876784 Intel, 876784 Datasheet - Page 528
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876784
Manufacturer Part Number
876784
Description
Manufacturer
Intel
Datasheet
1.876784.pdf
(848 pages)
Specifications of 876784
Lead Free Status / RoHS Status
Compliant
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12.3.1.4
12.3.1.5
528
PI—Ports Implemented Register (D31:F2)
Address Offset: ABAR + 0Ch–0Fh
Default Value:
This register indicates which ports are exposed to the ICH7. It is loaded by platform
BIOS. It indicates which ports that the device supports are available for software to
use. For ports that are not available, software must not read or write to registers within
that port.
VS—AHCI Version (D31:F2)
Address Offset: ABAR + 10h–13h
Default Value:
This register indicates the major and minor version of the AHCI specification. It is BCD
encoded. The upper two bytes represent the major version number, and the lower two
bytes represent the minor version number. Example: Version 3.12 would be
represented as 00030102h. The current version of the specification is 1.10
(00010100h).
ICH7R and
3 (Mobile
1 (Mobile
31:16
ICH7DH
ICH7DH
15:0
(Intel
(ICH7R
Bit
Only)
Only)
Only)
Only)
31:4
and
Bit
3
2
1
0
®
Major Version Number (MJR) — RO. Indicates the major version is 1
Minor Version Number (MNR) — RO. Indicates the minor version is 10.
Reserved. Returns 0.
Ports Implemented Port 3 (PI3) — R/WO.
0 = The port is not implemented.
1 = The port is implemented.
Ports Implemented Port 3 (PI3) — RO.
0 = The port is not implemented.
Ports Implemented Port 2 (PI2)— R/WO.
0 = The port is not implemented.
1 = The port is implemented.
Ports Implemented Port 1 (PI1) — R/WO.
0 = The port is not implemented.
1 = The port is implemented.
Ports Implemented Port 1 (PI1) — RO.
0 = The port is not implemented.
Ports Implemented Port 0 (PI0) — R/WO.
0 = The port is not implemented.
1 = The port is implemented.
00000000h
00010100h
SATA Controller Registers (D31:F2) (Desktop and Mobile Only)
Description
Description
Attribute:
Size:
Attribute:
Size:
Intel
R/WO, RO
32 bits
RO
32 bits
®
ICH7 Family Datasheet
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