (universal 220/110v South 1555-510 91.71602.304 Hemiphere) ACI API 15" (universal 110v North 1555-431 91.71602.305 Hemiphere) STK API 17" 77CJ Acer power AAC/ACLA J71C 90.38A02.001 JEAN 17" 77CJ Acer power ACI/AEB J71C 90.38A02.002 JEAN 17" 77CJ Acer power ACI/ACLA J71C 90.38A02.003...
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Picture Part Name Description Part No. CD-ROM 40X CD-ROM API CD ROM DV 40X API/ 56.10212.011 91.28D37.147 40X CD-ROM Acer open CD-940E/AKUAG4A AAC 91.24D37.007 DVD-ROM 6X DVD-ROM Hitachi DVD 6X/32X HITACHI/GD-3000 56.2238A.021 Cable Cable pack SWITCH/LED CABLE PACK H61 6M.92202.001 FDD cable C.A 34P 2C 450MM FDD H61...
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MODEM V.EMEA NET/ 54.09281.001 RA56(AMIRE99) Lan Card 10/100MB Lan card ANI LAN ANI/ALN-325/B50 PCI10/100 54.03111.001 10/100MB NIC-559 Lan card 91.82610.103 ACER 10/100MB NIC-558Lan card LAN CARD WITH INTEL 82558 91.82610.001 ACER Power 145w power supply Delta SPS 145W DELTA/DPS-145PB- 56.04145.1Q1...
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Picture Part Name Description Part No. HDD EMI cover CVR EMI EMPTY 5.25"(TOOL) 34.92203.001 CD-ROM EMI bracket CVR HDD EMI (TOOLING) SUS 34.92201.001 Front Panel GEN ASSY BZL F GEN H61 60.92211.001 Front Panel CHA ASSY BZL F CHA H61 60.92211.023 CD-ROM empty cover 002 CVR EMPTY 525 CHA HIPS...
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Picture Part Name Description Part No. CPU fan sink for SECCII FAN SINK PII(SECCII/ 90.00028.620 RPM)OLGA CPU fan sink for SECCII FAN SINK PII(SECCII/STD)OLGA 90.00028.618 Screws Screw SCRW PAN W/FLT SPG M3*6L NI 86.1H524.6R0 Screw SCRW MACH PAN W/SPG#6- 86.1B526.7R9 32*5/16 Screw SCRW MACH BDG #6-32*3/16"...
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Picture Part Name Description Part No. Bracket port spring SPRING PBSPS T0.15 IDEMT 34.90203.002 LED cable catch HOLDER WIRI NYLON66 IDC-DT 42.02801.011 Bracket port BRKT PORT SECC 1116SX(CD) 33.11206.002 Keyboard PS/2 keyboard us API KB PS2 (US) API ALL 91.22H07.081 Mouse PS/2 button mouse Primax MOUSE PRIMAX 2 BUTTON...
Appendix A Model Number and Configurations This appendix provides the BASIC model number and the configuration to AcerPower SN decided for Acer's "global" product offering. Contact your regional offices or the responsible personnel/channel to provide you with further extension model numbers and configurations...
Appendix B Test Compatible Components List AcerPowerSN compatibility is tested and verified by Acer’s internal testing department. All of its system ® ® ® ® functions are tested under MS DOS V6.22, Windows 98 (EN/CHN), Windows NT 4.0 (EN) and Windows 2000 (EN) environments.
MS DOS V6.22 Environment Test ® MS DOS V6.22 Function Test Item Specification Processor Pentium II 400 Pentium II 450 Memory 96MB 128MB Cache 512K Floppy Diskette drive Panasonic 3 Mode Mitsumi Hard Diskette drive Maxtor 6.4 GB Maxtor 6.5 GB Quantum 13.0 GB CD-ROM Aopen 40X CD-ROM...
MS Windows 98 (EN/CHN) Environment Test ® ® Microsoft Windows 98 (En/CHN) Function Test Item Specification Processor Pentium II 350 Pentium II 500 Memory 128 MB (64 MB*2) 256 MB (128 MB*2) Cache 512K Diskette drive Panasonic 3 Mode Mitsumi Hard Diskette drive Seagate 8.6 GB Seagate 13.0 GB...
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MS Windows NT 4.0 Workstation Environment Test ® ® Microsoft Windows NT 4.0 Workstation Function Test Item Specification Processor Pentium II 350 Pentium II 500 Memory 128 MB (64 MB*2) 256 MB (128 MB*2) Cache 512K Diskette drive Panasonic 3 Mode Mitsumi EIDE Channel 1 Master Seagate 8.6 GB...
MS Windows 2000 Environment Test ® ® Microsoft Windows 2000 Function Test Item Specification Processor Pentium II 400 Pentium II 500 Memory 128 MB 256 MB Cache 512K Diskette drive Panasonic Mitsumi Hard Diskette drive Seagate 8.6 GB Seagate 13.0 GB Quantum 13.0 GB Maxtor 6.4 GB CD-ROM...
This appendix describes online technical support services available to help you repair your Acer Systems. If you are a distributor, dealer, ASP or TPM, please refer your technical queries to your local Acer branch office. Acer Branch Offices, Regional Offices and Regional Group may access our website. However some information sources will require a user I.D.
Index size 19 type 19 abort settings change 32 Advanced level 14 Advanced Options 28 entering Setup 14 PnP/PCI 30 Environmental Requirements 12 audio function 61 Error Symptoms List 53 controller 61 exit Setup 33 ports 61 Audio Interface 7 F8 key 14 FDD/hard disk support 61 Basic level 14...
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ECP DMA channel 20 System Security 25 IRQ 20 disk drive control 25 operation mode 20 floppy drive 25 parallel port 20 hard disk drive 25 serial port 1/2 20 operation mode 25 Power-on password 25 Setup password 25 Parallel Port 7 Password Test Compatible Components List 1, 13 bypassing 27...
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