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Hale_JP

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Hale_JP

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January 24th, 2021 19:00

Precision 5820@Xeon W-2245 Current/EDP limit throttling.

Xeon W-2245 is a new generation of high performance Xeons, the one with the highest clock rate essential for classic computation and simulation software (not the one with the highest power package).
That was the main reason why I ordered particularly that CPU.

 

However, when starting a computation, the motherboard immediately issues Current/EDP limit throttling.

 

I think, it is not right, and probably the board was tuned for more power-hungry multicore CPU's.
But the result is that the $13,000 priced system performs not better than a $3000 workstation-laptop.

The difficult part is that Dell has locked all the access to VRM/current limits tweaking, and I can not cut off this anchor with XTU or Throttlestop.

The new platform also have no "Intel(R) Dynamic Platform and Thermal Framework" engine driver, for disabling it, and unchaining the CPU.

So, did anyone find a Current/EDP limit solution for Cascade Lake CPUs on Dell motherboards?
Is there any bios tweaking tool for these boards?