C1 Memory presence OEM Specific-Test to size on-board
test memory
C5 Early Shadow OEM Specific-Early Shadow enable for
fast boot.
C6 Cache presence External cache size detection
test
08 Setup low memory Early chip set initialization
Memory presence test
OEM chip set routines
Clear low 64K of memory
Test first 64K memory.
09 Early Cache Cyrix CPU initialization
Initialization Cache initialization
0 A Setup Interrupt Initialize first 120 interrupt
Vector Table vectors with SPURIOUS_INT_HDLR and
initialize INT 00h-1Fh according to
INT_TBL
0B Test CMOS RAM Test CMOS RAM Checksum, if bad, or
Checksum
insert key pressed, load defaults.
0C Initialize
Detect type of keyboard controller
keyboard (optional)
Set NUM_LOCK status.
0D Initialize Video Detect CPU clock.
Interface
Read CMOS location 14h to find out type
of video in use.
Detect and Initialize Video Adapter.
0E Test Video Test video memory, write sign-on
Memory message to screen.
Setup shadow RAM - Enable shadow
according to Setup.
0F Test DMA BIOS checksum test.
Controller 0 Keyboard detect and initialization
10 Test DMA
Controller 1
11 Test DMA Page Test DMA Page Registers.
Registers
12-13 Reserved
3303955 User's Manual
51
Summary of Contents for 3303955
Page 1: ...User s Manual Single Board Computer 3303955 Version 1 1 June 2001 ...
Page 10: ...Board Layout Front VT82C596B S o u th b rid g e 1 4 3 1 8 6 3303955 User s Manual ...
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