Nvidia BlueField-2 User Manual page 100

Pin #
10 GND
11 NCSI_CRS_DV
12 GND
13 NCSI_TX_D0
14 GND
15 NCSI_TX_D1
16 GND
17 NCSI_TX_EN
18 GND
19 Reserved
20 Reserved
21 BMC_I2C2_SDA
22 NIC_BMC_CTRL1, connected to BMC device pin W4 (Open Drain)
23 BMC_I2C2_SCL
24 PACK_ID2, connected to BlueField-2 device pin NIC_GPIO[46]
25 GND
26 NIC_BMC_CTRL0, connected to BMC device pin Y3 (Open Drain)
27 Not Connected
28 BMC_TX5
29 Not Connected
30 BMC_RX5
Pin Description I/O
GND
Output
GND
Input
GND
Input
GND
Input
GND
Input/Output
Input/Output
Input/Output
Input
GND
Output
Input
Description / Comments
Ground
Carrier Sense / Receive Data Valid
Ground
Transmit Data In 0
Ground
Transmit Data In 0
Ground
Transmit Enable
Ground
Open-drain signal
Open-drain signal
Open-drain signal
See the note above the table
Ground
UART transmit serial data output
UART transmit serial data input
100