Acer Aspire 9100 Service Guide

Chapter 464
Check the Battery Pack
To check the battery pack, do the following:
From Software:
1.Check out the Power Options in control Panel
2.In Power Meter, confirm that if the parameters shown in the screen for Current Power Source and Total 
Battery Power Remaining are correct.
3.Repeat the steps 1 and 2, for both battery and adapter.
4.This helps you identify first the problem is on recharging or discharging.
From Hardware:
1.Power off the computer. 
2.Remove the battery pack and measure the...

65Chapter 4
Replace LCD/FL cable with a new one then execute the display diagnostic again. If the problem 
still occurs, continue next step.
Replace the CPU with another of the same specifications. If the problems still occurs, go to next 
step.
The main board may be damaged. Replace main board.
3.If the external monitor has the same problem as the internal monitor,  the main board may be damaged. 
Please insert the diagnostic disk and run the display test program and go through the sub-steps under 
step...

Chapter 466
Insyde MobilePro BIOS POST Beep Code and POST Messages
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...

67Chapter 4
N/A “NO INTERRUPTS FROM TIMER 0” Timer 0 of the clock timer controller does not 
generate system interrupts correctly.
N/A “UNEXPECTED AMOUNT OF 
MEMORY - RUN SCU”The system memory size does not match with 
the CMOS record.
N/A “CLOCK NOT TICKING CORRECTLY” The system clock does not working correctly.
N/A “TIME/DATA CORRUPT - RUN SCU” The time/date information in CMOS is invalid.
N/A “MACHINE IS LOCKED - TURN KEY” The keyboard operation is locked.
N/A “BOOT SECTOR 0 HAS CHANGED” The boot...

Chapter 468
Insyde MobilePro BIOS POST Beep Code and POST Messages
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...

69Chapter 4
N/A “NO INTERRUPTS FROM TIMER 0” Timer 0 of the clock timer controller does not 
generate system interrupts correctly.
N/A “UNEXPECTED AMOUNT OF 
MEMORY - RUN SCU”The system memory size does not match with 
the CMOS record.
N/A “CLOCK NOT TICKING CORRECTLY” The system clock does not working correctly.
N/A “TIME/DATA CORRUPT - RUN SCU” The time/date information in CMOS is invalid.
N/A “MACHINE IS LOCKED - TURN KEY” The keyboard operation is locked.
N/A “BOOT SECTOR 0 HAS CHANGED” The boot...

Chapter 470
Insyde MobilePro BIOS POST Beep Code and POST Messages
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...

71Chapter 4
N/A “NO INTERRUPTS FROM TIMER 0” Timer 0 of the clock timer controller does not 
generate system interrupts correctly.
N/A “UNEXPECTED AMOUNT OF 
MEMORY - RUN SCU”The system memory size does not match with 
the CMOS record.
N/A “CLOCK NOT TICKING CORRECTLY” The system clock does not working correctly.
N/A “TIME/DATA CORRUPT - RUN SCU” The time/date information in CMOS is invalid.
N/A “MACHINE IS LOCKED - TURN KEY” The keyboard operation is locked.
N/A “BOOT SECTOR 0 HAS CHANGED” The boot...

Chapter 472
Insyde MobilePro BIOS POST Codes
POST CodeMacro NameDescription
Boot Loader--BLOAD.ASM
00DIAG_SYSTEM_INITBoot started, check motherboard power is stable.
01DIAG_A20_DISABLEDisable A20 through A20
02DIAG_INIT_CHIPSETInitialize Chipset
03DIAG_TEST_RAMTest the basic 640k RAM
04DIAG_MOVE_BB_LOADERMove boot load segment into the RAM
05DIAG_EXECUTE_IN_DRAMprogram execution from DRAM
06DIAG_USER_FLASH_CHECKTest print port for check crisis option is enable or 
disable
07DIAG_SHADOW_BIOSDecompress the...

73Chapter 4
22DEBUG_POST_CHECK_CMOS_RA
MSend test petten to Check CMOS Ram
23DEBUG_POST_TEST_BATT_CMOS_
SUMTest Battery Fail & check CMOS X-SUM
24DEBUG_HWIO_TEST_DMA_CTLRSUse DMA to copy data for Test the DMA 
controllers
25DEBUG_HWIO_INIT_8237Initialize 8237A Controller
26DEBUG_POST_INIT_VECSInstall and Initialize interrupt Vectors
27DEBUG_RAM_QUICK_SIZEEnter memory protect mode, use change RAM 
bank to do RAM Quick Sizing
28DEBUG_RAM_PROT_ENTRY_1Memory protected mode entered safely...