Ports Input/Output (IO)
I/O Address
Description
0020- 0021
Programmable interrupt controller
0040- 0043
System timer
0060- 0060
Standard 101/102
0061- 0061
System speaker
0064- 0064
Standard 101/102
0070- 0071
System CMOS/real time clock
0081- 0083
Direct memory access controller
0087- 0087
Direct memory access controller
0089- 008B
Direct memory access controller
008F- 0091
Direct memory access controller
00A0- 00A1
Programmable interrupt controller
00C0- 00DF
Direct memory access controller
00F0- 00FF
Numeric data processor
0170- 0177
VIA Bus Master PCI IDE Controller
0170- 0177
Secondary IDE controller (dual fifo)
01F0- 01F7
Primary IDE controller (dual fifo)
01F0- 01F7
VIA Bus Master PCI IDE Controller
02F8- 02FF
Communications Port (COM2)
0376- 0376
VIA Bus Master PCI IDE Controller
0376- 0376
Secondary IDE controller (dual fifo)
0378- 037F
Printer Port (LPT1)
03B0- 03BB
S3 Graphics Twister
03C0- 03DF
S3 Graphics Twister
03F0- 03F5
Standard Floppy Disk Controller
03F6- 03F6
VIA Bus Master PCI IDE Controller
03F6- 03F6
Primary IDE controller (dual fifo)
03F7- 03F7
Standard Floppy Disk Controller
03F8- 03FF
Communications Port (COM1)
04D0- 04D1
PCI bus
0CF8- 0CFF
PCI bus
4000- 407F
PCI bus
4080- 40FF
PCI bus
5000- 501F
PCI bus
0000-000F
Direct memory access controller
6000- 607F
PCI bus
C000- C00F
VIA Bus Master PCI IDE Controller
C000- C007
Primary IDE controller (dual fifo)
C008- C00F
Secondary IDE controller (dual fifo)
C400- C41F
VIA Tech 3038 PCI to USB Universal Host Controller
C800- C81F
VIA Tech 3038 PCI to USB Universal Host Controller
CC00-CCFF
VIA AC 97 Audio Controller (WDM)
D000- D003
VIA AC 97 Audio Controller (WDM)
D400- D403
VIA AC 97 Audio Controller (WDM)
D800- D83F
Intel(R) PRO/1000 MT Network Connection
DC00-DC3F
Intel(R) PRO/1000 MT Network Connection
E000 - E03F
Intel(R) PRO/1000 MT Network Connection
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