4-32
Troubleshooting
0xB5
Fade out OEM Logo or post string
0xC5
End hotkey detection (Server BIOS)
0xBE
If BCP option is enabled, clear the screen before booting.
0xB6
If password on boot is enabled, a call is made to Setup to
check password. If the user does not enter a valid
password, Setup does not return.
0xBC
Clear parity-error latch
0xB7
Initialize ACPI BIOS.
0x9B
Enable CPU management (Geyserville I)
0xBD
Display Boot First menu if MultiBoot is installed and hotkey
pressed.
0xBF
Check virus and backup reminders.
0x97
Create pointer to MP table in Extended BDA.
0x99
Check support status for Self-Monitoring Analysis
Reporting Technology (disk-failure warning).
0xB1
Unload ROM Pilot
0xDD
Perform remote flash if requested
0xC7
If UCR redirection is installed, remove display manager
and unhookINT10
0XDF
Shutdown the PXE UNDI code
0xB3
Store enhanced CMOS values in non-volatile area
0xE4
Last Legacy BIOS Task before hand off to UEFI/DXE
0xB9
Clear all screen graphics before booting.
0xC0
INT19 entry for legacy boot
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 ...