82801FB Datasheet, PDF (460/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

SATA Controller Registers (D31:F2)
12.1.6.3
When Sub Class Code Register (D31:F2:Offset 0Ah) = 06h
Address Offset: 09h
Default Value:
01h
Attribute: RO
Size:
8 bits
12.1.7
Bit
Description
7:0 Interface (IF) — RO. This field indicates the SATA Controller supports AHCI, rev 1.0.
SCC—Sub Class Code Register (SATA–D31:F2)
Address Offset: 0Ah
Default Value: See bit description
Attribute: See bit description
Size:
8 bits
Bit
Description
Sub Class Code (SCC). This field specifies the sub-class code of the controller, per the table
below:
Intel^® ICH6 Only:
SCC Register Attribute
RO
Scc Register Value
01h (IDE Controller)
ICH6-M Only:
7:0
MAP.USCC (D31:F2:Offset
90h:bit 7)
SCC Register
Attribute
SCC Register Value
0b
RO
01h (IDE Controller)
1b
RO
06h (SATA Controller)
ICH6R Only:
MAP.USCC (D31:F2:Offset
90h:bit 7)
X
SCC Register
Attribute
R/WO
SCC Default Register
Value
04h (RAID Controller)
12.1.8
BCC—Base Class Code Register
(SATA–D31:F2SATA–D31:F2)
Address Offset: 0Bh
Default Value: 01h
Attribute: RO
Size:
8 bits
Bit
Base Class Code (BCC) — RO.
7:0
01h = Mass storage device
Description
460
Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet