Datasheet

Processor Configuration Registers
Intel
®
Core
TM
i7-660UE, i7-620LE/UE, i7-610E, i5-520E, i3-330E and Intel
®
Celeron
®
Processor P4505, U3405 Series
Datasheet Addendum August 2010
134 Document Number: 323178-003
6.3 PCI Device 6 - Extended Configuration
6.3.1 VCECH - Virtual Channel Enhanced Capability Header
B/D/F/Type: 0/6/0/MMR
Address Offset: 100-103h
Default Value: 00010002h
Access: RW-O; RO;
Size: 32 bits
Indicates PCI Express device Virtual Channel capabilities. Extended capability
structures for PCI Express devices are located in PCI Express extended configuration
space and have different field definitions than standard PCI capability structures.
6.3.2 PVCCAP1 - Port VC Capability Register 1
B/D/F/Type: 0/6/0/MMR
Address Offset: 104-107h
Default Value: 00000000h
Access: RO;
Table 72. PCI Device 6 - Extended Configuration
Register Name
Register
Symbol
Register
Start
Register
End
Default Value Access
Virtual Channel Enhanced Capability
Header
VCECH 100 103 00010002h RW-O; RO;
Port VC Capability Register 1 PVCCAP1 104 107 00000000h RO;
Port VC Capability Register 2 PVCCAP2 108 10B 00000000h RO;
Port VC Control PVCCTL 10C 10D 0000h RO; RW;
VC0 Resource Capability VC0RCAP 110 113 00000001h RO;
VC0 Resource Control VC0RCTL 114 117 800000FFh RO; RW;
VC0 Resource Status VC0RSTS 11A 11B 0002h RO;
Table 73. VCECH - Virtual Channel Enhanced Capability Header
Bit Access Default
Value
RST/
PWR
Description
31:20 RW-O 000h Core Pointer to Next Capability (PNC):
The Link Declaration Capability is the next in the PCI
Express extended capabilities list.
19:16 RO 1h Core PCI Express Virtual Channel Capability Version
(PCIEVCCV):
hard wired to 1 to indicate compliances with the 1.1
version of the PCI Express specification. Note: This version
does not change for 2.0 compliance
15:0 RO 0002h Core Extended Capability ID (ECID):
Value of 0002 h identifies this linked list item (capability
structure) as being for PCI Express Virtual Channel
registers.