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4-28
Troubleshooting
0x24
Set segment-register addressability to 4 GB
LBT
Core
0xCC
Redirect Int 10h to enable target board to use a remote
serial video (PICO BIOS).
LBT
Core
0x8A
Initialize Extended BIOS Data Area and initialize the
mouse.
LBT
Core
0x9D
Initialize Security Engine.
LBT
Core
0x55
USB Initialization
LBT
Core
0x52
Verify keyboard reset.
LBT
Core
0x54
Initialize keystroke clicker if enabled in Setup.
LBT
Core
0x76
Check status bits for keyboard-related failures. Display
error messages on the screen.
LBT
Core
0x4A
Initialize all video adapters in system
LBT
Core
0x4C
Shadow video BIOS ROM if specified by Setup, and
CMOS is valid and the previous boot was OK.
LBT
Core
0x59
Register POST Display Services, fonts, and languages
with the POST Dispatch Manager.
LBT
Core
0x57
Initialize 1394 Firewire
LBT
Core
0xD6
Initialize PC card
LBT
Core
0x58
Test for unexpected interrupts. First do an STI for hot
interrupts. Secondly, test the NMI for an unexpected
interrupt. Thirdly, enable the parity checkers and read from
memory, checking for an unexpected interrupt.
LBT
Core
0x3F
ROMPolit memory init
LBT
Core
0xC4
Install the IRQ vectors (Sever Hotkey)
LBT
Core
0x7C
Initialize the hardware interrupt vectors from 08 to 0F and
from 70h to 77H. Also set the interrupt vectors from 60h to
66H to zero.
LBT
Core
0x41
ROM Pilot Init
LBT
Core
0x4B
Initialize QuietBoot if it is installed. Enable both keyboard
and timer interrupts (IRQ0 and IRQ1). If your POST tasks
require interrupts off, preserve them with a PUSHF and
CLI at the beginning and a POPF at the end.
LBT
Core
0xDE
Initialize and UNDI ROM (fro remote flash)
LBT
Core
0xC6
Initial and install console for UCR
LBT
Core
0x4E
Display copyright notice.
LBT
Core
0xD4
Get CPU branding string
LBT
Core
0x50
Display CPU type and speed
LBT
Core
Table 4-4.
POST Codes
POST Code
Function
Phase
Component
Содержание Aspire 4743Z
Страница 1: ...Aspire 4743 4743G 4743Z 4743ZG SERVICEGUIDE...
Страница 10: ...10...
Страница 11: ...CHAPTER 1 Hardware Specifications...
Страница 14: ...1 4...
Страница 32: ...1 22 Hardware Specifications and Configurations System Block Diagram Figure 1 10 System Block Diagram...
Страница 50: ...1 40 Hardware Specifications and Configurations...
Страница 51: ...CHAPTER 2 System Utilities...
Страница 70: ...2 20 System Utilities...
Страница 71: ...CHAPTER 3 Machine Maintenance...
Страница 74: ...3 4...
Страница 82: ...3 12 Machine Maintenance 4 Lift the base door to remove Figure 3 9 Base Door...
Страница 85: ...Machine Maintenance 3 15 6 Detach the bracket from the HDD Figure 3 14 HDD Bracket...
Страница 87: ...Machine Maintenance 3 17 4 Pull the WLAN module out of the slot Figure 3 17 WLAN Module...
Страница 95: ...Machine Maintenance 3 25 8 Open the connector latch then detach cable to remove keyboard Figure 3 30 Keyboard...
Страница 100: ...3 30 Machine Maintenance 6 Lift the speakers from the upper cover Figure 3 40 Speaker Cable...
Страница 106: ...3 36 Machine Maintenance 4 Lift the USB board from the lower cover Figure 3 50 USB Board...
Страница 113: ...Machine Maintenance 3 43 4 Remove the thermal module from the mainboard Figure 3 62 Thermal Module Screws...
Страница 136: ...3 66 Machine Maintenance 3 Secure the bezel with the two 2 screw covers Figure 3 102 LCD Bezel Screw Covers...
Страница 151: ...Machine Maintenance 3 81 3 Connect and lock the touchpad cable to the touchpad board Figure 3 128 Touchpad Cable...
Страница 156: ...3 86 Machine Maintenance 5 Connect the speaker cable to the power button board Figure 3 137 Speaker Cable...
Страница 172: ...3 102 Machine Maintenance Remove the Dummy Card 0 1 Insert the dummy card into the slot until it clicks into place...
Страница 174: ...3 104 Machine Maintenance...
Страница 175: ...CHAPTER 4 Troubleshooting...
Страница 207: ...CHAPTER 5 Jumper and Connector Locations...
Страница 208: ...2 2 Clearing Password Check and BIOS Recovery 5 5 Clearing Password Check 5 5 Performing a BIOS recovery 5 6...
Страница 215: ...CHAPTER 6 FRU List...
Страница 216: ...6 2 Aspire 4743 4743G 4743Z 4743ZG Exploded Diagrams 6 4 Main Assembly 6 4 LCD Assembly 6 5...
Страница 234: ...6 20 FRU List...
Страница 235: ...CHAPTER 7 Model Definition and Configuration...
Страница 236: ...7 2 Aspire 4743 4743G 4743Z 4743ZG 7 3...
Страница 270: ...7 36 Model Definition and Configuration...
Страница 338: ...7 104 Model Definition and Configuration...
Страница 339: ...CHAPTER 8 Test Compatible Components...
Страница 340: ...8 2 Microsoft Windows 7 Environment Test 8 4...
Страница 351: ...CHAPTER 9 Online Support Information...
Страница 352: ...9 2 Introduction 9 3...
Страница 354: ...9 4 Online Support Information...