Appendix B: Post Codes
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47
Messages
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 C8000h to EFFFFh.
F
When FSCAN option is enabled, will initialize from C8000h
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 NumLock
Setup NumLock 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