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Trinity i875P S5101
POST (hex)
67h:
Prepare memory size information for function call: INT 15h ax=E820h
69h:
Turn on L2 cache
6Bh:
Program chipset registers according to items described in Setup & Auto-
configuration table.
6Dh:
1. Assign resources to all ISA PnP devices.
2. Auto assign ports to onboard COM ports if the corresponding item in
Setup is set to "AUTO".
6Fh:
1. Initialize floppy controller
2. Set up floppy related fields in 40:hardware.
75h:
Detect & install all IDE devices: HDD, LS120, ZIP, CDROM.....
76h:
(Optional Feature)
Enter AWDFLASH.EXE if:
-AWDFLASH.EXE is found in floppy drive.
-ALT+F2 is pressed.
77h:
Detect serial ports & parallel ports.
7Ah:
Detect & install co-processor
7Ch:
Init HDD write protect.
7Fh:
Switch back to text mode if full screen logo is supported.
-If errors occur, report errors & wait for keys
-If no errors occur or F1 key is pressed to continue:
Clear EPA or customization logo.
E8POST.ASM starts
82h:
1. Call chipset power management hook.
2. Recover the text fond 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
85h:
1. USB final Initialization
2. Switch screen back to text mode
87h:
NET PC: Build SYSID Structure.
89h:
1. Assign IRQs to PCI devices
2. Set up ACPI table at top of the memory.
Appendix II: Post Error Code for BIOS
Description
Description
6-10
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