PCI Express
x1, x4, x8, and x16 PCI Express Connector
Pin B
Pin | Signal | Pin | Signal | Pin | Signal | Pin | Signal | Pin | Signal |
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1 | +12V | 6 | SMDAT | 11 | WAKE# | 16 | GND | 21 | GND |
2 | +12V | 7 | GND | 12 | RSVD | 17 |
| 22 | GND |
3 | RSVD | 8 | +3.3 V | 13 | GND | 18 | GND | 23 | PETp2 |
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4 | GND | 9 | JTAG1 | 14 | PETp0 | 19 | PETp1 | 24 | PETn2 |
5 | SMCLK | 10 | 3.3vAux | 15 | PETn0 | 20 | PETn1 | 25 | GND |
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26 | GND | 31 | PRSNT2# | 36 | GND | 41 | PETp6 | 46 | PETn7 |
27 | PETp3 | 32 | GND | 37 | PETp5 | 42 | PRTn6 | 47 | GND |
28 | PETn3 | 33 | PETp4 | 38 | PETn5 | 43 | GND | 48 | PRSNT2# |
29 | GND | 34 | PETn4 | 39 | GND | 44 | GND | 49 | GND |
30 | RSVD | 35 | GND | 40 | GND | 45 | PETp7 | 50 | PETp8 |
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51 | PETn8 | 56 | GND | 61 | GND | 66 | PETp12 | 71 | PETn13 |
52 | GND | 57 | GND | 62 | PETp11 | 67 | PETn12 | 72 | GND |
53 | GND | 58 | PETp10 | 63 | PETn11 | 68 | GND | 73 | GND |
54 | PETp9 | 59 | PETn10 | 64 | GND | 69 | GND | 74 | PETp14 |
55 | PETn9 | 60 | GND | 65 | GND | 70 | PETp13 | 75 | PETn14 |
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76 | GND | 81 | PRSNT2# |
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77 | GND | 82 | RSVD |
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78PETp15
79PETn15
80GND
Pin B information is on the next page
NOTE: x1 PCI Express uses pins
92