Fixed I/O Map; I/O Map - Intel BLKDQ965WCEKR Technical Product Specification

Intel Desktop Board DQ965WC Technical Product Specification
2.3

Fixed I/O Map

Table 13. I/O Map
Address (hex)
0000 - 00FF
(Note 1)
0228 - 022F
(Note 1)
0278 - 027F
(Note 1)
02E8 - 02EF
(Note 1)
02F8 - 02FF
0378 - 037F
03B0 - 03BB
03C0 - 03DF
03E8 - 03EF
03F8 - 03FF
04D0 - 04D1
LPTn + 400
(Note 2)
0CF8 - 0CFB
(Note 3)
0CF9
0CFC - 0CFF
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
Obtaining the ICH8DO data sheet
48
Size Description
256 bytes Used by the Desktop Board DQ965WC. Refer to the ICH8DO
data sheet for dynamic addressing information.
8 bytes LPT3
8 bytes LPT2
8 bytes COM4
8 bytes COM2
8 bytes LPT1
12 bytes Intel 82Q965 GMCH
32 bytes Intel 82Q965 GMCH
8 bytes COM3
8 bytes COM1
2 bytes Edge/level triggered PIC
8 bytes ECP port, LPTn base address + 400h
4 bytes PCI configuration address register
1 byte Reset control register
4 bytes PCI configuration data register
Refer to
Section 1.2 on page 15