User Guide

FIC CONFIDENTIAL AND PROPRIETARY
MB02 Functional Specifications Rev. 0.3 Page 52
FIC H/W
FIC CONFIDENTIAL AND PROPRIETARY 11-November-2002_
10-13h RO, r/w Modem Mixer Base Address 00000001h
14-17h RO, r/w Modem Base Address 00000001h
2C-2Dh r/wo Subsystem Vendor ID 0000h
2E-2Fh r/wo Subsystem ID 0000h
34h RO Capabilities Pointer 50h
3Ch RO Interrupt Line 00h
3Dh RO Interrupt Pin 02h
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
6.28 ICH4-M AC97 Modem IO Register
Register
Pri. Sec.
Name
PCM in Buffer Descriptor List Base
Address
00:38h 80:B8h Intel Reserved
3Ch BCh Extended Modem ID
3Eh BEh Extended Modem Start/Control
40h C0h Line 1 DAC/ADC Rate
42h C2h Line 2 DAC/ADC Rate
44h C4h Handset DAC/ADC Rate
46h C6h Line 1 DAC/ADC Level Mute
48h C8h Line 2 DAC/ADC Level Mute
4Ah CAh Handset DAC/ADC Level Mute
4Ch CCh GPIO Pin Config
4Eh CEh GPIO Polarity/Type
50h D0h GPIO Pin Sticky
52h D2h GPIO Pin Wake Up
54h D4h GPIO Pin Status
56h D6h Misc. Modem AFE Stat/Ctrl
58h D8h AC97 Reserved
5Ah DAh Vendor Reserved
7Ch FCh Vendor ID1
7Eh FEh Vendor ID2
6.29 ICH4-M Modem IO Register
AC97MOD
EM+offset
Type Name Default
00h r/w Modem In Buffer Descriptor
List Base Address
00000000h
04h RO Modem in Current Index 00h
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