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Power Management for the Graphics Controller
6.2.6
Next Item Pointer (Offset = 1)
The Next Item Pointer register describes the location of the next item in the capability list of the function. The value given
is an offset in the PCI Configuration Space of that function. This register must be set to 00h if the function does not
implement any other capabilities defined by the PCI Specifications for inclusion in the capabilities list, or if power
management is the last item in the list.
Table 6-9 Next Item Pointer (NEXT_ITEM_PTR)
Default
Bits
Value
07:00
80h
© 2009 Advanced Micro Devices, Inc.
Proprietary
PCI Configuration Header
Offset 34h
Offset 50h
Offset 5Ch
Figure 6-1 Linked List for Capabilities
Read/
Write
Read Only
This field provides an offset in the PCI Configuration Space of the function pointing to the location
of next item in the capability list of the function. For Power Management of the RS780E, this
pointer is set to 80h and it points to the next capability pointer of the MSI structure.
Cap_Ptr = 50h
8 bits
5Ch
02
AGP Capability
00h
01
PM Registers
Description
45732 AMD 780E Databook 3.10
6-5
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