Acer Aspire 8930q Service Guide

							Chapter 475
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 system.
System board
Previous boot incomplete - Default 
configuration usedRun “Load Default Settings” in BIOS Setup 
Utility.
RTC battery
System board
Memory size found by POST differed from 
CMOSRun “Load Default Settings” in BIOS Setup 
Utility.
DIMM
System board
Diskette drive A error Check the drive is defined with the proper 
diskette type in BIOS Setup Utility
See “External Diskette Drive Check” on page 
70. 
Incorrect Drive A type - run SETUP Check the drive is defined with the proper 
diskette type in BIOS Setup Utility
System cache error - Cache disabled System board
CPU ID: System board
DMA Test Failed DIMM
System board
Software NMI Failed DIMM
System board
Fail-Safe Timer NMI Failed DIMM
System board
Device Address Conflict Run “Load Default Settings” in BIOS Setup 
Utility.
RTC battery
System board
Allocation Error for device Run “Load Default Settings” in BIOS Setup 
Utility.
RTC battery
System board
Failing Bits: nnnn DIMM
BIOS ROM
System board
Fixed Disk n None
Invalid System Configuration Data BIOS ROM
System board
Error MessagesFRU/Action in Sequence 
						

							76Chapter 4
Error Message List
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 page 
71. 
Ensure every connector is connected tightly 
and correctly. 
Reconnect the DIMM.
LED board.
System board.
No beep, power-on indicator turns on and LCD 
is blank.Power source (battery pack and power 
adapter). See “Power System Check” on page 
71. 
Reconnect the LCD connector
Hard disk drive
LCD inverter ID
LCD cable
LCD Inverter
LCD
System board
No beep, power-on indicator turns on and LCD 
is blank. But you can see POST on an external 
CRT. Reconnect the LCD connectors.
LCD inverter ID
LCD cable 
LCD inverter
LCD
System board
No beep, power-on indicator turns on and a 
blinking cursor shown on LCD during POST.Ensure every connector is connected tightly 
and correctly.
System board
No beep during POST but system runs 
correctly.Speaker
System board
Error MessagesFRU/Action in Sequence 
						

							Chapter 477
InsydeH2O Post Codes
Sec:
NO_EVICTION_MODE_DEBUG EQU 1 (CommonPlatform\sec\Ia32\SecCore.inc)
Memory:
DEBUG_BIOS EQU 1 (Chipset\Alviso\MemoryInitAsm\IA32\IMEMORY.INC)
CodePOST Routine Description
0xC2 MTRR setup
0xC3 Enable cache
0xC4 Establish cache tags
0xC5 Enter NEM, Place the BSP in No Fill mode, set CR0.CD = 1, CR0.NW = 0
0xCF Cache Init Finished
CodePOST Routine Description
0xA0 First memory check point
0x01 Enable MCHBAR
0x02 Check for DRAM initialization interrupt and reset fail
0x03 Verify all DIMMs are DDR or DDR2 and unbuffered
0x04 Detect an improper warm reset and handle
0x05 Detect if ECC SO-DIMMs are present in the system
0x06 Verify all DIMMs are single or double sided and not asymmetric
0x07 Verify all DIMMs are x8 or x16 width
0x08 Find a common CAS latency between the DIMMS and the MCH
0x09 Determine the memory frequency and CAS latency to program
0x10 Determine the smallest common TRAS for all DIMMs
0x11 Determine the smallest common TRP for all DIMMs
0x12 Determine the smallest common TRCD for all DIMMs
0x13 Determine the smallest refresh period for all DIMMs
0x14 Verify burst length of 8 is supported by all DIMMs
0x15 Determine the smallest tWR supported by all DIMMs
0x16 Determine DIMM size parameters
0x17 Program the correct system memory frequency
0x18 Determine and set the mode of operation for the memory channels
0x19 Program clock crossing registers
0x20 Disable Fast Dispatch
0x21 Program the DRAM Row Attributes and DRAM Row Boundary registers
0x22 Program the DRAM Bank Architecture register
0x23 Program the DRAM Timing & and DRAM Control registers
0x24 Program ODT
0x25 Perform steps required before memory init
0x26Program the receive enable reference timing control register
Program the DLL Timing Control Registers , RCOMP settings
0x27 Enable DRAM Channel I/O Buffers 
						

