FS4400 PCI Express State Analysis Probe User Manual - FuturePlus ...

LAI Bit Definitions for a Single Direction x2, x4 Link 10b mode
(4 Pods, 1 machine)
Field Bits Definition Pod Bits
Unused 12 Set to 0 A4 16:5
Align Flag 1 1 = Alignment of multi-lane link detected B4 4
Any Invalid Error Flag 1 1 = This state includes a 10B code error (disparity or
decode) in any active lane.
3
LOS[3,2,1,0] 4 1 = Corresponding lane Loss of Signal.
2:0
0 = Signal detect. A3 16
ANY LOS 1 1 = Any Lane Loss of Signal
B3 15
0= Signal detect on all active lanes
Lane 0 Disparity Error 1 1 = Lane data is the wrong 10B disparity 14
Lane 0 Invalid Decode Error 1 1 = Lane data is an invalid 10B decode 13
Lane 0 10B Data 10 Encoded 10b value 12:3
Lane 1 Disparity Error 1 1 = Lane data is the wrong 10B disparity 2
Lane 1Invalid Decode Error 1 1 = Lane data is an invalid 10B decode 1
Lane 1 10B Data 10 Encoded 10b value
0
A2 16:8
Lane 2 Disparity Error 1 1 = Lane data is the wrong 10B disparity B2 7
Lane 2 Invalid Decode Error 1 1 = Lane data is an invalid 10B decode 6
Lane 2 10B Data 10 Encoded 10b value
5:0
A1 15:12
Lane 3 Disparity Error 1 1 = Lane data is the wrong 10B disparity B1 11
Lane 3 Invalid Decode Error 1 1 = Lane data is an invalid 10B decode 10
Lane 3 10B Data 10 Encoded 10b value
9:0
The clock is on A1 bit 16 (B1 bit 16).
LAI Bit Definitions For a Single Direction X1 Link
(1 Pod, 1 machine) (repeat for 2 nd link-direction)
Field Bits Definition Pod Bits
ANY LOS 1 1 = Any Lane Loss of Signal
A1 15
Lane 0 Disparity Error 1
0= Signal detect on all active lanes
1 = Lane data is the wrong 10B disparity
B1
14
Lane 0 Invalid Decode 1 1 = Lane data is an invalid 10B decode 13
Error
Lane0 10 Encoded 10b value 12:3
Unused 2 Set to 0 2:1
Any Invalid Error Flag 1 1 = This state includes a 10B code error
0
(disparity or decode) in any active lane.
The clock is on A1 bit 16 (B1 bit 16).
56