DMIBAR Registers—Direct Media Interface (DMI) RCRB
R
106
Intel
®
82925X/82925XE MCH Datasheet
7.1.10
DMIVC1RSTS—DMI VC1 Resource Status
MMIO Range:
DMIBAR
Address Offset:
026h
Default Value:
0000h
Access: RO
Size: 16
bits
This register reports the Virtual Channel specific status.
Bit Access
&
Default
Description
15:2
Reserved
1 RO
0b
VC Negotiation Pending (NP):
0 = Virtual channel is Not being negotiated with ingress ports.
1 = Virtual channel is still being negotiated with ingress ports.
0 RO
0b
Port Arbitration Tables Status (ATS):
This bit indicates the coherency status of
the port arbitration table.
1 = LAT (offset 000Ch:bit 0) is written with value 1 and PAS (offset
0014h:bits19:17) has value of 4h.
0 = This bit is cleared after the table has been updated.
7.1.11
DMILCAP—DMI Link Capabilities
MMIO Range:
DMIBAR
Address Offset:
084h
Default Value:
00012C41h
Access: R/WO,
RO
Size: 32
bits
This register indicates DMI specific capabilities.
Bit Access
&
Default
Description
31:18
Reserved
17:15 R/WO
010b
L1 Exit Latency (EL1).
L1 not supported on DMI.
14:12 R/WO
010b
L0s Exit Latency (EL0):
This field indicates that exit latency is 128 ns to less
than 256 ns.
11:10 RO
11b
Active State Link PM Support (APMS):
This field indicates that L0s is supported
on DMI.
9:4 RO
4h
Maximum Link Width (MLW):
This field indicates the maximum link width is
4 ports.
3:0 RO
1h
Maximum Link Speed (MLS):
This field indicates the link speed is 2.5 Gb/s.
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...