|
Address |
(xx0h-xx3h) |
(xx4h-xx7h) |
(xx8h-xxBh) |
(xxCh-xxFh) |
|
000-00Fh |
DMA controller, channels 0 to 3 |
|
010-01Fh |
(System use) |
|
020-02Fh |
IRQ 1 (020-021h) |
(System use) |
|
030-03Fh |
(System use)
|
|
040-04Fh |
System timers |
PCI bus |
|
050-05Fh |
(System use) |
|
060-06Fh |
Keyboard & PS/2 mouse (060h), Speaker
(061h) |
Keyboard & PS/2 mouse (064h) |
(System use) |
|
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 |
(Reserved)
|
Quaternary IDE controller, master drive |
|
170-17Fh |
Secondary IDE controller, master drive |
(Reserved)
|
|
180-18Fh |
(Reserved)
|
|
190-19Fh |
(Reserved)
|
|
1A0-1AFh |
(Reserved)
|
|
1B0-1BFh |
(Reserved)
|
|
1C0-1CFh |
(Reserved)
|
|
1D0-1DFh |
(Reserved)
|
|
1E0-1EFh |
(Reserved)
|
Tertiary IDE controller, master drive |
|
1F0-1FFh |
Primary IDE controller (master drive) |
(Reserved)
|
|
200-20Fh |
Joystick port |
(Reserved)
|
(System use, 20C-20Dh) |
|
210-21Fh |
(Reserved)
|
|
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 |
(Reserved) |
|
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 |
(Reserved) |
|
NE2000 network card (260-27Fh, bytes 1 to 16) |
|
270-27Fh |
(System use) |
Plug and Play system devices |
LPT2 (parallel port)
(color systems) |
|
(Reserved) |
LPT3 (parallel port) (monochrome systems) |
|
NE2000 network card (260-27Fh, bytes 17 to 32) |
|
280-28Fh |
Sound card |
|
Non-NE2000 network card |
(Reserved) |
|
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 |
(Reserved) |
|
NE2000 network card (2A0-2BFh, bytes 1 to 16) |
|
2B0-2BFh |
NE2000 network card (2A0-2BFh, bytes 17 to 32) |
|
2C0-2CFh |
(Reserved)
|
|
2D0-2DFh |
(Reserved)
|
|
2E0-2Efh |
(Reserved)
|
COM4 (serial port) |
|
2F0-2FFh |
(Reserved)
|
COM2 (serial port) |
|
300-30Fh |
Sound card (MIDI port) (300-301h) |
(Reserved)
|
|
Non-NE2000 network card |
(Reserved) |
|
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 |
(Reserved)
|
|
NE2000 network card (320-33Fh, bytes 1 to 16) |
|
330-33Fh |
Sound card (MIDI port) (330-331h) |
(Reserved)
|
|
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 |
(Reserved) |
|
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) |
(Reserved)
|
Quaternary IDE controller (slave drive)
(36E-36Fh) |
|
Non-NE2000 network card |
(Reserved) |
|
NE2000 network card (360-37Fh, bytes 1 to 16) |
|
370-37Fh |
Tape accelerator card (370h) |
Secondary IDE controller (slave drive)
(376-377h) |
LPT1 (parallel port)
(color systems) |
|
(Reserved) |
LPT2 (parallel port) (monochrome systems) |
|
NE2000 network card (360-37Fh, bytes 17 to 32) |
|
380-38Fh |
(Reserved)
|
Sound card (FM synthesizer) |
(Reserved)
|
|
390-39Fh |
(Reserved)
|
|
3A0-3AFh |
(Reserved)
|
|
3B0-3BFh |
VGA/Monochrome Video |
LPT1
(parallel port) (monochrome systems) |
|
3C0-3CFh |
AGP/VGA/EGA Video |
|
3D0-3DFh |
AGP/VGA/CGA Video |
|
3E0-3EFh |
Tape accelerator card (3E0h) |
(Reserved)
|
COM3 (serial port) |
|
(Reserved) |
Tertiary IDE controller (slave drive)
(3EE-3EFh) |
|
3F0-3FFh |
Floppy disk controller |
COM1 (serial port) |
|
Tape accelerator card (3F0h) |
Primary IDE controller (slave drive) (3F6-3F7h) |
(Reserved)
|
