Справочник Пользователя для Advantech AIMB-250

104 AIMB-250 Series User’s Manual 
 

 

5A 

Early Chipset Init 

Early Initialized the super IO.  Reset Video controller.  Keyboard 

controller init. Test the Keyboard Initilized the mouse 

5B 

Cmos Check 

Check Cmos Circuitry and reset CMOS 

5C 

Chipset default Prog 

Program the chipset registers with CMOS values. Init onboard 

clock generator 

5D 

Identify the CPU 

Check the CPU ID and init L1/L2 cache Initialize first 120 interrupt

vectors with SPURIOUS_INT_HDLR and INT 00h-1Fh according 

to INT_TBL. First step initialize if single CPU Onboard. Re-init KB

If support HPM, HPM get initialized Here. 

5E 

Setup Interrupt Vector 

Table 

Initialize first 120 interrupt vectors with SPURIOUS_INT_HDLR 

and INT 00h-1Fh according to INT_TBL. First step initialize if 

single CPU Onboard. Re-init KB If support HPM, HPM get 

initialized here. 

5F 

Test CMOS Interface 

and Battery status 

Verifies CMOS is working correctly, detects bad battery. If failed, 

load CMOS defaults and load into chipset. 

60 

KBC final Init 

Final Initial KBC and setup BIOS data area 

61 

Initialize Video Interface  Read CMOS location 14h to find out type of video in use. Detect 

and Initialize Video Adapter. 

62 

Video memory test 

Test video memory, write sign-on Test video memory, write 

sign-on message to screen. Setup shadow RAM - Enable 

shadow according to Setup. 

63 

Setup PS2 mouse and 

test DMA 

Setup PS2 Mouse and reset KB Test DMA channel 0 

64 

Test 8259 

Test 8259 channel 1 and mask IRQ 9 

65 

Init Boot Device 

Detect if mouse is present, initialize mouse, install interrupt 

vectors. Special treatment to PS2 Mouse port ACPI sub-system 

initializing Initialize cache controller. 

66 

Install Boot Devices 

Enter setup check and auto-configuration check up Initialize 

floppy disk drive controller and any drives. Install FDD and setup 

BIOS data area Parameters Initialize hard drive controller and 

any drives. IDE device detection and install 

67 

Cache Init 

Cache init and USB init 

68 

PM init 

PM initialization 

69 

PM final Init and issue 

SMI 

Final init Before resume 

FF Full 

on