EPBAR Registers—Egress Port Register Summary
R
96
Intel
®
82925X/82925XE MCH Datasheet
6.1.4
EPLE2D—EP Link Entry 2 Description
MMIO Range:
EPBAR
Address Offset:
060h
Default Value:
02000002h
Access: R/WO,
RO
Size: 32
bits
This register provides the First part of a Link Entry that declares an internal link to another Root
Complex Element.
Bit Access
&
Default
Description
31:24 RO
02h
Target Port Number:
This field specifies the port number associated with the
element targeted by this link entry (PCI Express* x16 Graphics Interface). The
target port number is with respect to the component that contains this element as
specified by the target component ID.
23:16 R/WO
00h
Target Component ID:
This field identifies the physical or logical component that
is targeted by this link entry. A value of 0 is reserved; 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.
15:2
Reserved
1 RO
1b
Link Type:
1 = Link points to configuration space of the integrated device that controls the
x16 root port. The link address specifies the configuration address (segment,
bus, device, function) of the target root port.
0 R/WO
0b
Link Valid
0 = Link Entry is not valid and will be ignored.
1 = Link Entry specifies a valid link.
Содержание 82925X
Страница 78: ...Host Bridge DRAM Controller Registers D0 F0 R 78 Intel 82925X 82925XE MCH Datasheet...
Страница 98: ...EPBAR Registers Egress Port Register Summary R 98 Intel 82925X 82925XE MCH Datasheet...
Страница 108: ...DMIBAR Registers Direct Media Interface DMI RCRB R 108 Intel 82925X 82925XE MCH Datasheet...
Страница 156: ...Host PCI Express Graphics Bridge Registers D1 F0 R 156 Intel 82925X 82925XE MCH Datasheet...
Страница 172: ...System Address Map R 172 Intel 82925X 82925XE MCH Datasheet...
Страница 192: ...Electrical Characteristics R 192 Intel 82925X 82925XE MCH Datasheet...
Страница 220: ...Ballout and Package Information R 220 Intel 82925X 82925XE MCH Datasheet Figure 12 3 MCH Package Dimensions MCH...