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Table 6.4.
POST Codes < 4 / 5 >
POST
(hex)
66h
Reserved
67h
Prepare memory size information for function call: INT 15h ax=E820h
68h
Reserved
69h
Turn on L2 cache
6Ah
Reserved
6Bh
Program chipset registers according to items described in Setup & Auto-configuration table.
6Ch
Reserved
Assign resources to all ISA PnP devices.
6Dh
Auto assign ports to onboard COM ports if the corresponding item in Setup is set to "AUTO".
6Eh
Reserved
Initialize floppy controller
6Fh
Set up floppy related fields in 40:hardware.
70h
Reserved
71h
Reserved
72h
Reserved
(Optional Feature)
Enter AWDFLASH.EXE if :
73h
-AWDFLASH is found in floppy drive.
-ALT+F2 is pressed
74h
Reserved
75h
Detect & install all IDE devices: HDD, LS120, ZIP, CDROM.....
76h
Reserved
77h
Detect serial ports & parallel ports.
78h
Reserved
79h
Reserved
7Ah
Detect & install co-processor
7Bh
Reserved
7Ch
Reserved
7Dh
Reserved
7Eh
Reserved
Switch back to text mode if full screen logo is supported.
-If errors occur, report errors & wait for keys
7Fh
-If no errors occur or F1 key is pressed to continue:
Clear EPA or customization logo.
80h
Reserved
81h
Reserved
Call chipset power management hook.
82h
Recover the text fond used by EPA logo (not for full screen logo)
If password is set, ask for password.
83h
Save all data in stack back to CMOS
84h
Initialize ISA PnP boot devices
USB final Initialization
NET PC: Build SYSID structure
Switch screen back to text mode
Set up ACPI table at top of memory.
85h
Invoke ISA adapter ROMs
Assign IRQs to PCI devices
Initialize APM
Clear noise of IRQs.
BX710 series User's Manual
Description
6. Appendix
117
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