							78Chapter 4
BDS & Specific action:
0x28 Enable all clocks on populated rows
0x29 Perform JEDEC memory initialization for all memory rows
0x30
0x31Perform steps required after memory init
Program DRAM throttling and throttling event registers
0x32 Setup DRAM control register for normal operation and enable
0x33 Enable RCOMP
0x34 Clear DRAM initialization bit in the SB
0x35 Initialization Sequence Completed, program graphic clocks
0xAF Disable access to the XMM registers
CodePOST Routine Description
0x00 Report the legacy boot is happening
0x12 Wake up the APs
0x13 Initialize SMM Private Data and relocate BSP SMBASE
0x21
0x27PC init begin at the stage1
Report every memory range do the hard ware ECC init
0x28 Report status code of every memory range
0x50 Get the root bridge handle
0x51 Notify pci bus driver starts to program the resource
0x58 Reset the host controller
0x5A IdeBus begin initialization
0x70 Simple Text Output Protocol Functions(VGA class reset)
0x71 Report that VGA Class driver is being disabled
0x72 Report that VGA Class driver is being enabled
0x78 Terminal Console In reset and Console Out reset
0x79 Report that the remote terminal is being disabled
0x7A Report that the remote terminal is being enabled
0x90 Keyboard reset
0x91 USB Keyboard disable
0x92 Keyboard detection
0x93 Report that the usb keyboard is being enabled
0x94 Clear the keyboard buffer
0x95 Init Keyboard
0x98 Mouse reset
0x99
0x9AMouse disable
Detect PS2 mouse
0x9B Report that the mouse is being enabled
0xB8 Peripheral removable media reset(ex:IsaFloppy, USB device)
0xB9 Peripheral removable media disable
0xBB Peripheral removable media enable
0xE4 Report Status Code here for DXE_ENTRY_POINT once it is available
0xF8 Report that ExitBootServices() has been called
CodePOST Routine Description 
						

							Chapter 479
Each PEIM entry point used in 80_PORT:
Each Driver entry point used in 80_PORT:
0xF9 Runtime driver set virtual address map
CodePOST Routine Description
0x00
0x01 PEI_EVENT_LOG
0x02 PEI_OEM_SERVICE
0x03 PEI_SIO_INIT
0x04 PEI_MONO_STATUS_CODE
0x05 PEI_CPU_IO_PCI_CFG
0x06 PEI_CPU_IO
0x07 PEI_PCI_CFG
0x08 PEI_CPU_PEIM
0x09 PEI_PLATFORM_STAGE1
0x0A PEI_VARIABLE
0x0B
0x0CPEI_SB_INIT
PEI_CAPSULE
0x0D PEI_PLATFORM_STAGE2
0x0E PEI_SB_SMBUS_ARP_DISABLED
0x0F PEI_HOST_TO_SYSTEM
0x10 PEI_MEMORY_INIT
0x11 PEI_S3_RESUME
0x12 PEI_CLOCK_GEN
0x13 PEI_OP_PRESENCE
0x14 PEI_TPM_TCG
0x15 PEI_FIND_FV
0x16 PEI_H2O_DEBUG_IO
0x17 PEI_H2O_DEBUG_COMM
0x18 PEI_SMM_CONTROL
0x19~0x1F PEI_RESERVED
0x20~0x2E PEI_OEM_DEFINED
0x2F PEI_DXE_IPL
CodePOST Routine Description
0x30 RESERVED
0x31 DXE_CRC32_SECTION_EXTRACT
0x32 SCRIPT_SAVE
0x33 ACPI_S3_SAVE
0x34 SMART_TIMER
0x35 JPEG_DECODER
0x36 PCX_DECODER
0x37 HT_CPU / MP_CPU
CodePOST Routine Description 
						

							80Chapter 4
0x38 LEGACY_METRONOME
0x39 FTWLITE
0x3A RUN_RIME
0x3B MONOTONIC_COUNTER
0x3C WATCH_DOG_TIMER
0x3D SECURITY_STUB
0x3E DXE_CPU_IO
0x3F CF9_RESET
0x40 PC_RTC
0x41 STATUS_CODE
0x42 VARIABLE
0x43 EMU_VARIABLE
0x44 DXE_CHIPSET_INIT
0x45 DXE_ALERT_FORMAT
0x46 PCI_HOST_BRIDGE
0x47 PCI_EXPRESS
0x48 DXE_SB_INIT
0x49 IDE_CONTROLLER
0x4A
0x4BSATA_CONTROLLER
SB_SM_BUS
0x4C ISA_ACPI_DRIVER
0x4D ISA_BUS
0x4E ISA_SERIAL
0x4F IDE_BUS
0x50 PCI_BUS
0x51 BOOT_PRIORITY
0x52 FVB_SERVICE
0x53 ACPI_PLATFORM
0x54 PCI_HOT_PLUG
0x55 DXE_PLATFORM
0x56 PLATFORM_IDE
0x57 SMBIOS
0x58 MEMORY_SUB_CLASS
0x59 MISC_SUB_CLASS
0x5A CON_PLATFORM
0x5B SAVE_MEMORY_CONFIG
0x5C ACPI_SUPPORT
0x5D CON_SPLITTER_UGA_VGA / CON_SPLITTER
0x5E VGA_CLASS
0x5F DATA_HUB
0x60 DISK_IO
0x61
0x62MEMORY_TEST
CRISIS_RECOVERY
CodePOST Routine Description 
						

