MiTAC 7521 PLUS/N User Manual
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7521
7521
Plus / N N/B MAINTENANCE
Plus / N N/B MAINTENANCE
7. Maintenance Diagnostics
7.2 Error Codes : Following is a list of error codes in sequent display on the PIO debug board.
SYSTEM SOFT BIOS:
CODE
DESCRIPTION
37h
Protected mode exit successful
38h
Update keyboard output port to disable gate of A20
39h
Setup cache controller
3Ah
Test if 18.2Hz periodic working
3Bh
Initialize BIOS data area at 40:0.
3Ch
Initialize the hardware interrupt vector tabl
3Dh
Search and init the Mouse
3Eh
Update num lock status
3Fh
OEM initialization of COMM and LPT ports
40h
Configure the COMM and LPT ports
41h
Initialize the floppies
42h
Initialize the hard disk
43h
OEM's init of PM with USB
44h
Initialize additional ROMs
45h
Update NUMLOCK status
46h
Test for coprocessor installed
47h
OEM's init of power management, (check SMI)
48h
OEM functions before boot (PCMCIA, CardBus)
49h
Dispatch to operation system boot
4Ah
Jump into bootstrap code