34
Rev 1.2
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 22 - Connector Pin Name and Number to Signal Name Correspondence
Connector Pin
Number
Connector Pin
Name
IB Port A Signal
Name
S1
IBtxIp(0)
Rx_A1
S2
IBtxIn(0)
Rx_A0
S3
IBtxIp(1)
Rx_A3
S4
IBtxIn(1)
Rx_A2
S5
IBtxIp(2)
Rx_A5
S6
IBtxIn(2)
Rx_A4
S7
IBtxIp(3)
Rx_A7
S8
IBtxIn(3)
Rx_A6
S9
IBtxOn(3)
Tx_A6
S10
IBtxOp(3)
Tx_A7
S11
IBtxOn(2)
Tx_A4
S12
IBtxOp(2)
Tx_A5
S13
IBtxOn(1)
Tx_A2
S14
IBtxOp(1)
Tx_A3
S15
IBtxOn(0)
Tx_A0
S16
IBtxOp(0)
Tx_A1
G1-G6, G9, H1-H2
Signal Ground
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
G8
Vcc
MC_POWER_P1