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ErgoPro m664-series PC Specialist's Handbook
Page 5-8 Edition 1 - Release 1 - March 1998
Code Description of POST Operation
99h Check for SMART Drive
9Ah Shadow option ROMs
9Ch Set up power management
9Eh Enable hardware interrupts
9Fh Determine number of ATA and SCSI 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
B4h One short beep before boot
B5h Terminate QuietBoot
B6h Check password (optional)
B8h Clear global descriptor table
B9h Clean up all graphics
BAh Initialize DMI parameters
BBh Initialize PnP Option ROMs
BCh Clear parity checkers
BDh Display MultiBoot menu
BEh Clear screen (optional)
BFh Check virus and backup reminders
C0h Try to boot with INT 19
C1h Initialize POST Error Manager (PEM)
C2h Initialize error logging
C3h Initialize error display function
C4h Initialize system error handler