EW31244SL7QV Datasheet, PDF (241/252 Pages) Intel Corporation – Intel® 31244 PCI-X to Serial ATA Controller

Intel^® 31244 PCI-X to Serial ATA Controller
Programming Interface
5.10.12.17 SU PCI DPA Host DMA Buffer Identifier
High Register - SUPDHDBIHR
Table 151.
The SU PCI DPA Host DMA Buffer Identifier High Register is the second DWORD parameter of
the SATA DMA Setup Host-to-Device FIS. Refer to the Serial ATA Specification.
SU PCI DPA Host DMA Buffer Identifier High Register - SUPDHDBIHR
PCI
Attributes
31
28
24
20
16
12
8
4
0
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
PCI IDE Mode Offset
= 070H,
DPA Mode Offset
Port 0 = 370H, Port 1 = 570H
Port 2 = 770H, Port 3 = 970H
Attribute Legend:
RV = Reserved
PR = Preserved
RS = Read/Set
RW = Read/Write
RC = Read Clear
RO = Read Only
NA = Not Accessible
Bit
31:00
Default
Description
0000_0000H
Buffer Identifier High - This is the upper DWORD of a 64-bit buffer identifier, which may be used to
identify a DMA buffer region in host memory.
Developer’s Manual
April 2004
241