307013-003 Datasheet, PDF (650/848 Pages) Intel Corporation – Intel I/O Controller Hub 7

AC ’97 Modem Controller Registers (D30:F3) (Desktop and Mobile Only)
17.1.5
RID—Revision Identification Register (Modem—D30:F3)
Address Offset: 08h
Default Value: See bit description
Lockable:
No
Attribute:
Size:
Power Well:
RO
8 Bits
Core
17.1.6
Bit
Description
7:0
Revision ID — RO. Refer to the Intel^® I/O Controller Hub 7 (ICH7) Family Specification
Update for the value of the Revision ID Register.
PI—Programming Interface Register (Modem—D30:F3)
Address Offset: 09h
Default Value: 00h
Lockable:
No
Attribute:
Size:
Power Well:
RO
8 bits
Core
17.1.7
Bit
7:0 Programming Interface — RO.
Description
SCC—Sub Class Code Register (Modem—D30:F3)
Address Offset: 0Ah
Default Value: 03h
Lockable:
No
Attribute:
Size:
Power Well:
RO
8 bits
Core
17.1.8
Bit
Sub Class Code — RO.
7:0
03h = Generic Modem.
Description
BCC—Base Class Code Register (Modem—D30:F3)
Address Offset: 0Bh
Default Value: 07h
Lockable:
No
Attribute:
Size:
Power Well:
RO
8 bits
Core
17.1.9
Bit
Description
Base Class Code — RO.
7:0
07h = Simple Communications controller.
HEADTYP—Header Type Register (Modem—D30:F3)
Address Offset: 0Eh
Default Value: 00h
Lockable:
No
Attribute:
Size:
Power Well:
RO
8 bits
Core
Bit
7:0 Header Type — RO.
Description
650
Intel ^® ICH7 Family Datasheet