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Old 2003-08-09, 12:24   #1
kwstone's Avatar
Jun 2003
Shanghai, China

11011012 Posts
Default Prime95 takes over machine???!!!

I've persuaded several of my family to install Prime 95 on their PCs and no one has ever had any problems up till recently. However, when my eldest son installed it on his 2.4 GHz P4, he reports that Prime95 took over all the cycles on his CPU and he was left unable to do anything at all, not even open a browser window. All he could do was move the cursor. He switched Prime95 off and all returned to normal.

Anyone seen behaviour like this before? Any ideas what could be causing it? According to him, he accepted all the default settings during installation.
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Old 2003-08-09, 14:18   #2
Jan 2003
far from M40

11111012 Posts

Hi, kwstone!

I don't think it will help much. But it might be worth a try. Check the prime.ini file for an entry "priority=". Change the number following to 1 or enter it, if it's not listed. As I said, I don't think it will help much, especially as your son excepted the default settings and this is the default setting. But it won't make things worse, either.

Good luck,

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Old 2003-08-09, 18:08   #3
dsouza123's Avatar
Sep 2002

10100101102 Posts

Pehaps it is doing a second stage P - 1 test with a large amount of memory selected, enough that all or most of the RAM is used, making the OS and other programs always use the swap file and so run very slowly.

Reduce the amount of available memory in Options / CPU
- OR -
do trial factoring ( uses very little memory and I have never had a problem with it slowing down the PC ).
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Old 2003-08-10, 19:48   #4

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You would have to have very little memory, in order for it to affect it.
This has happened to me last year, and I never found out why so I uninstalled it and reinstalled... wha-la :(
I suggest a full torture test upon reinstall, to rule out hardware.
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Old 2003-08-10, 22:46   #5
crash893's Avatar
Sep 2002

23·37 Posts

yea i could see that doing p-1 or p-2 factoring

if you set the memory to full it basicly reams the comptuer

i would go in and set them both back down to 8 and see if that helps
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