NH82801FBM S L89K Intel, NH82801FBM S L89K Datasheet - Page 499
NH82801FBM S L89K
Manufacturer Part Number
NH82801FBM S L89K
Description
Manufacturer
Intel
Datasheet
1.NH82801FBM_S_L89K.pdf
(786 pages)
Specifications of NH82801FBM S L89K
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12.3.2.8
Intel
®
I/O Controller Hub 6 (ICH6) Family Datasheet
PxTFD—Port [3:0] Task File Data Register (D31:F2)
Address Offset:
Default Value:
This is a 32-bit register that copies specific fields of the task file when FISes are received. The
FISes that contain this information are:
D2H Register FIS
PIO Setup FIS
Set Device Bits FIS
31:16
15:8
Bit
Bit
7:0
2
1
0
Power On Device (POD) — RO . Cold presence detect not supported. Defaults to 1.
Spin-Up Device (SUD) — R/W / RO
This bit is R/W and defaults to 0 for systems that support staggered spin-up (R/W when CAP.SSS
(ABAR+00h:bit 27) is 1). Bit is RO 1 for systems that do not support staggered spin-up (when
CAP.SSS is 0).
0 = No action.
1 = On an edge detect from 0 to 1, the ICH6 starts a COMRESET initialization sequence to the
Start (ST) — R/W . When set, the ICH6 may process the command list. When cleared, the ICH6 may
not process the command list. Whenever this bit is changed from a 0 to a 1, the ICH6 starts
processing the command list at entry 0. Whenever this bit is changed from a 1 to a 0, the PxCI
register is cleared by the ICH6 upon the ICH6 putting the controller into an idle state.
Refer to section 12.2.1 of the Serial ATA AHCI Specification for important restrictions on when ST
can be set to 1.
Reserved
Error (ERR) — RO . Contains the latest copy of the task file error register.
Status (STS) — RO . Contains the latest copy of the task file status register. Fields of note in this
register that affect AHCI.
device.
6:4
2:1
Bit
7
3
0
Port 0: ABAR + 120h
Port 1: ABAR + 1A0h (Desktop Only)
Port 2: ABAR + 220h
Port 3: ABAR + 2A0h (Desktop Only)
0000007Fh
Field
DRQ
BSY
ERR
N/A
N/A
Indicates the interface is busy
Not applicable
Indicates a data transfer is requested
Not applicable
Indicates an error during the transfer
Description
Description
Definition
Attribute:
Size:
SATA Controller Registers (D31:F2)
RO
32 bits
499
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