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XP 2400+ turns into Duron 1.4G?

M

ManiacMonkey

Senior member
Here's the deal:

I have an XP 2400 @ 2600 (143/143 fsb) that's been running fine for a month or so at around 43C idle and 49-50 during Prime95 testing and Counter-Strike.

Now, all is well so I decide to turn off the computer overnight just to sleep in silence. In the morning, I turn the computer on and I see a Duron 1400MHz being posted...confuzzelled I check the BIOS settings and the FSB was set down to 100/100 so I chnage it back to 143/143 and no POST. Hard reset and the computer POSTs but with a Duron 700MHz this time around. Checked the BIOS and the 143/143 fsb setting remained unchanged! Set it down to 138/138 and it boots fine showing a Duron 1442MHz.

CrystalCPUID tells me I indeed have a Duron Applebred, that once upon a time was a Thoroughbred-B XP 2400! Multiplier is now 10.5x from 15x, and of course the L2 cache is down to 64Kb.

I'm really clueless as to what might have happened when I turned off the computer that night. All i know is that now I have a CPU reportedly a Duron Applebred.

This is all on a version 1.0 K7S5A with honey-X OC bios and I used the wire trick in the socket to mod the vcore to 1.75 (and cut a bridge).

Something screwy is going on. Any thoughts?
 
Man thats kinda weird :Q

Might try clearing the cmos and having another go at it.

Maybe somebody will post who's had this experience, like your BIOS or wire mod got dorked or something.

Good Luck with it.
 
I left my computer on for 2 nights and shut it down last night for another break from the noise (my computer/desk is underneath my bed). Well, I turn it on this morning and I got my XP 2400 back! Now I am royally confused as to what may have happened before. Is this a sign that the CPU is going to burn out soon?
The world will never know... until i smell magic black smoke.
 
that is strange behavior for sure the bios is changeing whenever you do a shutdown. as long as that cpu is running stable i would say it is a bios issue. as mmonkey suggested reset the cmos, you might want to flash the bios with a known stable image.
or you may have gnomes
step 1,collect underpants.
step 2, ???????????
step 3, profit
 
CPU gnomes
Click to expand...

Or little brother? Or roommate? 😉

Not sure how someone could have swapped the CPUs while you were sleeping, but I suppose it's possible if you live with other people. Have you pulled off the heatsink to verify that it is in fact the CPU that you think it is?

Other than that, maybe try the CPU in another motherboard and see what happens.
 
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