NH82801HBM S LB9A Intel, NH82801HBM S LB9A Datasheet - Page 532

• Manufacturer Part Number: NH82801HBM S LB9A
• Description: CONTROLLER HUB, ICH8M, I/O, 82801HBM
• Manufacturer: Intel

Specifications of NH82801HBM S LB9A

• Power Dissipation Pd: 2.4W
• Digital Ic Case Style: BGA
• No. Of Pins: 676
• Pci Bus Type: I/O Controller Hub
• Pci Express Base Spec: PCIe 1.1
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

12.4.2.8
12.4.2.9
532
PxTFD—Port [5:0] Task File Data Register (D31:F2)
Address Offset: Port 0: ABAR + 120h
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
PxSIG—Port [5:0] Signature Register (D31:F2)
Address Offset: Port 0: ABAR + 124h
Default Value:
This is a 32-bit register which contains the initial signature of an attached device when
the first D2H Register FIS is received from that device. It is updated once after a reset
sequence.
31:16
15:8
31:0
7:0
Bit
Bit
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.
Signature (SIG) — RO. Contains the signature received from a device on the first D2H
register FIS. The bit order is as follows:
31:24
23:16
15:8
6:4
2:1
7:0
Bit
Bit
7
3
0
Port 1: ABAR + 1A0h
Port 2: ABAR + 220h
Port 3: ABAR + 2A0h (Desktop Only)
Port 4: ABAR + 320h (Desktop Only)
Port 5: ABAR + 3A0h (Desktop Only)
0000007Fh
Port 1: ABAR + 1A4h
Port 2: ABAR + 224h
Port 3: ABAR + 2A4h (Desktop Only)
Port 4: ABAR + 324h (Desktop Only)
Port 5: ABAR + 3A4h (Desktop Only)
FFFFFFFFh
Field
LBA High Register
LBA Mid Register
LBA Low Register
Sector Count Register
Field
DRQ
BSY
ERR
N/A
N/A
Definition
Indicates the interface is busy
Not applicable
Indicates a data transfer is requested
Not applicable
Indicates an error during the transfer
Description
Description
Attribute:
Size:
Attribute:
Size:
SATA Controller Registers (D31:F2)
RO
32 bits
RO
32 bits
Intel
®
ICH8 Family Datasheet