User Guide

FIC CONFIDENTIAL AND PROPRIETARY
MB02 Functional Specifications Rev. 0.3 Page 50
FIC H/W
FIC CONFIDENTIAL AND PROPRIETARY 11-November-2002_
34h RO Capabilities Pointer 50h
3Ch r/w Interrupt Line 00h
3Dh RO Interrupt Pin 02h
40h r/w Programmable Codec ID 01h
41h r/w Configuration 00h
50-51h RO PCI Power Management ID 0001h
52-53h RO PC-Power Management
Capabilities
C9C2h
54-55h r/w, r/wc Power Management Control and
Status
0000h
6.26 ICH4-M Native Audio Bus Master Control IO Register
AC97AUD
IO+offset
Type Name Default
00h r/w PCM in Buffer Descriptor
List Base Address
00000000h
04h RO PCM in Current Index Value 00h
05h r/w PCM in Last Valid Index 00h
06h RO, r/wc PCM in Status 0001h
08h RO PCM in Position in Current
Buffer
0000h
0Ah RO PCM in Prefetched Index
Value
00h
0Bh r/w PCM in Control 00h
10h r/w PCM out Buffer Descriptor
List Base Address
00000000h
14h RO PCM out Current Index
Value
00h
15h r/w PCM out Last Valid Index 00h
16h r/w PCM in Status 0001h
18h RO PCM out Position in Current
Buffer
0000h
1Ah RO PCM out Prefetched Index
Value
00h
1Bh r/w PCM out Control 00h
20h r/w Mic. in Buffer Descriptor
List Base Address
00000000h
24h RO Mic. in Current Index Value 00h
25h r/w Mic. in Last Valid Index 00h
26h r/w Mic. in Status 0001h
28h RO Mic. in Position in Current
Buffer
0000h
2Ah RO Mic. in Prefetched Index
Value
00h
2Bh r/w Mic. in Control 00h
2Ch r/w Global Control 00000000h
30h RO, r/w, Global Status 00700000h
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