Intel DQ965CO User Manual

Intel Desktop Board DQ965CO Technical Product Specification
52
2.3 Fixed I/O Map
Table 14. I/O Map
Address (hex) Size Description
0000 - 00FF 256 bytes Used by the Desktop Board DQ965CO. Refer to the ICH8DO
data sheet for dynamic addressing information.
01F0 - 01F7 8 bytes Primary Parallel ATE IDE channel command block
0228 - 022F
(Note 1)
8 bytes LPT3
0278 - 027F
(Note 1)
8 bytes LPT2
02E8 - 02EF
(Note 1)
8 bytes COM4
02F8 - 02FF
(Note 1)
8 bytes COM2
0378 - 037F 8 bytes LPT1
03B0 - 03BB 12 bytes Intel 82Q965 GMCH
03C0 - 03DF 32 bytes Intel 82Q965 GMCH
03E8 - 03EF 8 bytes COM3
03F0 - 03F5 6 bytes Diskette channel
03F4 - 03F7 4 bytes Primary Parallel ATA IDE channel control block
03F8 - 03FF 8 bytes COM1
04D0 - 04D1 2 bytes Edge/level triggered PIC
LPTn + 400 8 bytes ECP port, LPTn base address + 400h
0CF8 - 0CFB
(Note 2)
4 bytes PCI configuration address register
0CF9
(Note 3)
1 byte Reset control register
0CFC - 0CFF 4 bytes PCI configuration data register
FFA0 - FFA7 8 bytes Primary Parallel ATA IDE bus master registers
Notes:
1.
Default, but can be changed to another address range
2.
Dword access only
3.
Byte access only
 NOTE
Some additional I/O addresses are not available due to ICH8DO address aliasing. The
ICH8DO data sheet provides more information on address aliasing.
For information about Refer to
Obtaining the ICH8DO data sheet Section 1.2 on page 17

Intel DQ965CO Specifications

General

Brand	Intel
Model	DQ965CO
Category	Motherboard
Language	English