FIC mb02 Service Manual
FIC CONFIDENTIAL AND PROPRIETARY
MB02 Functional Specifications Rev. 0.3 Page 49
MB02 Functional Specifications Rev. 0.3 Page 49
FIC H/W
FIC CONFIDENTIAL AND PROPRIETARY 11-November-2002_
6.24
ICH4-M
SMBus IO Register
SMBusBA
SE+offset
SE+offset
Type
Name
Default
00h
r/wc, RO
Host Status
00h
02h
r/w, WO
Host Control
00h
03h
r/w
Host Command
00h
04h
r/w
Transmit Slave Address
00h
05h
r/w
Host Data 0
00h
06h
r/w
Host Data 1
00h
07h
r/w
Host Block Data Byte
00h
08h
r/w
Packet Error Check
00h
09h
r/w
Receive Slave Address
44h
0Ah
r/w
Slave Data
0000h
0Ch
r/w
Auxiliary Status
00h
0Dh
r/w
Auxiliary Control
00h
0Eh
r/wc
SMLink Pin Control
04h
0Fh
r/w
SMBus Pin Control
04h
10h
r/w, RO
Slave Status
00h
11h
r/w, RO
Slave Command
00h
14h
RO
Notify Device Address
00h
16h
RO
Notify Data Low Byte
00h
17h
RO
Notify Data High Byte
00h
6.25
CH4-M AC97 Audio Cotroller Register (Device 31:Function 5)
Address
Access
Register Name
Default Value
00-01h
RO
Vendor ID
8086h
02-03h
RO
Device ID
24C5h
04-05h
RO, r/w
Command Register
0000h
06-07h
RO, r/wc
Status Register
0280h
08h
RO
Revision ID
09h
RO
Programming Interface
00h
0Ah
RO
Sub Class Code
01h
0Bh
RO
Base Class Code
04h
0Eh
RO
Header Type
00h
10-13h
RO, r/w
Native Audio Mixer Base Address
00000001h
14-17h
RO, r/w
Native Audio Bus Mastering Base
Address
Address
00000001h
18-1Bh
RO, r/w
Mixer Base Address(Mem)
00000000h
1C-1Fh
RO, r/w
Bus Master Base Address (Mem)
00000000h
2C-2Dh
r/wo
Subsystem Vendor ID
0000h
2E-2Fh
r/wo
Subsystem ID
0000h
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