Advantech AIMB-250 user manual User’s Manual

User’s Manual

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	Initialize first 120 interrupt vectors with SPURIOUS_INT_HDLR
	Table	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	Verifies CMOS is working correctly, detects bad battery. If failed,
	and battery Status	load CMOS defaults and load into chipset
24	Reserved

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