82801FB Datasheet, PDF (347/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

LPC Interface Bridge Registers (D31:F0)
10.1.5
10.1.6
10.1.7
10.1.8
RID—Revision Identification Register (LPC I/F—D31:F0)
Offset Address: 08h
Default Value: See bit description
Attribute:
Size:
RO
8 bits
Bit
Description
7:0
Revision ID (RID) — RO. Refer to the Intel^® I/O Controller Hub 6 (ICH6) Family Specification
Update for the value of the Revision ID Register
PI—Programming Interface Register (LPC I/F—D31:F0)
Offset Address: 09h
Default Value: 00h
Attribute:
Size:
RO
8 bits
Bit
7:0 Programming Interface — RO.
Description
SCC—Sub Class Code Register (LPC I/F—D31:F0)
Offset Address: 0Ah
Default Value: 01h
Attribute:
Size:
RO
8 bits
Bit
Description
Sub Class Code — RO. 8-bit value that indicates the category of bridge for the LPC bridge.
7:0
01h = PCI-to-ISA bridge.
BCC—Base Class Code Register (LPC I/F—D31:F0)
Offset Address: 0Bh
Default Value: 06h
Attribute:
Size:
RO
8 bits
Bit
Description
Base Class Code — RO. This field is an 8-bit value that indicates the type of device for the LPC
7:0 ^bridge.
06h = Bridge device.
Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet
347