4 Ethernet QSFP56 Interfaces Ethernet traffic is transmitted through the controller’s QSFP28 connectors. The QSFP28 connectors allow for the use of Optical
modules and cable interconnect solutions.
5 USB Connector
USB Type-B Bracket mounted on card
6 I²C0 Interface
For ConnectX-5 Debug
7 UART0 Interface
BlueField UART0 (Console): connected to a transceiver and header
8 JTAG CoreSight 10
For Arm debugging
9 External PCIe Power Supply Interfaces
Along with the PCIe interface, this connector provides power to the board.
10 NCSI Management Interface
Connectivity channel between the BMC CPU and the BlueField Arm Array
11 CPLD Interface
CPLD for board periphery control and power sequencing
12 eMMC Interface
16GB eMMC Flash memory for software
13 DDR4 SODIMM Memory
2 Channel DDR4 SODIMMs, 64bit +ECC
SPI Flash Memory
SPI Flash for NIC firmware
14 Networking LED Interfaces
One bi-color LED per port.
15 CPLD Revision LEDs Interface
Four green LEDs indicating CPLD revision
16 CABLINE-CA II PLUS Connector LED Interfaces
One green LED indicating a proper mating connection to cable
17 Power-Good Signal LED Interface
One green LED indicating power-good signal
18 PCI Link Status LEDs
2 bi-color LEDs that indicate proper link status of PCI0 and PCI1
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