Intel G640T CM8062301002204 User Manual
Product codes
CM8062301002204
Processor Configuration Registers
196
Datasheet, Volume 2
2.12.14 DMIESD—DMI Element Self Description Register
This register provides information about the root complex element containing this Link
Declaration Capability.
Declaration Capability.
B/D/F/Type:
0/0/0/DMIBAR
Address Offset:
44–47h
Reset Value:
0100_0202h
Access:
RO, RW-O
Size:
32 bits
BIOS Optimal Default
0h
Bit
Attr
Reset
Value
RST/
PWR
Description
31:24
RO
01h
Uncore
Port Number (PORTNUM)
This field specifies the port number associated with this element
This field specifies the port number associated with this element
with respect to the component that contains this element. This port
number value is utilized by the egress port of the component to
provide arbitration to this Root Complex Element.
23:16
RW-O
00h
Uncore
Component ID (CID)
This field identifies the physical component that contains this Root
This field identifies the physical component that contains this Root
Complex Element.
BIOS Requirement: Must be initialized according to guidelines in
BIOS Requirement: Must be initialized according to guidelines in
the PCI Express* Isochronous/Virtual Channel Support Hardware
Programming Specification (HPS).
15:8
RO
02h
Uncore
Number of Link Entries (NLE)
This field indicates the number of link entries following the Element
This field indicates the number of link entries following the Element
Self Description. This field reports 2 (one for MCH egress port to
main memory and one to egress port belonging to ICH on other
side of internal link).
7:4
RO
0h
Reserved
3:0
RO
2h
Uncore
Element Type (ETYP)
This field indicates the type of the Root Complex Element.
A value of 2h represents an Internal Root Complex Link (DMI).
This field indicates the type of the Root Complex Element.
A value of 2h represents an Internal Root Complex Link (DMI).