The Cabline CA-II connectors mate with two 60-pin Cabline CA-II cables that can be distinguished by
their black or white external insulators and connector pinouts. The black Cabline CA-II cable mates
with the DPU Controller's component (top) side, whereas the white Cabline CA-II cable mates with
the DPU Controller print (bottom) side. The Cabline CA-II cables are offered in three standard
lengths; 150mm and 350mm. For connector pinouts, please refer to Cabline CA-II Plus Connectors
Pinouts.
3.2.13 Integrated BMC Interface
The DPU Controller incorporates an onboard integrated NIC BMC and an Ethernet switch. The BMC
becomes available once the host server powers up the card. The NIC BMC can control the DPU
Controller's power and enables DPU Controller shutdown and power-up.
3.2.14 NVMe SSD Interface
The on-board 128GB NVMe SSD is utilized for the storage of user applications and logs. It is
important to note that all SSD devices come with a limitation on the total number of write
operations they can handle throughout their lifespan. This limit is influenced significantly by the
software use case and specific parameters like block size and the pattern of data access (whether it
is sequential or random).
It is the customer's responsibility to oversee the rate at which the SSD ages during both the
validation of the code and its usage in the field, ensuring that it aligns with the intended use case.
3.2.15 RTC Battery
BlueField-3 incorporates a coin type Lithium battery CR621 for RTC (Real Time Clock).
3.2.16 eMMC Interface
The eMMC is an x8 NAND flash used for Arm boot and operating system storage. Memory size is
128GB, where it is effectively pSLC 40GB.
The Self EncryptingDisk (SED) capability is not supported.
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