| Pin | Side B | Side A | Description |
|---|---|---|---|
| 1 | +12 V | GND | Must connect to farthest PRSNT2# pin |
| 2 | +12 V | GND | |
| 3 | +12 V | GND | |
| 4 | ? | ? | |
| 5 | Taster | LED | |
| 6 | PERSTN | LED | |
| 7 | SDA | GND | |
| 8 | SCL | ? | |
| 9 | +3.3/5 V (? - is verbunden mit B11) |
? | |
| 10 | GND | ? | |
| 11 | +3.3/5 V | GND | |
| Key notch | |||
| 12 | ? | GND | |
| 13 | ? | PECLK_P | Reference clock differential pair |
| 14 | GND | PECLK_N | |
| 15 | PER_0_P | GND | Lane 0 receive data, + and − |
| 16 | PER_0_N | GND | |
| 17 | GND | PET_0_P | Lane 0 transmit data, + and − |
| 18 | GND | PET_0_N | |
| 19 | PER_1_P | GND | Lane 1 transmit data, + and − |
| 20 | PER_1_N | GND | |
| 21 | GND | PET_1_P | Lane 1 receive data, + and − |
| 22 | GND | PET_1_N | |
| 23 | PER_2_P | GND | Lane 2 transmit data, + and − |
| 24 | PER_2_N | GND | |
| 25 | GND | PET_2_P | Lane 2 receive data, + and − |
| 26 | GND | PET_2_N | |
| 27 | PER_3_P | GND | Lane 3 transmit data, + and − |
| 28 | PER_3_N | GND | |
| 29 | GND | PET_3_P | Lane 3 receive data, + and − |
| 30 | GND | PET_3_N | |
| 31 | PER_4_P | GND | |
| 32 | PER_4_N | GND | |
| 33 | GND | PET_4_P | Lane 4 transmit data, + and − |
| 34 | GND | PET_4_N | |
| 35 | PER_5_P | GND | Lane 4 receive data, + and − |
| 36 | PER_5_N | GND | |
| 37 | GND | PET_5_P | Lane 5 transmit data, + and − |
| 38 | GND | PET_5_N | |
| 39 | PER_6_P | GND | Lane 5 receive data, + and − |
| 40 | PER_6_N | GND | |
| 41 | GND | PET_6_P | Lane 6 transmit data, + and − |
| 42 | GND | PET_6_N | |
| 43 | PER_7_P | GND | Lane 6 receive data, + and − |
| 44 | PER_7_N | GND | |
| 45 | GND | PET_7_P | Lane 7 transmit data, + and − |
| 46 | ? | PET_7_N | |
| 47 | +12 V | GND | Lane 7 receive data, + and − |
| 48 | +12 V | GND | |
| 49 | +12 V | GND | |