AMD 790GX, SB750 user manual Quick Post Codes

94	Final Init	Final init for last micro details
		before boot
95	Special KBC patch	Set system speed for boot
		Setup NumLock status according to
		Setup
96	Boot Attempt	Set low stack
		Boot via INT 19h.
FF	Boot

Quick POST Codes

Code(hex) Name Description

65Init 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	Detect CPU speed and display
	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
		55