Table of Contents
Advertisement
GA-686DX
45
Detect & Initialize
Math Coprocessor
46
Reserved
47
Reserved
48-4D
Reserved
4E
Manufacturing
POST Loop or
Display Messages
4F
Security Check
50
Write CMOS
51
Pre-boot Enable
52
Initialize Option
ROMs
53
Initialize Time
Value
60
Setup Virus
Protect
61
Set Boot Speed
62
Setup NumLock
63
Boot Attempt
B0
Spurious
B1
Unclaimed NMI
E1-EF
Setup Pages
FF
Boot
Initialize math coprocessor.
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.
Ask password security (optional).
Write all CMOS values back to RAM and clear
screen.
Enable parity checker.
Enable NMI, Enable cache before boot.
Initialize any option ROMs present from C8000h to
EFFFFh.
F
When FSCAN option is enabled, will initialize
from C8000h to F7FFFh.
Initialize time value in 40h: BIOS area.
Setup virus protect according to Setup
Set system speed for boot
Setup NumLock status according to Setup
Set low stack.
Boot via INT 19h.
If interrupt occurs in protected mode.
If unmasked NMI occurs, display
Press F1 to disable NMI, F2 reboot.
E1 - Page 1, E2 - Page 2, etc.
B-4
Advertisement
Table of Contents
