Intel D850GB User Manual

Technical Reference
45
Table 12. I/O Map (continued)
Address (hex) Size Description
96 contiguous bytes starting on a 128-byte
divisible boundary
ICH2 (ACPI + TCO)
64 contiguous bytes starting on a 64-byte
divisible boundary
D850GB board resource
64 contiguous bytes starting on a 64-byte
divisible boundary
Onboard audio controller
32 contiguous bytes starting on a 32-byte
divisible boundary
ICH2 (USB controller #1)
16 contiguous bytes starting on a 16-byte
divisible boundary
ICH2 (SMBus)
4096 contiguous bytes starting on a 4096-byte
divisible boundary
Intel 82801BA PCI bridge
256 contiguous bytes starting on a 256-byte
divisible boundary
ICH2 audio mixer
64 contiguous bytes starting on a 64-byte
divisible boundary
ICH2 audio bus mixer
256 contiguous bytes starting on a 256-byte
divisible boundary
ICH2 modem mixer
32 contiguous bytes starting on a 32-byte
divisible boundary
ICH2 (USB controller #2)
96 contiguous bytes starting on a 128-byte
divisible boundary
LPC47M102
* Default, but can be changed to another address range.
** Dword access only.
*** Byte access only.
✏ NOTE
Some additional I/O addresses are not available due to ICH2 address aliassing. For information
about the ICH2 addressing, refer to Section 1.2 on page 16.

Intel D850GB Specifications

General

Brand	Intel
Model	D850GB
Category	Motherboard
Language	English