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POST code checkpoints
The POST code checkpoints are the largest set of checkpoints
during the BIOS pre-boot process. The following table describes
the type of checkpoints that may occur during the POST portion
of the BIOS
.
Checkpoint Code
Description
03
Disable NMI, Parity, video for EGA, and DMA control-
lers. Initialize BIOS, POST, and Runtime data area.
Also initialize BIOS modules on POST entry and GPNV
area.
Initialized CMOS as mentioned in the Kernel Variable
"wCMOSFlags."
04
Check CMOS diagnostic byte to determine if battery
power is OK and CMOS checksum is OK. Verify CMOS
checksum manually by reading storage area.
If the CMOS checksum is bad, update CMOS with
power-on default values and clear passwords. Initial-
ize status register A.
Initializes data variables that are based on CMOS
setup questions.
Initializes both the 8259 compatible PICs in the sys-
tem
05
Initializes the interrupt controlling hardware (gener-
ally PIC) and interrupt vector table.
06
Do R/W test to CH-2 count reg. Initialize CH-0 as sys-
tem timer. Install the POSTINT1Ch handler. Enable
IRQ-0 in PIC for system timer interrupt. Traps INT1Ch
vector to "POSTINT1ChHandlerBlock."
08
Initializes the CPU. The BAT test is being done on
KBC.
Program the keyboard controller command byte is
being done after Auto detection of KB/MS using AMI
KB-5.
C0
Early CPU Init Start -- Disable Cache - Init Local APIC
C1
Set up boot strap processor Information
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Содержание G310 Altos
Страница 1: ...Acer Altos G310 User s guide ...
Страница 10: ...Contents x ...
Страница 11: ...1 System information ...
Страница 18: ...1 System information 8 ...
Страница 19: ...2 System tour ...
Страница 32: ...2 System tour 22 ...
Страница 33: ...3 Getting Started ...
Страница 34: ...This chapter gives information on setting up and starting to use your system ...
Страница 46: ...3 Getting Started 36 ...
Страница 47: ...4 Configuring the system ...
Страница 90: ...4 Configuring the system 80 ...
Страница 91: ...5 BIOS setup ...
Страница 124: ...5 BIOS setup 114 ...
Страница 125: ...Appendix A Management software installation ...
Страница 126: ...This appendix shows you how to install the ASM and EasyBUILDTM software packages ...
Страница 130: ...Appendix A Management software installation 120 ...