Epesd-Ep Element Self Description - Intel 925 - Pentium D 925 3.0GHz 800MHz 4MB-Cache Socket 775 CPU Datasheet

EPBAR Registers—Egress Port Register Summary
6.1.1 EPESD—EP Element Self Description
MMIO Range:
Address Offset:
Default Value:
Access:
Size:
This register provides information about the root complex element containing this Link
Declaration capability.
Bit
31:24
23:16
15:8
7:4
3:0
94
Access
& Default
RO Port Number: This field specifies the port number associated with this element with
00h respect to the component that contains this element. A value of 00h indicates to
configuration software that this is the default egress port.
R/WO Component ID: This field identifies the physical component that contains this Root
00h Complex Element. Component IDs start at 1.
This value is a mirror of the value in the Component ID field of all elements in this
component. The value only needs to be written in one of the mirrored fields and it
will be reflected everywhere that it is mirrored.
RO Number of Link Entries: This field indicates the number of link entries following
02h the Element Self Description. This field reports 2 (one each for PCI Express* x16
Graphics Interface and DMI).
Reserved
RO Element Type: This field Indicates the type of the Root Complex Element.
1h
1h = Port to system memory
EPBAR
044h
00000201h
R/WO, RO
32 bits
Description
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Intel 82925X/82925XE MCH Datasheet
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