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130
Chapter 4
BEh Cle
ar screen (optional)
BFh
Check virus and backup reminders
C0h
Try to boot with INT 19
C1h Initial
ize POST Error Manager (PEM)
C2h Initial
ize error logging
C3h
Initialize error display function
Code
Beeps
POST Routine Description
C4h
Initialize system error handler
C5h
PnPnd dual CMOS (optional)
C6h
Initialize notebook docking (optional)
C7h
Initialize notebook docking late
C8h
Force check (optional)
C9h
Extended checksum (optional)
D2h Unkn
own interrupt
Code
Beeps
For Boot Block in Flash ROM
E0h Initial
ize the chipset
E1h Initial
ize the bridge
E2h Initial
ize the CPU
E3h
Initialize system timer
E4h
Initialize system I/O
E5h
Check force recovery boot
E6h
Checksum BIOS ROM
E7h G
o to BIOS
E8h Set
Huge Segment
E9h Initial
ize Multi Processor
EAh
Initialize OEM special code
EBh
Initialize PIC and DMA
ECh Initialize
Memory type
EDh Initialize
Memory size
EEh
Shadow Boot Block
EFh
System memory test
F0h
Initialize interrupt vectors
F1h
Initialize Run Time Clock
F2h Initial
ize video
F3h
Initialize System Management Mode
F4h
1
Output one beep before boot
F5h
Boot to Mini DOS
F6h Cle
ar Huge Segment
F7h
Boot to Full DOS
Code
Beeps
POST Routine Description
Содержание ASPIRE 4252
Страница 6: ...VI ...
Страница 10: ...X Table of Contents ...
Страница 56: ...46 Chapter 2 ...
Страница 101: ...Chapter 3 91 7 Replace the two 2 bezel screws Step Size Quantity Screw Type LCD Bezel Disassembly M2 5 2 0 2 ...
Страница 103: ...Chapter 3 93 3 Connect the speaker cable to the mainboard ...
Страница 106: ...96 Chapter 3 5 Connect the fan cable as shown ...
Страница 112: ...102 Chapter 3 Step Size Quantity Screw Type HDD Module M2 5 3 0 Ni 2 ...
Страница 174: ...164 Appendix B ...
Страница 176: ...166 Appendix C ...