postcode.txt

tiny bios--了解BIOS非常好的资料

	tinyBIOS POST code list					pd 980422
	-----------------------
	
	01	reset entry
	02	chipset initialization
	03	detect base memory size
	04	initialize shadow RAM
	05	init mono video
	06	disable PCI devices
	07	test low 64KB of DRAM
	08	initialize stack
	09	BIOS checksum
	0a	super I/O initialization
	0b	RTC test
	0c	refresh / 8254 test
	0d	speed-dependent chipset regs
	0e	test 8237 DMA
	0f	test DMA page registers
	10	test 8254 registers
	11	test keyboard controller
	12	init timer, DMA, 8259...
	13	test 8259 mask registers
	14	test low 640KB
	15	init vectors
	16	PCI plug & play
	17	shadow video BIOS
	18	look for VGA BIOS
	19	sign-on prompt
	1a	second keyboard test
	1b	extended memory test
	1c	enable interrupts
	1d	test / init RTC
	1e	init floppy disk
	1f	option ROM scan
	20	test parallel ports
	21	test serial ports
	22	enable coprocessor
	23	floppy init
	24	hard disk init
	25	PS/2 mouse detect
	26	timer/RTC check
	27	OEM boot decision point
	00	boot

	33	NMI
	F7	low 64KB memory test failed