HP Vectra XE320 Technical Reference Manual page 39

Checkpoint
Code
8D Going for hard disk controller reset.
8F Hard disk controller reset done. Floppy setup to be done next.
91 Floppy setup complete. Hard disk setup to be done next.
95 Init of different BUSes optional ROMs from C800 to start.
96 Going to do any init before C800 optional ROM control.
97 Any init before C800 optional ROM control is over. Optional ROM check and control will be done next.
98 Optional ROM control is done. About to give control to do any required processing after optional ROM returns control
and enable external cache.
99 Any initialization required after optional ROM test over. Going to setup timer data area and printer base address.
9A Return after setting timer and printer base address. Going to set the RS-232 base address.
9B Returned after RS-232 base address. Going to do any initialization before Coprocessor test.
9C Required initialization before Coprocessor is over. Going to initialize the Coprocessor next.
9D Coprocessor initialized. Going to do any initialization after Coprocessor test.
9E Initialization after Coprocessor test is complete. Going to check extd keyboard, keyboard ID and num-lock.
A2 Going to display any soft errors.
A3 Soft error display complete. Going to set keyboard typematic rate.
A4 Keyboard typematic rate set. To program memory wait states.
A5 Going to enable parity/NMI.
A7 NMI and parity enabled. Going to do any initialization required before giving control to optional ROM at E000.
A8 Initialization before E000 ROM control over. E000 ROM to get control next.
A9 Returned from E000 ROM control. Going to do any initialization required after E000 optional ROM control.
AA Initialization after E000 optional ROM control is over. Going to display the system configuration.
AB To build MP table if needed.
AC To uncompress DMI data and execute DMI POST init.
B0 System configuration is displayed.
B1 Going to copy any code to specific area.
00 Copying of code to specific area done. Going to give control to INT-19 boot loader.
POST Routine Description
BIOS Overview
XE320 product description 39