Intel Xeon Wolfdale E3210 P4X-UPE3210-316-6M1333 Ficha De Dados

Datasheet

179

B/D/F/Type:

0/1/0/PCI

Address Offset: B4–B7h

Default Value:

00040000h

Access:

RWO, RO 

Size:

32 bits

PCI Express Slot related registers.

9:4

RO

00h

Negotiated Link Width (NLW): Indicates negotiated link width. This field is 
valid only when the link is in the L0, L0s, or L1 states (after link width 
negotiation is successfully completed).
01h = x1
10h = x16
All other encodings are reserved. 

3:0

RO

0h

Current Link Speed (CLS): This field indicates the negotiated Link speed of the 
given PCI Express Link.
0001b = 2.5 GT/s PCI Express Link
All other encodings are reserved. The value in this field is undefined when the 
Link is not up.

31:19

RWO

0000h

Physical Slot Number (PSN): Indicates the physical slot number attached to 
this Port.

18

RO

1b

Reserved 

17

RO

0b

Electromechanical Interlock Present (EIP): When set to 1b, this bit 
indicates that an Electromechanical Interlock is implemented on the chassis for 
this slot.

16:15

RWO

00b

Slot Power Limit Scale (SPLS): Specifies the scale used for the Slot Power 
Limit Value.
00 = 1.0x
01 = 0.1x
10 = 0.01x
11 = 0.001x
If this field is written, the link sends a Set_Slot_Power_Limit message.

14:7

RWO

00h

Slot Power Limit Value (SPLV): In combination with the Slot Power Limit 
Scale value, specifies the upper limit on power supplied by slot. Power limit (in 
Watts) is calculated by multiplying the value in this field by the value in the Slot 
Power Limit Scale field.
If this field is written, the link sends a Set_Slot_Power_Limit message.

6:5

RO

00b

Reserved 

4

RO

0b

Power Indicator Present (PIP): When set to 1b, this bit indicates that a 
Power Indicator is electrically controlled by the chassis for this slot.

3

RO

0b

Attention Indicator Present (AIP): When set to 1b, this bit indicates that an 
Attention Indicator is electrically controlled by the chassis.