4.41 Capability ID Register
The capability ID register identifies the linked list item as the register for PCI power management. The register returns
01h when read, which is the unique ID assigned by the PCI SIG for the PCI location of the capabilities pointer and
the value.
Bit
7
6
5
4
3
2
1
0
Name
Type
Default
Capability ID
R
0
R
0
R
0
R
0
R
0
R
0
R
0
R
1
Register:
Offset:
Type:
Capability ID
A0h
Read-only
01h
Default:
4.42 Next Item Pointer Register
The contents of this register indicate the next item in the linked list of the PCI power management capabilities.
Because the PCI6x21/PCI6x11 functions only include one capabilities item, this register returns 0s when read.
Bit
7
6
5
4
3
2
1
0
Name
Type
Default
Next item pointer
R
0
R
0
R
0
R
0
R
0
R
0
R
0
R
0
Register:
Offset:
Type:
Next item pointer
A1h
Read-only
00h
Default:
4−30