常用 I/O 地址表

最新推荐文章于 2022-02-22 23:31:00 发布

转载最新推荐文章于 2022-02-22 23:31:00 发布 · 2.1k 阅读

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#network #system #parallel #ide #keyboard #video

Addr.	First Quad (xx0h to xx3h)	Second Quad (xx4h to xx7h)	Third Quad (xx8h to xxBh)	Fourth Quad (xxCh to xxFh)
000-00Fh	DMA controller, channels 0 to 3
010-01Fh	(System use)
020-02Fh	Interrupt controller #1 (020-021h)	(System use)
030-03Fh	(System use)
040-04Fh	System timers	(System use)
050-05Fh	(System use)
060-06Fh	Keyboard & PS/2 mouse (060h), Speaker (061h)	Keyboard & PS/2 mouse (064h)
070-07Fh	RTC/CMOS, NMI (070-071h)	(System use)
080-08Fh	DMA page register 0-2 (081-083h)	DMA page register 3 (087h)	DMA page registers 4-6 (089-08Bh)	DMA page register 7 (08Fh)
090-09Fh	(System use)
0A0-0Afh	Interrupt controller #2 (0A0-0A1h)	(System use)
0B0-0BFh	(System use)
0C0-0CFh	DMA controller, channels 4-7 (0C0-0DFh, bytes 1-16)
0D0-0DFh	DMA controller, channels 4-7 (0C0-0DFh, bytes 17-32)
0E0-0Efh	(System use)
0F0-0FFh	Floating point unit (FPU/NPU/Math coprocessor)
100-10Fh	(System use)
110-11Fh	(System use)
120-12Fh	(System use)
130-13Fh	SCSI host adapter, (130-14Fh, bytes 1 to 16)
140-14Fh	SCSI host adapter, (130-14Fh, bytes 17 to 32)
	SCSI host adapter, (140-15Fh, bytes 1 to 16)
150-15Fh	SCSI host adapter, (140-15Fh, bytes 17 to 32)
160-16Fh			Quaternary IDE controller, master drive
170-17Fh	Secondary IDE controller, master drive
180-18Fh
190-19Fh
1A0-1AFh
1B0-1BFh
1C0-1CFh
1D0-1DFh
1E0-1EFh			Tertiary IDE controller, master drive
1F0-1FFh	Primary IDE controller, master drive
200-20Fh	Joystick port			(System use, 20C-20Dh)
210-21Fh
220-22Fh	Sound card
	SCSI host adapter, (220-23Fh, bytes 1 to 16)
230-23Fh	SCSI host adapter, (220-23Fh, bytes 17 to 32)
240-24Fh	Sound card
	Non-NE2000 network card
	NE2000 network card (240-25Fh, bytes 1 to 16)
250-25Fh	NE2000 network card (240-25Fh, bytes 17 to 32)
260-26Fh	Sound card
	Non-NE2000 network card
	NE2000 network card (260-27Fh, bytes 1 to 16)
270-27Fh	(System use)	Plug and Play system devices	LPT2 (second parallel port) (color systems)
			LPT3 (third parallel port) (monochrome systems)
	NE2000 network card (260-27Fh, bytes 17 to 32)
280-28Fh	Sound card
	Non-NE2000 network card
	NE2000 network card (280-29Fh, bytes 1 to 16)
290-29Fh	NE2000 network card (280-29Fh, bytes 17 to 32)
2A0-2Afh vvv	Non-NE2000 network card
	NE2000 network card (2A0-2BFh, bytes 1 to 16)
2B0-2BFh	NE2000 network card (2A0-2BFh, bytes 17 to 32)
2C0-2CFh
2D0-2DFh
2E0-2Efh			COM4 (fourth serial port)
2F0-2FFh			COM2 (second serial port)
300-30Fh	Sound card (MIDI port) (300-301h)
	Non-NE2000 network card
	NE2000 network card (300-31Fh, bytes 1 to 16)
310-31Fh	NE2000 network card (300-31Fh, bytes 17 to 32)
320-32Fh	Non-NE2000 network card
	NE2000 network card (320-33Fh, bytes 1 to 16)
	Hard disk controller on old PC/XT
330-33Fh	Sound card (MIDI port) (330-331h)
	NE2000 network card (320-33Fh, bytes 17 to 32)
	SCSI host adapter, (330-34Fh, bytes 1 to 16)
340-34Fh	SCSI host adapter, (330-34Fh, bytes 17 to 32)
	SCSI host adapter, (340-35Fh, bytes 1 to 16)
	Non-NE2000 network card
	NE2000 network card (340-35Fh, bytes 1 to 16)
350-35Fh	SCSI host adapter, (340-35Fh, bytes 17 to 32)
	NE2000 network card (340-35Fh, bytes 17 to 32)
360-36Fh	Tape accelerator card (360h)			Quaternary IDE controller (slave drive) (36E-36Fh)
	Non-NE2000 network card
	NE2000 network card (360-37Fh, bytes 1 to 16)
370-37Fh	Tape accelerator card (370h)	Secondary IDE controller (slave drive) (376-377h)	LPT1 (first parallel port) (color systems)
			LPT2 (second parallel port) (monochrome systems)
	NE2000 network card (360-37Fh, bytes 17 to 32)
380-38Fh			Sound card (FM synthesizer)
390-39Fh
3A0-3AFh
3B0-3BFh	VGA/Monochrome Video			LPT1 (first parallel port) (monochrome systems)
3C0-3CFh	VGA/EGA Video
3D0-3DFh	VGA/CGA Video
3E0-3EFh	Tape accelerator card (3E0h)		COM3 (third serial port)
				Tertiary IDE controller (slave drive) (3EE-3EFh)
3F0-3FFh	Floppy disk controller		COM1 (first serial port)
	Tape accelerator card (3F0h)	Primary IDE controller (slave drive) (3F6-3F7h)