Internal device connectors
51
31 PRSNT2# Hot plug presence detect GND Ground
32 GND Ground RSVD Reserved
End of X4 connector
33 PETp4 Transmitter differential pair Lane 4 RSVD Reserved
34 PETn4 Transmitter differential pair Lane 4 GND Ground
35 GND Ground PERp4 Receiver differential pair Lane 4
36 GND Ground PERn4 Receiver differential pair Lane 4
37 PETp5 Transmitter differential pair Lane 5 GND Ground
38 PETn5 Transmitter differential pair Lane 5 GND Ground
39 GND Ground PERp5 Receiver differential pair Lane 5
40 GND Ground PERn5 Receiver differential pair Lane 5
41 PETp6 Transmitter differential pair Lane 6 GND Ground
42 PETn6 Transmitter differential pair Lane 6 GND Ground
43 GND Ground PERp6 Receiver differential pair Lane 6
44 GND Ground PERn6 Receiver differential pair Lane 6
45 PETp7 Transmitter differential pair Lane 7 GND Ground
46 PETn7 Transmitter differential pair Lane 7 GND Ground
47 GND Ground PERp7 Receiver differential pair Lane 7
48 PRSNT2# Hot plug presence detect PERn7 Receiver differential pair Lane 7
49 GND Ground GND Ground
End of x8 connector
50 PETp8 Transmitter differential pair Lane 8 RSVD Reserved
51 PETn8 Transmitter differential pair Lane 8 GND Ground
52 GND Ground PERp8 Receiver differential pair Lane 8
53 GND Ground PERn8 Receiver differential pair Lane 8
54 PETp9 Transmitter differential pair Lane 9 GND Ground
55 PETn9 Transmitter differential pair Lane 9 GND Ground
56 GND Ground PERp9 Receiver differential pair Lane 9
57 GND Ground PERn9 Receiver differential pair Lane 9
58 PETp10 Transmitter differential pair Lane 10 GND Ground
59 PETn10 Transmitter differential pair Lane 10 GND Ground
60 GND Ground PERp10 Receiver differential pair Lane 10
61 GND Ground PERn10 Receiver differential pair Lane 10
62 PETp11 Transmitter differential pair Lane 11 GND Ground
63 PETn11 Transmitter differential pair Lane 11 GND Ground
64 GND Ground PERp11 Receiver differential pair Lane 11
65 GND Ground PERn11 Receiver differential pair Lane 11
66 PETp12 Transmitter differential pair Lane 12 GND Ground
67 PETn12 Transmitter differential pair Lane 12 GND Ground
Pin #
Side B Side A
Signal Description Signal Description
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