Справочник Пользователя для Intel Xeon X3460 BX80605X3460

Intel® Xeon® Processor 3400 Series Datasheet, Volume 2

105

The PCI Express Device Capabilities register identifies device specific information for 
the device.

31:28

RO

0h

Reserved 

27:26

RO

0h

Captured Slot Power Limit Scale
Does not apply to root ports or integrated devices.

25:18

RO

00h

Captured Slot Power Limit Value
Does not apply to root ports or integrated devices. 

17:16

RO

0h

15

RO

1

Role Based Error Reporting 
Integrated I/O is 1.1 compliant and so supports this feature.

14

RO

0

Power Indicator Present on Device
Does not apply to root ports or integrated devices. 

13

RO

0

Attention Indicator Present
Does not apply to root ports or integrated devices. 

12

RO

0

Attention Button Present
Does not apply to root ports or integrated devices. 

11:9

RO

000

Endpoint L1 Acceptable Latency
Does not apply to Integrated I/O. 

8:6

RO

000

Endpoint L0s Acceptable Latency
Does not apply to Integrated I/O. 

5

RO

0

Extended Tag Field Supported
Integrated I/O devices support only 5-bit tag field.

4:3

RO

0h

Phantom Functions Supported
Integrated I/O does not support phantom functions.

2:0

RO

000

Max Payload Size Supported
Integrated I/O supports 256B payloads on Express port and 128B on the 

reminder of the devices.