EW31244SL7QV Datasheet, PDF (156/252 Pages) Intel Corporation – Intel® 31244 PCI-X to Serial ATA Controller

Intel^® 31244 PCI-X to Serial ATA Controller
Programming Interface
5.10.2.46 SU PM Capability Identifier Register - SUPM_Cap_ID
Table 84.
The Capability Identifier Register bits adhere to the definitions in the PCI Local Bus Specification,
Revision 2.2. This register in the PCI Extended Capability header identifies the type of Extended
Capability contained in that header. In the case of the GD31244 controller, this is the PCI Bus
Power Management extended capability with an ID of 01H as defined by the PCI Bus Power
Management Interface Specification, Revision 1.1.
SU PM_Capability Identifier Register - SUPM_Cap_ID
PCI
Attributes
7
4
0
ro ro ro ro ro ro ro ro
Bit
07:00
PCI Configuration Offset
E8H
Attribute Legend:
RV = Reserved
PR = Preserved
RS = Read/Set
RW = Read/Write
RC = Read Clear
RO = Read Only
NA = Not Accessible
Default
01H
Description
Cap_Id - This field with its’ 01H value identifies this item in the linked list of Extended Capability Headers
as being the PCI Power Management Registers.
156
April 2004
Developer’s Manual