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Avalue EPI-LX800 User Manual

Page 104

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EPI-LX800 Series

104 EPI-LX800 Series User’s Manual

40.2 Quick POST Codes

Code (hex)

Name

Description

65

Init onboard device

Early Initialized the super IO. Reset Video controller. Keyboard

controller init

Test the Keyboard Initialized the mouse Onboard audio controller

initialize if exist. Check the intergraty of the ROM, BIOS and

message Check Flash type and copy flash write/erase routines to

0F000h segments Check Cmos Circuitry and reset CMOS

Program the chipset registers with CMOS values Init onboard

clock generator

66

Early Sytem setup

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

interrupt vectors with SPURIOUS_INT_HDLR and 10 initialize

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

CPU onboard. Re-init KB If support HPM, HPM get initialized

here.

67

KBC and CMOS Init

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

load CMOS defaults and load into chipset. Final Initial KBC and

setup BIOS data area.

68

Video Init

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

and Initialize Video Adapter. Test video memory, write sign-on

message to screen. Setup shadow RAM - Enable shadow

according to Setup.

69

8259 Init

Init 8259 channel 1 and mask IRQ 9

6A

Memory test

Quick Memory Test

6B

CPU Detect and IO init

CPU vendor specific version string and turn on all necessary CPU

features Display PnP logo and PnP early init Setup virus protect

according to Setup. If required, will auto load Awdflash.exe in

POST Initializing onboard superIO

6C Reserved

6D Reserved

6E Reserved

6F Reserved

70

Setup Init

Display setup message and enable setup functions Detect if

mouse is present, initialize mouse, install interrupt vectors.

Special treatment to PS2 Mouse port ACPI sub-system initializing

71

Setup Cache Controller Initialize cache controller.