Nvidia BlueField-2 InfiniBand User Manual

NVIDIA BlueField-2 InfiniBand/Ethernet DPU User Guide 75
Pin Description
PCI Express Interface
The below tables lists the PCI Express pins description. For further details, please refer to
PCI Express Interface.
Pin # Signal Name Description Pin # Signal Name Description
A1 PRSNT1# Mechanical Present B1 12V
A2 12V B2 12V
A3 12V B3 12V
A4 GND B4 GND
A5 TCK JTAG - Not Connected B5 SMCLK Host SMBus
A6 TDI JTAG - Not Connected B6 SMDAT Host SMBus
A7 TDO JTAG - Not Connected B7 GND
A8 TMS JTAG - Not Connected B8 3.3V 3.3V - Not Connected
A9 3.3V 3.3V - Not Connected B9 TRST# JTAG - Not Connected
A10 3.3V 3.3V - Not Connected B10 3.3V_AUX
A11 PERST# PCIe Reset B11 WAKW#/RSVD
A12 GND B12 RSVD
A13 REFCLK+ Host Reference Clock B13 GND
A14 REFCLK- Host Reference Clock B14 PETP0
A15 GND B15 PETN0
A16 PERP0 B16 GND
A17 PERN0 B17 RSVD
A18 GND B18 GND

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