Issue with H100 / L40 / L40s not detected in the system

If the Nvidia H100 / L40 / L40s cards are not detected in your system please check the power connection to the power supply has the correct sense pins to card.

1. Table 7 lists the power level options identifiable by the PCIe 16-pin power connecter per CEM5 PSU, and the corresponding Sense0 and Sense1 logic. The NVIDIA card senses the Sense0 and Sense1 levels and recognizes the power available to the NVIDIA card from the power connector. If the power level identified by Sense0 and Sense1 is equal to or greater than what the NVIDIA card needs from the 16-pin connector, the NVIDIA card operates per normal. If the power level identified by Sense0 and Sense1 is less than the default power cap of the NVIDIA card, the card will not boot. The NVIDIA H100 requires up to 350 W from the 16-pin auxiliary power connector. Table 7 shows the supported auxiliary power connector sense pin logic and maximum supported TGP per power level.
   

(Please see attached files for documentation from Nvidia, pg11-12)

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