i6
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
System
setup
Check the CPU ID and init L1/L2 cache
Initialize first 120 interrupt
vectors with SPURIOUS_INT_HDLR and
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
Detect CPU speed and display
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.
