Pinouts Description
The following table lists the NC-SI management interface pinout descriptions. For further details, please refer to NC-SI Sideband Interface.
Pin Name | Pin Description |
GND | Ground |
RBT_RDX0 | Receive data. Data signals from the network controller to the BMC. |
RBT_RDX1 | |
RBT_CRS_DV | Carrier sense/receive data validly |
GND | Ground |
RBT_TX0 | Transmit data. Data signals from the BMC to the network controller |
RBT_TX1 | |
RBT_TX_EN | Transmit enable |
RBT_REF_CLK | RBT Reference clock |
GND | Ground |
ARB_OUT | NC-SI hardware arbitration output |
ARB_IN | NC-SI hardware arbitration input |
GND | Ground |
I2C_CLK0 | I2C clock (Debug) |
I2C_SDA0 | I2C Data (Debug) |
PKG_ID0 | NC-SI PKG_ID [0] |
PKG_ID1 | NC-SI PKG_ID [1] |
RBT_ISOLATE_N | The signal used to indicate the board has powered and is ready for the NC-SI physical layer connection to be present |
FNP | ConnectX Flash is NOT present |
enable_inband_recovery | PCIe operatiin live fish mode |
PPS IN | PPS input for timing applications |
PPS OUT | PPS output for timing applications |
RSVD3 | Reserved |
RSVD4 | Reserved |
RSVD5 | Reserved |
RSVD6 | Reserved |
RSVD7 | Reserved |
RSVD8 | Reserved |
RSVD9 | Reserved |
RSVD10 | Reserved |
The tables below list the MCIO connector pinout descriptions, per SuperNIC OPN. For further details, please refer to MCIO Connector.
Default (Socket-Direct/Multi-Host) Pinouts for 900-9X81Q-00CN-ST0 and 900-9X81E-00EX-ST0 SuperNICs
Description | Pin | Pin | Description | ||
GND | A1 | B1 | GND | ||
PERp0 | A2 | B2 | PETp0 | ||
PERn0 | A3 | B3 | PETn0 | ||
GND | A4 | B4 | GND | ||
PERp1 | A5 | B5 | PETp1 | ||
PERn1 | A6 | B6 | PETn1 | ||
GND | A7 | B7 | GND | ||
IN | SMBUS_SCL | A8 | B8 | 3V3_AUX | IN |
BID | SMBUS_SDA | A9 | B9 | FLEXIO0_A | |
GND | A10 | B10 | GND | ||
IN | PERST_A_N | A11 | B11 | REFCLK_A_Dp | IN |
OUT | CBL_PRES_A | A12 | B12 | REFCLK_A_Dn | IN |
GND | A13 | B13 | GND | ||
PERp2 | A14 | B14 | PETp2 | ||
PERn2 | A15 | B15 | PETn2 | ||
GND | A16 | B16 | GND | ||
PERp3 | A17 | B17 | PETp3 | ||
PERn3 | A18 | B18 | PETn3 | ||
GND | A19 | B19 | GND | ||
PERp4 | A20 | B20 | PETp4 | ||
PERn4 | A21 | B21 | PETn4 | ||
GND | A22 | B22 | GND | ||
PERp5 | A23 | B23 | PETp5 | ||
PERn5 | A24 | B24 | PETn5 | ||
GND | A25 | B25 | GND | ||
FLEXIO3_A/I2C_M_SDA_A (NC) | A26 | B26 | FLEXIO1_A/REFCLK_B_Dp | ||
FLEXIO4_A/I2C_M_SCL_A (NC) | A27 | B27 | FLEXIO2_A/REFCLK_B_Dn | ||
GND | A28 | B28 | GND | ||
IN | PERST_B_N | A29 | B29 | FLEXIO7_A | |
OUT | CBL_PRES_B | A30 | B30 | FLEXIO8_A | |
GND | A31 | B31 | GND | ||
PERp6 | A32 | B32 | PETp6 | ||
PERn6 | A33 | B33 | PETn6 | ||
GND | A34 | B34 | GND | ||
PERp7 | A35 | B35 | PETp7 | ||
PERn7 | A36 | B36 | PETn7 | ||
GND | A37 | B37 | GND | ||
Key | |||||
GND | A38 | B38 | GND | ||
PERp8 | A39 | B39 | PETp8 | ||
PERn8 | A40 | B40 | PETn8 | ||
GND | A41 | B41 | GND | ||
