Acer Travelmate 8471 Service Guide
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Chapter 453 Memory check Memory errors might stop system operations, show error messages on the screen, or hang the system. 1.Boot from the diagnostics diskette and start the doagmpstotics program (please refer to main board.) 2.Go to the diagnostic memory in the test items. 3.Press F2 in the test items. 4.Follow the instructions in the message window. NOTE: Make sure that the DIMM is fully installed into the connector. A loose connection can cause an error. Power System Check To verify the symptom of...
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54Chapter 4 From Hardware: 1.Power off the computer. 2.Remove the battery pack and measure the voltage between battery terminals 1(+) and 6(ground). See the following figure. 3.If the voltage is still less than 7.5 Vdc after recharging, replace the battery. To check the battery charge operation, use a discharged battery pack or a battery pack that has less than 50% of the total power remaining when installed in the computer. If the battery status indicator does not light up, remove the battery pack...
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Chapter 455 Power-On Self-Test (POST) Error Message The POST error message index lists the error message and their possible causes. The most likely cause is listed first. NOTE: Perform the FRU replacement or actions in the sequence shown in FRU/Action column, if the FRU replacement does not solve the problem, put the original part back in the computer. Do not replace a non-defective FRU. This index can also help you determine the next possible FRU to be replaced when servicing a computer. If the...
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56Chapter 4 Index of Error Messages Error Code List Error Message List Error CodesError Messages 006 Equipment Configuration Error Causes: 1. CPU BIOS Update Code Mismatch. 2. IDE Primary Channel Master Drive Error. (THe causes will be shown before “Equipment Configuration Error”) 010 Memory Error at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh) . 070 Real Time Clock Error. 071 CMOS Battery Bad. 072 CMOS Checksum Error. 110 System disabled. Incorrect password is specified. Battery critical LOW. In this...
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Chapter 457 System battery is dead - Replace and run SetupReplace RTC battery and Run BIOS Setup Utility to reconfigure system time, then reboot system. System CMOS checksum bad - Default configuration usedRTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. System timer error RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. System board Real time clock error RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot...
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58Chapter 4 Error Message List Invalid System Configuration Data BIOS ROM System board I/O device IRQ conflict Run “Load Default Settings” in BIOS Setup Utility. RTC battery System board Operating system not found Enter Setup and see if fixed disk and drive A are properly identified. Diskette drive Hard disk drive System board No beep Error MessagesFRU/Action in Sequence No beep, power-on indicator turns off and LCD is blank.Power source (battery pack and power adapter). See “Power System Check” on...
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Chapter 459 InsydeH2O BIOS Beep Codes CodeBeepsPOST Routine Description 02h Verify Real Mode 03h Disable Non-Maskable Interrupt (NMI) 04h Get CPU type 06h Initialize system hardware 08h Initialize chipset with initial POST values 09h Set IN POST flag 0Ah Initialize CPU registers 0Bh Enable CPU cache 0Ch Initialize caches to initial POST values 0Eh Initialize I/O component 0Fh Initialize the local bus IDE 10h Initialize Power Management 11h Load alternate registers with initial POST values 12h Restore CPU...
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60Chapter 4 45h POST device initialization 46h 2-1-2-3 Check ROM copyright notice 48h Check video configuration against CMOS 49h Initialize PCI bus and devices 4Ah Initialize all video adapters in system 4Bh QuietBoot start (optional) 4Ch Shadow video BIOS ROM 4Eh Display BIOS copyright notice 50h Display CPU type and speed 51h Initialize EISA board 52h Test keyboard 54h Set key click if enabled 58h 2-2-3-1 Test for unexpected interrupts 59h Initialize POST display service 5Ah Display prompt “Press F2 to...
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Chapter 461 8Ah Initialize Extended BIOS Data Area 8Bh Test and initialize PS/2 mouse 8Ch Initialize floppy controller 8Fh Determine number of ATA drives (optional) 90h Initialize hard-disk controllers 91h Initialize local-bus hard-disk controllers 92h Jump to UserPatch2 93h Build MPTABLE for multi-processor boards 95h Install CD ROM for boot 96h Clear huge ES segment register 97h Fixup Multi Processor table 98h 1-2 Search for option ROMs. One long, two short beeps on checksum failure. 99h Check for...
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62Chapter 4 C5h PnPnd dual CMOS (optional) C6h Initialize notebook docking (optional) C7h Initialize notebook docking late C8h Force check (optional) C9h Extended checksum (optional) D2h Unknown interrupt E0h Initialize the chipset E1h Initialize the bridge E2h Initialize the CPU E3h Initialize the system timer E4h Initialize system I/O E5h Check force recovery boot E6h Checksum BIOS ROM E7h Go to BIOS E8h Set Huge Segment E9h Initialize Multi Processor EAh Initialize OEM special code EBh Initialize PIC...