							Chapter 481
0x63 LEGACY_8259
0x64 LEGACY_REGION
0x65 LEGACY_INTERRUPT
0x66 BIOS_KEYBOARD
0x67 BIOS_VEDIO
0x68 MONITER_KEY
0x69 LEGACY_BIOS
0x6A LEGACY_BIOS_PLATFORM
0x6B PCI_PLATFORM
0x6C ISA_FLOOPY
0x6D PS2_MOUSE
0x6E USB_BOT
0x6F USB_CBI0
0x70 USB_CBI1
0x71 USB_KB
0x72 USB_MASS_STORAGE
0x73 BUS_PCI_UHCI
0x74 USB_MOUSE
0x75 USB_BUS
0x76 SETUP_UTILITY
0x77 FW_BLOCK_SERVICE
0x78
0x79USB_LEGACY_PLATFORM
GRAPHICS_CONSOLE
0x7A TERMINAL
0x7B DATA_HUB_STD_ERR
0x7C FAT
0x7D PARTITION
0x7E ENGLISH
0x7F FRENCH
0x80 HII_DATABASE
0x81 SETUP_BROWSER
0x82 OEM_SETUP_BROWSER
0x83 OEM_BADGING_SUPPORT
0x84 LEGACY_MOUSE
0x85 BIOS_SNP16
0x86 BUS_PCI_UNDI
0x87 SETUP_MOUSE
0x88 OEM_SETTING
0x89 MONITOR_KEY
0x8A PLATFORM_BDS
0x8B FAULT_TOLERANT_WRITE
0x8C UPDATE_DISPATCHER
0x8D CHINESE
CodePOST Routine Description 
						

							82Chapter 4
Each SmmDriver entry point used in 80_PORT:
0x8E TPM_S3_Resume
0x8F
0x90USB_EHCI
SNP_32_64
0x91 PXE_BC
0x92 PXE_DHCP4
0x93 EBC
0x94~0x9F RESERVED
0xA0 DXE_H2O_DEBUG_IO
0xA1 DXE_H2O_DEBUG_IO
0xA2 DXE_TPM_TCG
0xA3 DXE_TPM_PHYSICAL_PRESENCE
0xA4 DXE_OEM_SERVICE
0xA5 DXE_EVENT_LOG
0xA6
0xA7DXE_ SECURITY_HDD_PASSWORD_SERVICE
DXE_LAN_ASF_INIT
0xA8 DXE_BUS_PCI_SERIAL
0xA9 DXE_LAN_IDER_CONTROLLER
0xAA DXE_LAN_AMT
0xAB DXE_ SECURITY_SYSTEM_PASSWORD_SERVICE
0xAC DXE_ SECURITY_ PASSWORD_CONSOLE
0xAD DXE_ DATA_HUB_RECORD_POLICY
0xAE DXE_TPM_DRIVER
0xAF RESERVED
0xB0
0xB1JAPANESE
DXE_UNICODE_COLLACTION
CodePOST Routine Description
0xC0 SMM_ACCESS
0xC1 SMM_CONTROL
0xC2 SMM_BASE
0xC3 SMMAP
0xC4 SMMCORE
0xC5 SMM_DISPATCH
0xC6 SMM_START
0xC7 SMM_RUNTIME
0xC8 SB_SMM_DISPATCH
0xC9 SMM_THUNK
0xCA SMM_ACPI_SW_CHILD
0xCB SMM_SB_S3_SAVE
0xCC SMM_PLATFORM
0xCD
0xCESMM_GMCH_MBI
SMM_FW_BLOCK_SERVICE
CodePOST Routine Description 
						

							Chapter 483
0xCF SMM_VARIABLE
0xD0 SMM_IHISI
0xD1 SMM_INT15_MICROCODE
0xD2 SMM_PNP
0xD3 SMM_USB_LEGACY
0xD4 SMM_INT13_HDD
0xD5 SMM_INIT_PPM
0xD6 SMM_OHCI1394
0xD7 SMM_ SECURITY_HDD_PASSWORD_SERVICE
0xD8 SMM_OEM_SERVICE
0xD9 SMM_PPM
0xDA SMM_DIGITAL_THERMAL_SENSOR
CodePOST Routine Description 
						

							84Chapter 4
Index of Symptom-to-FRU Error Message
LCD-Related Symptoms
Indicator-Related Symptoms
Power-Related Symptoms
Symptom / ErrorAction in Sequence
LCD backlight doesnt work
LCD is too dark
LCD brightness cannot be adjusted
LCD contrast cannot be adjustedEnter BIOS Utility to execute “Load Setup 
Default Settings”, then reboot system.
Reconnect the LCD connectors.
Keyboard (if contrast and brightness function 
key doesnt work).
LCD inverter ID
LCD cable
LCD inverter
LCD
System board
Unreadable LCD screen 
Missing pels in characters
Abnormal screen 
Wrong color displayedReconnect the LCD connector
LCD inverter ID
LCD cable
LCD inverter
LCD
System board
LCD has extra horizontal or vertical lines 
displayed.LCD inverter ID
LCD inverter
LCD cable
LCD
System board
Symptom / ErrorAction in Sequence
Indicator incorrectly remains off or on, but 
system runs correctlyReconnect the inverter board
Inverter board
System board
Symptom / ErrorAction in Sequence
Power shuts down during operation Power source (battery pack and power 
adapter). See “Power System Check” on page 
71. 
Battery pack
Power adapter
Hard drive & battery connection board
System board
The system doesn’t power-on. Power source (battery pack and power 
adapter). See “Power System Check” on page 
71. 
Battery pack
Power adapter
Hard drive & battery connection board
System board