82801FB Datasheet, PDF (500/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

SATA Controller Registers (D31:F2)
12.3.2.9
PxSIG—Port [3:0] Signature Register (D31:F2)
Address Offset:
Default Value:
Port 0: ABAR + 124h
Attribute:
Port 1: ABAR + 1A4h (Desktop Only)
Port 2: ABAR + 224h
Port 3: ABAR + 2A4h (Desktop Only)
FFFFFFFFh
Size:
RO
32 bits
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.
Bit
Description
Signature (SIG) — RO. This field contains the signature received from a device on the first D2H
register FIS. The bit order is as follows:
Bit
Field
31:0
31:24 LBA High Register
23:16 LBA Mid Register
15:8
LBA Low Register
7:0
Sector Count Register
500
Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet