The table below lists the MCIO connector pinouts of the MCIO harness included in the PCIe Auxiliary Kit. For the MCIO connector pinouts on the ConnectX-9 SuperNIC, refer to MCIO Interface.
|
Additional Electrical Information |
Description/Direction |
Pin |
Pin |
Description/Direction |
Additional Electrical Information |
|---|---|---|---|---|---|
|
|
GND |
A1 |
B1 |
GND |
|
|
|
PETp0 |
A2 |
B2 |
PERp0 |
|
|
|
PETn0 |
A3 |
B3 |
PERn0 |
|
|
|
GND |
A4 |
B4 |
GND |
|
|
|
PETp1 |
A5 |
B5 |
PERp1 |
|
|
|
PETn1 |
A6 |
B6 |
PERn1 |
|
|
|
GND |
A7 |
B7 |
GND |
|
|
Logic: Same power requirements as 3V3_AUX in PCIe spec
|
3V3_AUX (IN) |
A8 |
B8 |
SMBUS_SCL (IN) |
Logic: Open-drain
|
|
Presence of PU/PD: PD termination 42.2 ohm |
FLEXIO0_A |
A9 |
B9 |
SMBUS_SDA (BID) |
Logic: Open-drain
|
|
|
GND |
A10 |
B10 |
GND |
|
|
Logic: PCIe REFCLK IN |
REFCLK_A_Dp (IN) |
A11 |
B11 |
PERST_A_N (IN) |
Logic: Push-pull, active low Voltage Level: 3.3V |
|
Logic: PCIe REFCLK IN |
REFCLK_A_Dn (IN) |
A12 |
B12 |
CBL_PRES_A (OUT) |
Logic: Active low Voltage Level: 3.3V
|
|
|
GND |
A13 |
B13 |
GND |
|
|
|
PETp2 |
A14 |
B14 |
PERp2 |
|
|
|
PETn2 |
A15 |
B15 |
PERn2 |
|
|
|
GND |
A16 |
B16 |
GND |
|
|
|
PETp3 |
A17 |
B17 |
PERp3 |
|
|
|
PETn3 |
A18 |
B18 |
PERn3 |
|
|
|
GND |
A19 |
B19 |
GND |
|
|
|
PETp4 |
A20 |
B20 |
PERp4 |
|
|
|
PETn4 |
A21 |
B21 |
PERn4 |
|
|
|
GND |
A22 |
B22 |
GND |
|
|
|
PETp5 |
A23 |
B23 |
PERp5 |
|
|
|
PETn5 |
A24 |
B24 |
PERn5 |
|
|
|
GND |
A25 |
B25 |
GND |
|
|
Presence of PU/PD: PD termination 42.2 ohm |
FLEXIO1_A/REFCLK_B_Dp |
A26 |
B26 |
FLEXIO3_A/I2C_M_SDA_A (NC) |
Presence of PU/PD: PD termination 42.2 ohm |
|
Presence of PU/PD: PD termination 42.2 ohm |
FLEXIO2_A/REFCLK_B_Dn |
A27 |
B27 |
FLEXIO4_A/I2C_M_SCL_A (NC) |
Presence of PU/PD: PD termination 42.2 ohm |
|
|
GND |
A28 |
B28 |
GND |
|
|
Presence of PU/PD: PD termination 42.2 ohm |
FLEXIO7_A |
A29 |
B29 |
PERST_B_N (IN) |
Presence of PU/PD: PD termination 42.2 ohm |
|
Presence of PU/PD: PD termination 42.2 ohm |
FLEXIO8_A |
A30 |
B30 |
CBL_PRES_B (OUT) |
Presence of PU/PD: PD termination 42.2 ohm |
|
|
GND |
A31 |
B31 |
GND |
|
|
|
PETp6 |
A32 |
B32 |
PERp6 |
|
|
|
PETn6 |
A33 |
B33 |
PERn6 |
|
|
|
GND |
A34 |
B34 |
GND |
|
|
|
PETp7 |
A35 |
B35 |
PERp7 |
|
|
|
PETn7 |
A36 |
B36 |
PERn7 |
|
|
|
GND |
A37 |
B37 |
GND |
|
|
|
|
Key |
|
||
|
|
GND |
A38 |
B38 |
GND |
|
|
|
PETp8 |
A39 |
B39 |
PERp8 |
|
|
|
PETn8 |
A40 |
B40 |
PERn8 |
|
|
|
GND |
A41 |
B41 |
GND |
|
|
|
PETp9 |
A42 |
B42 |
PERp9 |
|
|
|
PETn9 |
A43 |
B43 |
PERn9 |
|
|
|
GND |
A44 |
B44 |
GND |
|
|
|
PETp10 |
A45 |
B45 |
PERp10 |
|
|
|
PETn10 |
A46 |
B46 |
PERn10 |
|
|
|
GND |
A47 |
B47 |
GND |
|
|
|
PETp11 |
A48 |
B48 |
PERp11 |
|
|
|
PETn11 |
A49 |
B49 |
PERn11 |
|
|
|
GND |
A50 |
B50 |
GND |
|
|
|
PETp12 |
A51 |
B51 |
PERp12 |
|
|
|
PETn12 |
A52 |
B52 |
PERn12 |
|
|
|
GND |
A53 |
B53 |
GND |
|
|
|
PETp13 |
A54 |
B54 |
PERp13 |
|
|
|
PETn13 |
A55 |
B55 |
PERn13 |
|
|
|
GND |
A56 |
B56 |
GND |
|
|
|
PETp14 |
A57 |
B57 |
PERp14 |
|
|
|
PETn14 |
A58 |
B58 |
PERn14 |
|
|
|
GND |
A59 |
B59 |
GND |
|
|
|
PETp15 |
A60 |
B60 |
PERp15 |
|
|
|
PETn15 |
A61 |
B61 |
PERn15 |
|
|
|
GND |
A62 |
B62 |
GND |
|
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