PERp9 | A42 | B42 | PETp9 | ||
PERn9 | A43 | B43 | PETn9 | ||
GND | A44 | B44 | GND | ||
PERp10 | A45 | B45 | PETp10 | ||
PERn10 | A46 | B46 | PETn10 | ||
GND | A47 | B47 | GND | ||
PERp11 | A48 | B48 | PETp11 | ||
PERn11 | A49 | B49 | PETn11 | ||
GND | A50 | B50 | GND | ||
PERp12 | A51 | B51 | PETp12 | ||
PERn12 | A52 | B52 | PETn12 | ||
GND | A53 | B53 | GND | ||
PERp13 | A54 | B54 | PETp13 | ||
PERn13 | A55 | B55 | PETn13 | ||
GND | A56 | B56 | GND | ||
PERp14 | A57 | B57 | PETp14 | ||
PERn14 | A58 | B58 | PETn14 | ||
GND | A59 | B59 | GND | ||
PERp15 | A60 | B60 | PETp15 | ||
PERn15 | A61 | B61 | PETn15 | ||
GND | A62 | B62 | GND | ||
Switch Mode Pinouts for 900-9X81E-00EX-DT0 SuperNICs
Direction | Description | Pin | Pin | Description | Direction |
GND | A1 | B1 | GND | ||
PERp0 | A2 | B2 | PETp0 | ||
PERn0 | A3 | B3 | PETn0 | ||
GND | A4 | B4 | GND | ||
PERp1 | A5 | B5 | PETp1 | ||
PERn1 | A6 | B6 | PETn1 | ||
GND | A7 | B7 | GND | ||
OUT | 3V3_AUX | A8 | B8 | SMBUS_SCL_A | OUT |
IN | VPP_INT_N | A9 | B9 | SMBUS_SDA_A | Bi-Directional |
GND | A10 | B10 | GND | ||
OUT | REFCLK_A_Dp | A11 | B11 | PERST_A_N | OUT |
OUT | REFCLK_A_Dn | A12 | B12 | CBL_PRES_A | IN |
GND | A13 | B13 | GND | ||
PERp2 | A14 | B14 | PETp2 | ||
PERn2 | A15 | B15 | PETn2 | ||
GND | A16 | B16 | GND | ||
PERp3 | A17 | B17 | PETp3 | ||
PERn3 | A18 | B18 | PETn3 | ||
GND | A19 | B19 | GND | ||
PERp4 | A20 | B20 | PETp4 | ||
PERn4 | A21 | B21 | PETn4 | ||
GND | A22 | B22 | GND | ||
PERp5 | A23 | B23 | PETp5 | ||
PERn5 | A24 | B24 | PETn5 | ||
GND | A25 | B25 | GND | ||
BID | VPP_SDA_A | A26 | B26 | FLEXIO3_A /PWRBRK/SER_CLK(NC) | |
OUT | VPP_SCL_A | A27 | B27 | FLEXIO4_A /WAKE/SER_CAPTURE(NC) | |
GND | A28 | B28 | GND | ||
FLEXIO7_A/USB2_A_Dp /SER_DO(NC) | A29 | B29 | PERST_B_N | OUT | |
FLEXIO8_A/USB2_A_Dn/SER_DI(NC) | A30 | B30 | CBL_PRES_B | IN | |
GND | A31 | B31 | GND | ||
PERp6 | A32 | B32 | PETp6 | ||
PERn6 | A33 | B33 | PETn6 | ||
GND | A34 | B34 | GND | ||
PERp7 | A35 | B35 | PETp7 | ||
PERn7 | A36 | B36 | PETn7 | ||
GND | A37 | B37 | GND | ||
Key | |||||
GND | A38 | B38 | GND | ||
PERp8 | A39 | B39 | PETp8 | ||
PERn8 | A40 | B40 | PETn8 | ||
GND | A41 | B41 | GND | ||
PERp9 | A42 | B42 | PETp9 | ||
PERn9 | A43 | B43 | PETn9 | ||
GND | A44 | B44 | GND | ||
OUT | PERp10 | A45 | B45 | PETp10 | OUT |
PERn10 | A46 | B46 | PETn10 | BID | |
GND | A47 | B47 | GND | ||
OUT | PERp11 | A48 | B48 | PETp11 | OUT |
OUT | PERn11 | A49 | B49 | PETn11 | |
GND | A50 | B50 | GND | ||
PERp12 | A51 | B51 | PETp12 | ||
PERn12 | A52 | B52 | PETn12 | ||
GND | A53 | B53 | GND | ||
PERp13 | A54 | B54 | PETp13 | ||
PERn13 | A55 | B55 | PETn13 | ||
GND | A56 | B56 | GND | ||
PERp14 | A57 | B57 | PETp14 | ||
PERn14 | A58 | B58 | PETn14 | ||
GND | A59 | B59 | GND | ||
PERp15 | A60 | B60 | PETp15 | ||
PERn15 | A61 | B61 | PETn15 | ||
GND | A62 | B62 | GND | ||