DFI G486-EVA, Руководство пользователя

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G486-EVA
POST (hex)
BE
C1
C5
C6
8
9
A
B
C
D
E
Name
Chipset default
initialization
Memory presence
test
Early shadow
Cache presence
test
Setup low memory
Early cache
initialization
Setup interrupt
vector table
Test CMOS RAM
checksum
Initialize keyboard
Initialize video
interface
Test video
memory
Description
Program chipset registers with power on
BIOS defaults.
OEM Specific-Test to size on-board
memory.
OEM Specific-Early Shadow enable for
fast boot.
External cache size detection.
Early chip set initialization.
Memory presence test.
OEM chip set routines.
Clear low 64K of memory.
Test first 64K memory.
Cyrix CPU initialization.
Cache initialization.
Initialize first 120 interrupt vectors with
SPURIOUS_INT_HDLR and initialize
INT 00h-1Fh according to INT_TBL.
Test CMOS RAM checksum, if bad, or
insert key pressed, load defaults.
Detect type of keyboard controller
(optional).
Set NUM_LOCK status.
Detect CPU clock.
Read CMOS location 14h to find out
type of video in use.
Detect and initialize video adapter.
Test video memory, write sign-on
message to screen.
Setup shadow RAM - Enable shadow
according to Setup.
Appendix B
u
B-2