876784 Intel, 876784 Datasheet - Page 647

• Manufacturer Part Number: 876784
• Manufacturer: Intel

Specifications of 876784

• Lead Free Status / RoHS Status: Compliant

AC ’97 Modem Controller Registers (D30:F3) (Desktop and Mobile Only)
17
Note:
17.1
Note:
Table 17-1. AC ‘97 Modem PCI Register Address Map (Modem—D30:F3)
Note:
Intel
®
ICH7 Family Datasheet
AC ’97 Modem Controller
Registers (D30:F3) (Desktop
and Mobile Only)
AC ‘97 is not supported on ICH7-U Ultra Mobile.
AC ’97 Modem PCI Configuration Space (D30:F3)
Registers that are not shown should be treated as Reserved.
Internal reset as a result of D3
except the following BIOS programmed registers as BIOS may not be invoked following
the D3-to-D0 transition. All resume well registers will not be reset by the D3
transition.
Core well registers not reset by the D3
Resume well registers will not be reset by the D3
• offset 2Ch
• offset 2Eh
• offset 54h
2Ch–2Dh
00h–01h
02h–03h
04h–05h
06h–07h
10h–13h
14h–17h
2Eh–2Fh
50h–51h
52h–53h
54h–55h
Offset
3Dh
08h
09h
0Ah
0Bh
0Eh
34h
3Ch
Mnemonic
HEADTYP
CAP_PTR
–
–
–
PCICMD
MMBAR
INT_LN
INT_PN
PCISTS
2Fh – Subsystem ID (SID)
55h – Power Management Control and Status (PCS)
2Dh – Subsystem Vendor ID (SVID)
MBAR
SVID
SCC
BCC
PCS
VID
DID
RID
SID
PID
PC
PI
Vendor Identification
Device Identification
PCI Command
PCI Status
Revision Identification
Programming Interface
Sub Class Code
Base Class Code
Header Type
Modem Mixer Base Address
Modem Base Address
Subsystem Vendor Identification
Subsystem Identification
Capabilities Pointer
Interrupt Line
Interrupt Pin
PCI Power Management Capability ID
Power Management Capabilities
Power Management Control and
Status
HOT
to D0 transition will reset all the core well registers
Register
HOT
to D0 transition:
HOT
to D0 transition:
See register
See register
See register
00000001h
00000001h
description
description
description
Default
0000h
0290h
0001h
C9C2h
0000h
0000h
0000h
8086
00h
03h
07h
00h
50h
00h
R/W, R/WC
R/WC, RO
HOT
R/W, RO
R/W, RO
R/W, RO
Access
R/WO
R/WO
R/W
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
to D0
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