28
Rev 0.30
Mellanox Technologies
B.3 PCI Express x8 Connector Pinout
These cards use a standard PCI Express x8 edge connector and the PCI Express x8 standard pinout according to the
PCI Express 2.0 specification.
Table 15 - Connector Pin To Port Signal Name
Connector Pin
Number
Connector Pin
Name
IB Port A Signal
Name
IB Port B Signal
Name
S1
IBtxIp(0)
Rx_A1
Rx_B1
S2
IBtxIn(0)
Rx_A0
Rx_B0
S3
IBtxIp(1)
Rx_A3
Rx_B3
S4
IBtxIn(1)
Rx_A2
Rx_B2
S5
IBtxIp(2)
Rx_A5
Rx_B5
S6
IBtxIn(2)
Rx_A4
Rx_B4
S7
IBtxIp(3)
Rx_A7
Rx_B7
S8
IBtxIn(3)
Rx_A6
Rx_B6
S9
IBtxOn(3)
Tx_A6
Tx_B6
S10
IBtxOp(3)
Tx_A7
Tx_B7
S11
IBtxOn(2)
Tx_A4
Tx_B4
S12
IBtxOp(2)
Tx_A5
Tx_B5
S13
IBtxOn(1)
Tx_A2
Tx_B2
S14
IBtxOp(1)
Tx_A3
Tx_B3
S15
IBtxOn(0)
Tx_A0
Tx_B0
S16
IBtxOp(0)
Tx_A1
Tx_B1
G1-G6, G9, H1-H2
Signal Ground
GND
GND
G7
1
1. The Sense-3.3V signal is used to enable the Vcc power supply pin (G8)
used to provide power to the active media adapter.
Sense-3.3V
SENSE_P1
SENSE_P2
G8
Vcc
MC_POWER_P1
MC_POWER_P2