36
43
Detect & Initialize
Serial/Parallel Ports
Initialize any serial and parallel ports (also game
port).
44
Reserved
45
Detect & Initialize
Math Coprocessor
Initialize math coprocessor.
46
Reserved
47
Reserved
48-4D Reserved
4E
Manufacturing POST Loop
or Display Messages
Reboot if Manufacturing POST Loop pin is set.
Otherwise display any messages (i.e., any non-fatal
errors that were detected during POST) and enter
Setup.
4F
Security Check
Ask password security (optional).
50
Write CMOS
Write all CMOS values back to RAM and clear
screen.
51
Pre-boot Enable
Enable parity checker.
Enable NMI, Enable cache before boot.
52
Initialize Option ROMs
Initialize any option ROMs present from
C8OOOh to EFFFFh.
NOTE: When FSCAN option is enabled, will initialize
from C8OOOh to F7FFFh.
53
Initialize Time Value
Initialize time value in 40h:BIOS area.
60
Setup Virus Protect
Setup virus protect according to Setup.
61
Set Boot Speed
Set system speed for boot.
62
Setup Num Lock
Setup Num Lock status according to Setup.
63
Boot Attempt
Set low stack.
Boot via INT 19h.
B0
Spurious
If interrupt occurs in protected mode.
B1
Unclaimed NMI
If unmasked NMI occurs, display.
Press F1 to disable NMI, F2 reboot.
E1-EF Setup Pages
E1-Page 1, E2-Page 2, etc.
FF
Boot
