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A comment on Ryzen CPU HyperThreads break if 100% busy and interrupted to top of Memory. Parent comment

Re:Ryzen CPU HyperThreads break if 100% busy and interrupted... by dom0 on Saturday August 05, 2017 @06:51AM (#14935144)
The PSUs are still essentially ATX, so that's usually not a big problem.

Form factor on the other hand... well. Sometimes they really go off the reservation there.

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Re:Ryzen CPU HyperThreads break if 100% busy and interrupted... by paulmd on Saturday August 05, 2017 @01:36PM (#14936827)
Not necessarily. I have a HP Z400 workstation with what appears to be an ATX PSU... but some of the pins are swapped and it won't actually boot with a non-OEM PSU. You can make an adapter, but in general it's not a safe assumption that this class of systems are compatible with off-the-shelf PSUs. These are OEM systems and the only thing that is guaranteed to work is OEM parts.

https://www.badcaps.net/forum/showthread.php?t=47754

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