In your BIOS settings there should be something called Logical CPU or something similar.
Just turn it off.



From: [EMAIL PROTECTED] (Mersenne Digest)
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Mersenne Digest V1 #1091
Date: Fri, 14 Nov 2003 13:19:15 -0800

Mersenne Digest Friday, November 14 2003 Volume 01 : Number 1091




----------------------------------------------------------------------


Date: Tue, 11 Nov 2003 08:14:55 +0100
From: Matthias Waldhauer <[EMAIL PROTECTED]>
Subject: Re: Mersenne: 50% CPU?

Quantum Mechanic wrote:
 > I have an Intel 4 box from MDG, 1 CPU, 2.4GHz, 512MB
 > RAM, L1 8KB, L2 512KB.
 >
 > Prime95 is only getting 50%, with System Idle Process
 > taking 50%.
 >
 > It's currently running an LL test in the 20M range.
 >
 > Any ideas why it's only 50%?

I think, there are 2 processes running as idle task (one of them is
Prime95). And I assume that both have the same priority setting, so the
OS "thinks", they are equally important (same priority) and gives
exactly half of the available time to each of them because
Hyperthreading suggests, that there are enough real CPUs to do so
(although there aren't).

Try increasing Prime95's priority setting.

Regards,
Matthias

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------------------------------

Date: Fri, 14 Nov 2003 13:16:53 -0800
From: "Robert Braunwart" <[EMAIL PROTECTED]>
Subject: Mersenne: Re: Mersenne Digest V1 #1088

Hi,

One of my computers just had a hard-disk failure and a new one installed. I
had the Prime95 directory backed up, but when I copied it over and ran
Prime95 I got the message that one of the numbers was not assigned to this
computer. Can I get it back? It was nearly done. The number was
Test=20630641,66,0. This is my first number over 20 million and I would
like to finish it.


- --Bob Braunwart

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------------------------------

End of Mersenne Digest V1 #1091
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