Filter
Top Products
EVGA Corporation 2900 Saturn St. Suite B, Brea, CA 92821
Phone: 888 / 881-EVGA - 714 / 528-4500 - Fax: 714 / 528-4501
Page 34
74 Detect & Initialize Math
Coprocessor
Initialize math coprocessor.
75 HDD Check for Write
protection
HDD check out
76 Reserved
77 Display POST error Check POST error and display them and ask for user intervention -
Ask password security (optional).
78 CMOS and Option ROM Init 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.
79 Reserved
7A Reserved
7B Reserved
7C Reserved
7D Boot Medium detection Read and store boot partition head and cylinders values in RAM
7E Final Init Final init for last micro details before boot
7F Special KBC patch Set system speed for boot, Setup NumLock status according to
Setup
80 Boot Attempt Set low stack Boot via INT 19h.
FF Boot
Code(hex) Name Description
1 Base memory test Clear base memory area (0000:0000--9000:ffffh)
5 KB init Initialized KBC
12 Install interrupt vectors Install int. vector (0-77), and initialized 00-1fh to their
proper place
0D Init Video Video initializing
41 Init FDD Scan floppy and media capacity for onboard superIO
FF Boot Load boot sector
BOOT BLOCK POST CODES
For a more detailed treatment of POST CODES, please see the POST
CODES PDF document that is located on your driver CD in the Manuals
section.