Intel BLKD101GGCL Specification page 73

Desktop board
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Table 42.
Port 80h POST Codes (continued)
POST Code
Description of POST Operation
1.
Call chipset power management hook.
82h
2.
Recover the text used by EPA logo (not for full screen logo).
3.
If password is set, ask for password.
83h
Save all data in stack back to CMOS
84h
Initialize ISA PnP boot devices
1.
USB final Initialization
85h
2.
NET PC: Build SYSID structure
3.
Switch screen back to text mode
4.
Set up ACPI table at top of memory
5.
Invoke ISA adapter ROMs
6.
Assign IRQs to PCI devices
7.
Initialize APM
8.
Clear noise of IRQs
93h
Read hard disk drive boot sector information for Trend Anti-Virus code
1.
Enable L2 cache
94h
2.
Program boot up speed
3.
Chipset final initialization
4.
Power management final initialization
5.
Clear screen and display summary table
6.
Program P6 class write combining
1.
Program daylight savings time
95h
2.
Update keyboard LED and typematic rate
1.
Build MP table
96h
2.
Build and update ESCD
3.
Set CMOS century to 20h or 19h
4.
Load CMOS time into DOS timer tick
5.
Build MSIRQ routing table
FFh
Boot attempt (INT 19h)
E8POST.ASM starts
Error Messages and Beep Codes
73

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