trachemys

u/trachemys@iusearchlinux.fyi
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I have no experience with this, but did some googling. The AMD ROCm installer instructions for Ubuntu are here. You need ROCm for HIP. That installs the entire SDK not just the runtime.

The Arch Wiki says you just need the package hip-runtime-amd. But I can’t find that package for Ubuntu.

There are also HIP installation instructions for PopOS. That’s similar to Ubuntu.

echo $(($(rdmsr -c 0xc0011029) & (1<<9) )) 

Should return 512. You might need a ‘sudo’ before the rdmsr (any permission errors in any of this means it didn’t work). Unfortunately, this needs to be done every time you reboot. The next security update for linux will do this automatically.

The only difference between prebuilt and DIY is the lack of OS, memory, and storage. The power brick is also an extra $80 for DIY (pretty good deal for a 180W charger). That makes the base prebuilt be +$200 to give you 16GB ram, 512GB ssd, and windows home. That price is good, but if you instead want 32GB and 1TB, the prebuilt price goes way up and you are better off doing DIY. Standard laptop overcharge for upgrades is in effect.