Boot Block Post Codes; Evga Corporation 2900 Saturn St. Suite B, Brea, Ca - EVGA nForce 4 User Manual

74 Detect & Initialize Math
Coprocessor
75 HDD Check for Write
protection
76 Reserved
77 Display POST error
78 CMOS and Option ROM Init
79 Reserved
7A Reserved
7B Reserved
7C Reserved
7D Boot Medium detection
7E Final Init
7F Special KBC patch
80 Boot Attempt
FF Boot

BOOT BLOCK POST CODES

Code(hex) Name
1 Base memory test
5 KB init
12 Install interrupt vectors
0D Init Video
41 Init FDD
FF Boot
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.

EVGA Corporation 2900 Saturn St. Suite B, Brea, CA 92821

Phone: 888 / 881-EVGA - 714 / 528-4500 - Fax: 714 / 528-4501
Initialize math coprocessor.
HDD check out
Check POST error and display them and ask for user intervention -
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.
Read and store boot partition head and cylinders values in RAM
Final init for last micro details before boot
Set system speed for boot, Setup NumLock status according to
Setup
Set low stack Boot via INT 19h.
Description
Clear base memory area (0000:0000--9000:ffffh)
Initialized KBC
Install int. vector (0-77), and initialized 00-1fh to their
proper place
Video initializing
Scan floppy and media capacity for onboard superIO
Load boot sector
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