Nvidia BlueField-2 User Manual page 31

Item Interface
5 DDR4 SDRAM On-Board Memory
6 NC-SI Management Interface
7 USB 4-pin Vertical Interface
8 1GbE OOB Management
Interface
9 RTC Battery
10 eMMC Interface
11 BMC
12 MMCX RA PPS IN/OUT
Interfaces of MBF2H516A-CEEOT, MBF2H516A-CENOT, MBF2M516A-CECOT, MBF2M516A-CEEOT, MBF2M516A-CENOT
8 units of SDRAM for a total of 16GB/32GB @ 3200MT/s single DDR4 channel, 64bit + 8bit ECC, solder-down memory
Connectivity for remote sideband management (NC-SI over RBT). The NC-SI connector type differs per the product HW version:
In the Engineering samples, a 30-pin NC-SI connector is populated, whereas in HW versions TBD and up, a 20-pin NC-SI connector is populated
Used for OS image loading
1GbE BASE-T OOB management interface
Battery holder for RTC
x8 NAND flash
Embedded BMC on DPU
Enables PPS IN/OUT
Description
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