43
5
Blank video
Reset Video controller
6
Reserved
7
Init KBC
Keyboard controller init
8
KB test
Test the Keyboard
9
Reserved
A
Mouse Init
Initialized the mouse
B
Onboard Audio init Onboard audio controller initialize if
exist
C
Reserved
D
Reserved
E
CheckSum Check
Check the intergraty of the ROM,BIOS and
message
F
Reserved
10
Auto detec EEPROM
Check Flash type and copy flash
write/erase routines to 0F000h segments
11
Reserved
12
Cmos Check
Check Cmos Circuitry and reset CMOS
13
Reserved
14
Chipset Default
load
Program the chipset registers with CMOS
values
15
Reserved
16
Clock Init
Init onboard clock generator
17
Reserved
18
Identify the CPU
Check the CPU ID and init L1/L2 cache
19
Reserved
1A
Reserved
1B
Setup Interrupt
Vector Table
Initialize first 120 interrupt
vectors with SPURIOUS_INT_HDLR and
initialize
INT 00h-1Fh according to INT_TBL
1C
Reserved
1D
Early PM Init
First step initialize if single CPU onboard
1E
Reserved
1F
Re-initial KB
Re-init KB
20
Reserved
21
HPM init
If support HPM, HPM get initialized here
22
Reserved
23
Test CMOS Interface
and Battery Status
Verifies CMOS is working correctly,
detects bad battery. If failed, load CMOS
defaults and load into chipset
24
Reserved
25
Reserved
26
Reserved
27
KBC final Init
Final Initial KBC and setup BIOS data area
28
Reserved
29
Initialize Video
Interface
Read CMOS location 14h to find out type of
video in use.
Detect and Initialize Video Adapter.
2A
Reserved
2B
Reserved
2C
Reserved
2D
Video memory test
Test video memory, write sign-on
message to screen.
2E
Reserved
Setup shadow RAM - Enable shadow
according to Setup.
2F
Reserved
30
Reserved
31
Reserved