Nvidia BlueField-2 InfiniBand User Manual

NVIDIA BlueField-2 InfiniBand/Ethernet DPU User Guide 83
Pin
#
Pin Name I/O
Description /
Comments
1 NCSI_REF_CLK Input
50MHz REF CLK for NC-
SI BUS
2 GND GND Ground
3 NCSI_ARB_IN Input
NC-SI hardware
arbitration input
4
PACK_ID0, connected to BlueField-2 device
pin NIC_GPIO[49]
Input
See the note above
table
5 NCSI_ARB_OUT Output
NC-SI hardware
arbitration output
6
PACK_ID1, connected to BlueField-2 device
pin NIC_GPIO[47]
Input
See the note above
table
7 NCSI_RX_D0 Output Receive Data Out 0
8 GND GND Ground
9 NCSI_RX_D1 Output Receive Data Out 1
10 GND GND Ground
11 NCSI_CRS_DV Output
Carrier Sense / Receive
Data Valid
12 GND GND Ground
13 NCSI_TX_D0 Input Transmit Data In 0
14 GND GND Ground
15 NCSI_TX_D1 Input Transmit Data In 0
16 GND GND Ground
17 NCSI_TX_EN Input Transmit Enable
18 GND GND Ground
19 Reserved
20 Reserved
21 BMC_I2C2_SDA
Input/Ou
tput
Open-drain signal

Nvidia BlueField-2 InfiniBand Specifications

General

Processor	Arm Cortex-A72
Connectivity	InfiniBand, Ethernet
Security	Hardware Root of Trust, Secure Boot
Crypto Acceleration	Yes
Architecture	Arm
PCIe Interface	PCIe 4.0 x16
Security Acceleration	Yes
Network Acceleration	Yes
Network Interface	InfiniBand
Memory	16GB DDR4
Form Factor	PCIe
Product Type	DPU (Data Processing Unit)
Ethernet Speed	200Gbps
Storage	NVMe over Fabric support
Networking Features	RDMA, RoCE, SR-IOV
Cores	8x Arm A72 cores