AMD Socket AM2+ Quad Core Processor 790GX - Manual (Page 57)

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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
32 Reserved
33 PS2 Mouse setup Setup PS2 Mouse and reset KB
34 Reserved
35 Test DMA Controller
0 Test DMA channel 0
36 Reserved
37 Test DMA Controller
1 Test DMA channel 1
38 Reserved
39 Test DMA Page
Registers Test DMA Page Registers.
3A Reserved
3B Reserved