Intel i7-2600 CM8062300834302S User Manual

Datasheet, Volume 2

129

This register reports the Virtual Channel specific status.

This register reports PCI Express configuration control of PCI Express Completion Time-

out related parameters that are not required by the PCI Express specification.

15:2

RO

0h

1

RO-V

1b

Uncore

VC0 Negotiation Pending (VC0NP)
0 = The VC negotiation is complete.

1 = The VC resource is still in the process of negotiation 

(initialization or disabling).

This bit indicates the status of the process of Flow Control 

initialization. It is set by default on Reset, as well as whenever the 

corresponding Virtual Channel is Disabled or the Link is in the 

DL_Down state. It is cleared when the link successfully exits the 

FC_INIT2 state.
Before using a Virtual Channel, software must check whether the 

VC Negotiation Pending fields for that Virtual Channel are cleared 

in both Components on a Link.

0

RO

0h

31:15

RO

00000000

00000000

0b

14:12

RW

111b

PCI Express Completion Time-out (PEG_TC)
This register determines the number of milliseconds the 

Transaction Layer will wait to receive an expected completion. To 

avoid hang conditions, the Transaction Layer will generate a 

dummy completion to the requestor if it does not receive the 

completion within this time period.
000 = Disable
001 = Reserved
010 = Reserved
100 = Reserved
101 = Reserved
110 = Reserved
x11 = 48 ms – for normal operation

11:0

RO

00000000

0000b