Found this which sounds like it might match your setup

https://developer.download.nvidia.com/compute/cuda/12.4.1/local_installers/cuda-repo-rhel9-12-4-local-12.4.1_550.54.15-1.x86_64.rpm

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Thanks for sharing those links, it means I just need to look harder! I've had better luck using the .run self contained files than the rpm packages (I don't think nvidia actually tests them XD)

You bet, not a problem. If you get them installed all you would need to do is update the makefile to CCAP=60 and set NOSTR_BLOCKS_PER_GRID = 1120 in GPURummage.h