Acer Aspire 5534 Service Guide

161Chapter 4
Wireless Function Failure
If the WLAN/WiMAX fails, perform the following actions one at a time to correct the problem. Do not replace a 
non-defective FRUs:
Start
Reconnect the
Antenna to  the
cardCheck Antenna to
WLAN/WiMAX C ard
Check AntennaSwap the Antenna
Check WLAN/Wi MAX
CardSwap WL AN/
WiMAX Card
Check Function BoardSwap Function
Board
Swap Mainboard
OK
OK
OK
OK
NG
NG
NG
NG 

Chapter 4162
Bluetooth Function Failure
If the Bluetooth fails, perform the following actions one at a time to correct the problem. Do not replace a non-
defective FRUs:
Easy Button Failure
If the Media Board fails, perform the following actions one at a time to correct the problem. Do not replace a 
non-defective FRUs:
Start
Reconnect the
cable to the
moduleCheck BT cable
connected
Check BT cableSwap the cable
Check BT ModuleSwap BT Module
Check Function BoardSwap Function
Board
Swap Mainboard
OK
OK
OK...

163Chapter 4
Thermal Unit Failure
If the Thermal Unit fails, perform the following actions one at a time to correct the problem. Do not replace a 
non-defective FRUs:
Start
Reconnect the
cable to the
MainboardCheck Fan pow er cable
Check FanSwap the Therm al
Module
CPU Heatink w ell
seat ed?Seat it well
Check CPUSwap CPU
Swap Mainboard
OK
OK
OK
OK
NG
NG
NG
NG 

Chapter 4164
External Mouse Failure
If an external Mouse fails, perform the following actions one at a time to correct the problem. 
1.Try an alternative mouse.
2.If the mouse uses a wireless connection, insert new batteries and confirm there is a good connection. See 
the mouse user manual.
3.If the mouse uses a USB connection, try an alternate USB port.
4.Try an alternative program to verify mouse operation. Reinstall the program experiencing mouse failure.
5.Restart the computer.
6.Remove any recently...

165Chapter 4
Undetermined Problems
The diagnostic problems does not identify which adapter or device failed, which installed devices are incorrect, 
whether a short circuit is suspected, or whether the system is inoperative. 
Follow these procedures to isolate the failing FRU (do not isolate non-defective FRU).
NOTE: Verify that all attached devices are supported by the computer.
NOTE: Verify that the power supply being used at the time of the failure is operating correctly. (See “Power On 
Issue” on...

Chapter 4166
POST Code Tables
These tables describe the POST codes and descriptions during the POST.
Sec
NO_EVICTION_MODE_DEBUG EQU 1 (CommonPlatform\sec\Ia32\SecCore.inc)
Memory
DEBUG_BIOS equ 1 (Chipset\Alviso\MemoryInitAsm\IA32\IMEMORY.INC)
Post CodeDescription
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
Post CodeDescription
0xA0 First memory check point
0x01 Enable MCHBAR
0x02 Check for...

167Chapter 4
DLL Timing Control Registers, RCOMP settings
Post CodeDescription
0x27 Enable DRAM Channel I/O Buffers
0x28 Enable all clocks on populated rows
0x29 Perform JEDEC memory initialization for all memory rows
0x30 Perform steps required after memory init
0x31 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...

Chapter 4168
BDS & Specific action:
Each PEIM entry point used in 80_PORT
Post CodeDescription
0x00 Report the legacy boot is happening
0x12 Wake up the Aps
0x13 Initialize SMM Private Data and relocate BSP SMBASE
0x21 PC init begin at the stage1
0x27 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
0x79...

169Chapter 4
Each Driver entry point used in 80_PORT0xA8 PEI_SB_INIT
0x0C PEI_CAPSULE
0xAA PEI_PLATFORM_STAGE2
0xAC PEI_SB_SMBUS_ARP_DISABLED
0x0F PEI_HOST_TO_SYSTEM
0x40 PEI_MEMORY_INIT
0x41 PEI_S3_RESUME
0xAD PEI_CLOCK_GEN
0xAB PEI_OP_PRESENCE
0xAE PEI_FIND_FV
0x16 PEI_H2O_DEBUG_IO
0x17 PEI_H2O_DEBUG_COMM
0x16~0x1F PEI_RESERVED
0x20~0x2E PEI_OEM_DEFINED
0xAF PEI_DXE_IPL
Post CodeDescription
0x30 RESERVED
0xB6 DXE_CRC32_SECTION_EXTRACT
0xB8 SCRIPT_SAVE
0xB9 ACPI_S3_SAVE
0xBA SMART_TIMER
0xBB...

Chapter 4170
0xDB SATA_CONTROLLER
0xDD SB_SM_BUS
0xE7 ISA_ACPI_DRIVER
0xE8 ISA_BUS
0xE9 ISA_SERIAL
0xED BUS_PCI_UNDI
0xEC PCI_BUS
0xF6 BOOT_PRIORITY
0xF7 FVB_SERVICE
0xF8 ACPI_PLATFORM
0xFB PCI_HOT_PLUG
0xFC DXE_PLATFORM
0xFD PLATFORM_IDE
0x97 SMBIOS
0x98 MEMORY_SUB_CLASS
0x99 MISC_SUB_CLASS
0x82 CON_PLATFORM
0x83 SAVE_MEMORY_CONFIG
0x84 ACPI_SUPPORT
0x85 CON_SPLITTER_UGA_VGA / CON_SPLITTER
0x88 VGA_CLASS
0x89 DATA_HUB
0x60 DISK_IO
0x8B MEMORY_TEST
0x62 CRISIS_RECOVERY
0x8D LEGACY_8259
0x8E...