Technical Information
8C
Video BIOS shadow successful.
Setup options programming after CMOS setup about to start.
8D
Setup options are programmed, mouse check and init
to be done next.
8E
Mouse check and initialization complete.
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.
94
Hard disk setup complete. To set base and extended memory size.
95
Memory size adjusted due to mouse support.
Init of different BUSes optional ROMs from C800 to start.
(Please see Appendix-I for details of different BUSes).
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.
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
Coprocesor 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.
9F
Extd keyboard check is done, ID flag set, num-lock on/off.
Keyboard ID command to be issued.
A0
Keyboard ID command issued. Keyboard ID flag to be reset.
A1
Keyboard ID flag reset. Cache memory test to follow.
A2
Cache memory test over. Going to display any soft errors.
A3
Soft error display complete. Going to set keyboard typematic rate.
POST (HEX) Description
A4
Keyboard typematic rate set. To program memory wait states.
A5
Memory wait states programming over.
Going to clear the screen and enable parity/NMI.
42