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User’s Manual
ESM-2850 User’s Manual
83
Code (hex) Name Description
3 Early Superio Init Early Initialized the super IO
4 Reserved
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