B.5 System I/O Ports
Table B.5: System I/O ports
Address range (Hex) Device
Direct memory access controller | |
PCI bus | |
|
|
Motherboard resources | |
|
|
Programmable interrupt controller | |
Motherboard resources | |
|
|
System timer | |
|
|
Motherboard resources | |
Standard | |
|
|
System speaker | |
|
|
Motherboard resources | |
Standard | |
|
|
Motherboard resources | |
|
|
System CMOS / real time clock | |
Motherboard resources | |
|
|
Direct memory access controller | |
|
|
Motherboard resources | |
Direct memory access controller | |
|
|
Programmable interrupt controller | |
|
|
Motherboard resources | |
Direct memory access controller | |
|
|
Motherboard resources | |
|
|
Numeric data processor | |
Secondary IDE channel | |
|
|
Primary IDE channel | |
|
|
ISAPNP read data port | |
ISAPNP read data port | |
|
|
Motherboard resources | |
|
|
Communication port (COM2) | |
Secondary IDE channel | |
|
|
Printer port (LPT1) | |
|
|
ATI Technologies Inc. Rage XL PCI | |
ATI Technologies Inc. Rage XL PCI | |
|
|
Standard floppy disk controller | |
|
|
Primary IDE channel | |
Standard floppy disk controller | |
|
|
Communication port (COM1) | |
|
|
Motherboard resources | |
|
|
Motherboard resources | |
|
|
ISAPNP read data port | |
PCI bus | |
|
|
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