82801FB Datasheet, PDF (492/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

SATA Controller Registers (D31:F2)
Table 12-5. Port [3:0] DMA Register Address Map
ABAR +
Offset
Mnemonic
Register
200–203h
P2CLB Port 2 Command List Base Address
204–207h P2CLBU Port 2 Command List Base Address Upper 32-Bits
208–20Bh
20C–20Fh
P2FB
P2FBU
Port 2 FIS Base Address
Port 2 FIS Base Address Upper 32-Bits
210–213h
214–217h
P2IS
P2IE
Port 2 Interrupt Status
Port 2 Interrupt Enable
218–21Ch P2CMD Port 2 Command
21C–21Fh
220–223h
—
P2TFD
Reserved
Port 2 Task File Data
224–227h
228–22Bh
P2SIG Port 2 Signature
P2SSTS Port 2 Serial ATA Status
22C–22Fh
230–233h
234–237h
P2SCTL
P2SERR
P2SACT
Port 2 Serial ATA Control
Port 2 Serial ATA Error
Port 2 Serial ATA Active
238–23Bh
23C–27Fh
P2CI
—
Port 2 Command Issue
Reserved
280–2FFh
(Mobile Only)
—
Reserved
Registers are not available and software must not read
from or write to registers.
280–283h
284–287h
P3CLB Port 3 Command List Base Address
P3CLBU Port 3 Command List Base Address Upper 32-Bits
288–28Bh
28C–28Fh
P3FB
P3FBU
Port 3 FIS Base Address
Port 3 FIS Base Address Upper 32-Bits
290–293h
P3IS Port 3 Interrupt Status
294–297h
298–29Ch
P3IE
P3CMD
Port 3 Interrupt Enable
Port 3 Command
19C–19Fh
2A0–2A3h
—
P3TFD
Reserved
Port 3 Task File Data
2A4–2A7h
P3SIG Port 3 Signature
2A8–2ABh
2AC–2AFh
P3SSTS Port 3 Serial ATA Status
P3SCTL Port 3 Serial ATA Control
2B0–2B3h
2B4–2B7h
P3SERR Port 3 Serial ATA Error
P3SACT Port 3 Serial ATA Active
2B8–2BBh
2BC–2FFh
P3CI
—
Port 3 Command Issue
Reserved
492
Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet