Avalue EPI-LX800 User Manual
Page 106
EPI-LX800 Series
106 EPI-LX800 Series User’s Manual
40.3 S4 POST Codes
Code (hex)
Name
Description
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