82NM10 Datasheet, PDF (271/671 Pages) Intel Corporation – Intel® NM10 Family Express Chipset

Chipset Configuration Registers
10.1.11 V1STS—Virtual Channel 1 Resource Status Register
Offset Address: 0026–0027h
Default Value: 0000h
Attribute:
Size:
RO
16-bit
Bit
Description
15:02
1
0
Reserved
VC Negotiation Pending (NP) — RO.
0 = Virtual channel is Not being negotiated with ingress ports.
1 = The virtual channel is still being negotiated with ingress ports.
Port Arbitration Tables Status (ATS) — RO. This field indicates the coherency
status of the port arbitration table. This bit is set when LAT (offset 000Ch:bit 0) is
written with value 1 and PAS (offset 0014h:bits19:17) has value of 4h. This bit is
cleared after the table has been updated.
10.1.12 RCTCL—Root Complex Topology Capabilities List Register
Offset Address: 0100–0103h
Default Value: 1A010005h
Attribute:
Size:
RO
32-bit
Bit
Description
31:20
19:16
15:0
Next Capability (NEXT) — RO. This field indicates the next item in the list.
Capability Version (CV) — RO. This field indicates the version of the capability
structure.
Capability ID (CID) — RO. This field indicates this is a PCI Express* link capability
section of an RCRB.
10.1.13 ESD—Element Self Description Register
Offset Address: 0104–0107h
Default Value: 00000602h
Attribute:
Size:
R/WO, RO
32-bit
Bit
Description
31:24
23:16
15:8
7:4
3:0
Port Number (PN) — RO. A value of 0 to indicate the egress port for the Chipset.
Component ID (CID) — R/WO. This field indicates the component ID assigned to
this element by software. This is written once by platform BIOS and is locked until a
platform reset.
Number of Link Entries (NLE) — RO. This field indicates that one link entry
(corresponding to DMI), 6 root port entries (for the downstream ports), and the Intel
HD Audio device are described by this RCRB.
Reserved
Element Type (ET) — RO. This field indicates that the element type is a root
complex internal link.
Datasheet
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