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rpattie11
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t7500 not using all cpu cores after motherboard change

I recently had an issue that prevented my T7500 precision desktop from getting passed loading the BIOS.  I replaced the motherboard and the computer seems to be working, however only 12 of the 24 cores are now active.  I had assumed this was because the expansion card wasn't connected, but the computer is reporting all 48 GB of memory. So its seeing the memory on the expansion card just not the 2nd cpu.  Any suggestions would be helpful.

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gnihgnih
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RE: t7500 not using all cpu cores after motherboard change

Probably you have disabled hyperthreading in BIOS. You have 12 physical cores with 2x6 core CPUs and 24 logical.

I guess default settings is disabled on new board.

Check your BIOS in Performance-> Hyper threading technology

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