Troubleshooting
4-31
0x98
Search for option ROMs. Rom scan the area from C800h
for a length of BCP_ROM_Scan_Size (or to E000h by
default) on every 2K boundary, looking for add on cards
that need initialization.
LBT
Core
0x93
Build the MPTABLE for multi-processor boards
LBT
Core
0xD9
IPMI late init
0x9C
Set up Power Management. Initiate power -management
state machine.
0xC7
Late note dock init
0x9E
Enable hardware interrupts
0xA0
Setup time tick for current date/time
0xA2
Setup Numlock indicator. Display a message if key switch
is locked.
0xA4
Initialize typematic rate
0xDB
StrongROM Test
0xE2
OEM security key test
0xC2
Write PEM errors.
0xBA
Initialize the SMBIOS header and sub-structures.
0xC3
Display PEM errors.
0xA8
Overwrite the "Press F2 for Setup" prompt with spaces,
erasing it from the screen.
0xAA
Scan the key buffer to see if the F2 key was struck after
keyboard interrupts were enabled. If an F2 keystroke is
found, set a flag.
0xE1
Start Periodic Timer (TC Subscribe)
0xAC
Check if "Enter SETUP" is pressed.
0x8F
Count the number of ATA drives in the system and update
the number in bdaFdiskcount.
0x91
Configure the local bus IDE timing register based on the
drives attached to it.
0x9F
Check the total number of Fast Disks (ATA and SCSI) and
update the bdaFdiskCount.
0xD7
Check if FirstWare HPA exists
0xAE
Clear ConfigFailedBit and InPostBit in CMOS.
0xB0
Check for errors and decide if needs to run Setup.
0xB2
Change status bits in CMOS and/or the TrustedCore data
area to reflect the fact that POST is complete.
Table 4-4.
POST Codes
POST Code
Function
Phase
Component
Summary of Contents for Aspire 4743
Page 1: ... Aspire 4743 4743G 4743Z 4743ZG SERVICEGUIDE ...
Page 10: ...10 ...
Page 11: ...CHAPTER 1 Hardware Specifications ...
Page 14: ...1 4 ...
Page 50: ...1 40 Hardware Specifications and Configurations ...
Page 51: ...CHAPTER 2 System Utilities ...
Page 70: ...2 20 System Utilities ...
Page 71: ...CHAPTER 3 Machine Maintenance ...
Page 74: ...3 4 ...
Page 82: ...3 12 Machine Maintenance 4 Lift the base door to remove Figure 3 9 Base Door ...
Page 85: ...Machine Maintenance 3 15 6 Detach the bracket from the HDD Figure 3 14 HDD Bracket ...
Page 87: ...Machine Maintenance 3 17 4 Pull the WLAN module out of the slot Figure 3 17 WLAN Module ...
Page 100: ...3 30 Machine Maintenance 6 Lift the speakers from the upper cover Figure 3 40 Speaker Cable ...
Page 106: ...3 36 Machine Maintenance 4 Lift the USB board from the lower cover Figure 3 50 USB Board ...
Page 174: ...3 104 Machine Maintenance ...
Page 175: ...CHAPTER 4 Troubleshooting ...
Page 207: ...CHAPTER 5 Jumper and Connector Locations ...
Page 215: ...CHAPTER 6 FRU List ...
Page 216: ...6 2 Aspire 4743 4743G 4743Z 4743ZG Exploded Diagrams 6 4 Main Assembly 6 4 LCD Assembly 6 5 ...
Page 234: ...6 20 FRU List ...
Page 235: ...CHAPTER 7 Model Definition and Configuration ...
Page 236: ...7 2 Aspire 4743 4743G 4743Z 4743ZG 7 3 ...
Page 270: ...7 36 Model Definition and Configuration ...
Page 338: ...7 104 Model Definition and Configuration ...
Page 339: ...CHAPTER 8 Test Compatible Components ...
Page 340: ...8 2 Microsoft Windows 7 Environment Test 8 4 ...
Page 351: ...CHAPTER 9 Online Support Information ...
Page 352: ...9 2 Introduction 9 3 ...
Page 354: ...9 4 Online Support Information ...