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CPU Core Power beyond limit

By ZedB1228 ·
that is the error i get on a POST on a clients machine. i am unable to set the BIOS high enough 2.3 - 3.92 on the settings allowed while the BIOS shows the CPU power currently at 3.48 - 3.50 Will this cook the CPU? I can set the error to not show and the system does boot and perform seeminly ok. any light appreciated. cheers ZedB

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CPU Core Power beyond limit

by TheChas In reply to CPU Core Power beyond lim ...

If you have a voltmeter, and can get at the voltage regulator output pin on the motherboard, you can verify if the problem is the BIOS setting, or the measurement circuit.

A high CPU core can cause the CPU to fry.

Of course, the problem could be an out of date BIOS that does not have the correct ID for the CPU you are trying to use.

Another check would be to monitor the CPU temp over a period of time.
With the PC setting idle, the CPU temp should be well below the middle of the manufactures specified range.

It wouldn't hurt to double check the exact model of the CPU, and verify the mfgs recommended core voltage.

Chas

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CPU Core Power beyond limit

by TheChas In reply to CPU Core Power beyond lim ...

What CPU is in the system?
From the voltage, it sounds like a socket 7.

My data sheets for Athlon and P3 all call for CPU core voltages of less than 2 volts.

The socket 7 CPUs were a bit stouter than the new CPUs, and can take a higher core voltage if that is what is needed for system stability.

Chas

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