System I/O Address |
I/O Address (Hex) |
System Function (Shipping
Configuration) |
0000h-000Fh |
Direct memory
access controller |
0010h-001Fh |
In use by unknown
device |
0020h-0021h |
Programmable
interrupt Controller |
0022h-003Fh |
In use by unknown
device |
0040h-0043h |
System timer |
0044h-005Fh |
In use by unknown
device |
0060h-0060h |
Standard
101/102-Key or Microsoft Natural Keyboard |
0061h-0061h |
System speaker |
0062h-0063h |
In use by unknown
device |
0064h-0064h |
Standard
101/102-Key or Microsoft Natural Keyboard |
0065h-006Fh |
In use by unknown
device |
0070h-0071h |
System CMOS/real
time clock |
0072h-0073h |
Motherboard
resources |
0074h-007Fh |
In use by unknown
device |
0080h-0080h |
Motherboard
resources |
0081h-008Fh |
Direct memory
controller |
0090h-009Fh |
In use by unknown
device |
00A0h-00A1h |
Programmable
interrupt controller |
00A2h-00BFh |
In use by unknown
device |
00C0h-00DFh |
Direct memory
access Controller |
00E0h-00EBh |
In use by unknown
device |
00ECh-00EFh |
Motherboard
resources |
00F0h-00FFh |
Numeric data
processor |
0120h-0121h |
NeoMagic
MagicWave 3DX Sound System |
0170h-0177h |
Intel 82371AB/EB
PCI Bus Master IDE controller |
0170h-0177h |
Secondary IDE
controller (dual fifo) |
01F0h-01F7h |
Intel 82371AB/EB
PCI Bus Master IDE controller |
0170h-0177h |
Primary IDE
controller (dual fifo) |
0200h-0200h |
Gameport Joystick |
0220h-02FFh |
NeoMagic
MagicWave 3DX Sound System |
02F8h-02FFh |
Compaq Presario
56K-DF |
0330h-0331h |
NeoMagic
MagicWave 3DX Sound System |
0376h-0376h |
Intel 82371AB/EB
PCI Bus Master IDE controller |
0376h-0376h |
Secondary IDE
controller (dual fifo) |
0378h-037Fh |
Printer Port
(LPT1) |
0388h-038Fh |
NeoMagic
MagicWave 3DX Sound System |
03B0h-03BBh |
NeoMagic
MagicMedia 256AV |
03C0h-03DFh |
NeoMagic
MagicMedia 256AV |
03F0h-03F5h |
Standard Floppy
Disk Controller |
03F6h-03F6h |
Intel 82371AB/EB
PCI Bus Master IDE controller |
03F6h-03F6h |
Primary IDE
controller (dual fifo) |
03F7h-03F7h |
Standard Floppy
Disk Controller |
03F8h-03FFh |
Communications
Port (COM1) |
04D0h-04D1h |
Motherboard
resources |
0530h-0537h |
NeoMagic
MagicWave 3DX Sound System |
0CF8-0CFFh |
PCI bus |
2180h-218Fh |
Motherboard
resources |
8000h-803Fh |
Motherboard
resources |
FCD0h-FCD7h |
Primary IDE
controller (dual fifo) |
FCD0h-FCDFh |
Intel 82371AB/EB
PCI Bus Master IDE Controller |
FCD8h-FCDFh |
Secondary IDE
controller (dual fifo) |
FCE0h-FCFFh |
Intel 82371AB/EB
PCI to USB Universal Host Controller |