HP Vectra VL400 - Manual (Page 54)

54
4 BIOS Overview
Order in Which the POST Tests are Performed
8Ch Initialize floppy controller
8Fh Determine number of ATA drives
90h Initialize hard disk controllers
91h Initialize local-bus hard disk controllers
92h Jump to UsersPatch2
93h Build MPTABLE for multi-processor boards
94h Disable A20 address line (Rel. 5.1 and earlier)
95h Install CD ROM for boot
96h Clear huge ES segment register
97h Fixup Multi Processor table
99h Check for SMART drive
9Ah Shadow option ROMs
9Ch Set up Power Management
9Eh Enable hardware interrupts
9Fh Determine number of ATA drives
A0h Set time of day
A2h Check key lock
A4h Initialize typematic rate
A8h Erase F2 prompt
AAh Scan for F2 key stroke
ACh Enter SETUP
AEh Clear IN POST flag
B0h Check for errors
B2h POST done - prepare to boot operating system
B5H Terminate QuietBoot
Checkpoint
Code
POST Routine Description