The rest of the consumed power is drawn from the external PCIe power supply
connector
Important Notes and Warnings
The BlueField-3 DPU requires a standard PCIe ATX power connection. However,
certain servers may require a custom setup to enable ATX power compatibility.
Consult the manufacturer's manuals and specifications to ensure proper
connectivity.
Before connecting the ATX power cable, make sure you are using a PCIe-compliant
8-pin ATX cable from the server power supply kit.
Do not link the CPU power cable to the BlueField-3 DPU PCIe ATX power connector,
as their pin configurations differ. Using the CPU power cable in this manner is
strictly prohibited and can potentially damage the BlueField-3 DPU. Please
refer to External PCIe Power Supply Connector Pins for the external PCIe power
supply pins.
Avoid using non-standard cables that do not comply with the DPU, unnecessary
adapter cables, or storing the cables near heat sources.
It is preferable that the x16 PCIe golden fingers and the PCI ATX power supply draw
from the same power source. For more information on how to power up the card,
refer to DPU Power-Up Instructions.
The PCIe ATX 8-pin connector is not compatible with an EPS12V power cable source.
Ensure that the appropriate PCIe auxiliary power source is available, not an EPS12V
power source.
If you are uncertain about your server's compatibility with the PCI ATX connection,
please contact your NVIDIA representative for assistance.
Mechanical Keys of the 8-pin ATX Power Cable (PCIe CEM Specification Rev 5.0)
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