307013-003 Datasheet, PDF (496/848 Pages) Intel Corporation – Intel I/O Controller Hub 7

SATA Controller Registers (D31:F2) (Desktop and Mobile Only)
12.1.10 PCMD_BAR—Primary Command Block Base Address
Register (SATA–D31:F2)
Address Offset: 10h–13h
Default Value: 00000001h
.
Attribute:
Size:
R/W, RO
32 bits
Bit
Description
31:16 Reserved
15:3
Base Address — R/W. This field provides the base address of the I/O space (8
consecutive I/O locations).
2:1 Reserved
0
Resource Type Indicator (RTE) — RO. Hardwired to 1 to indicate a request for I/O
space.
NOTE: This 8-byte I/O space is used in native mode for the Primary Controller’s Command Block.
12.1.11 PCNL_BAR—Primary Control Block Base Address Register
(SATA–D31:F2)
Address Offset: 14h–17h
Default Value: 00000001h
.
Attribute:
Size:
R/W, RO
32 bits
Bit
Description
31:16 Reserved
15:2
Base Address — R/W. This field provides the base address of the I/O space (4
consecutive I/O locations).
1 Reserved
0
Resource Type Indicator (RTE) — RO. Hardwired to 1 to indicate a request for I/O
space.
NOTE: This 4-byte I/O space is used in native mode for the Primary Controller’s Command Block.
12.1.12 SCMD_BAR—Secondary Command Block Base Address
Register (IDE D31:F1)
Address Offset: 18h–1Bh
Default Value: 00000001h
Attribute:
Size:
R/W, RO
32 bits
Bit
Description
31:16 Reserved
15:3
Base Address — R/W. This field provides the base address of the I/O space (8
consecutive I/O locations).
2:1 Reserved
0
Resource Type Indicator (RTE) — RO. Hardwired to 1 to indicate a request for I/O
space.
NOTE: This 4-byte I/O space is used in native mode for the Secondary Controller’s Command
Block.
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Intel ^® ICH7 Family Datasheet