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Problem with a Pentium D 940 processor.

S

Solcutter

n00b
Joined
Nov 30, 2006
Messages
5
I have a pentium d 940 processor, and an Asus p5n32 SLI deluxe motherboard. Windows XP Pro.

In the task manager in windows XP it only shows 1 graph. Under view-cpu history, the only option available is one graph per CPU, and its greyed out.
Does anyone know whats going on? any help appreciated.
(i tried calling asus support, but the technician put me on hold then hung up, something im calling back to complain about right now ><)
 
Isn't there an option to Disable one of the cores in BIOS...? :confused:
Other then that, is this a fresh install of XP? Got SP2?
 
i cant find the option in the bios, as far as i know, for this motherboard bios version, disabling it is not available (it was in a previous bios version, but not there after the bios upgrade)
ive reinstalled xp 3 times, and it still will not show 2 graphs on the task manager (intel confirmed this means that windows is not using the second core)
 
I hope not, but your CPU may be defective... Other then that there is definitely something messed up with the mobo (BIOS, other setting)...
I'd suggest downloading a bootable Linux CD (Ubuntu or KNOPIX) and see if they recognize two cores... If they do, it's a software issue (Windows XP) and if not it's hardware issue (mobo or CPU)...
Give it a try.
 
It must be the mobo then, cause you said the CPU showed 2 before the upgrade, and then after it doesn't show.
 
It must be the mobo then, cause you said the CPU showed 2 before the upgrade, and then after it doesn't show. If you are still in the warrenty period, call them up and ask for a replacement.
 
no. it never showed 2 cpu graphs. I upgraded from a p4 to a pentium D. after the upgrade, i reinstalled the OS, thinking that would bring about the 2 graphs. it didnt.
 
Solcutter said:
no. it never showed 2 cpu graphs. I upgraded from a p4 to a pentium D. after the upgrade, i reinstalled the OS, thinking that would bring about the 2 graphs. it didnt.
Click to expand...

Did it show two graphs with P4?
 
ok. i was given bad information by a coworker.
Intel chips arent supposed to have 2 cpu charts in the device manager. something to do with the way the Pentium D's are made. according to MS, its WAI. :p
 
Solcutter said:
ok. i was given bad information by a coworker.
Intel chips arent supposed to have 2 cpu charts in the device manager. something to do with the way the Pentium D's are made. according to MS, its WAI. :p
Click to expand...

P4 with Hyperthreading, Pentium D's, and Conroes, should all show two CPU's under Device Manager. They also should show two graphs under Performance tab of Task Manager...
 
With the Asus P5ND2 and Pentium D 805 I had.. in order to get both cores working on a you had to enable Hyperthreading. For some reason it controlled the ability to have one or both cores working..
 
Try dropping back to the previous bios. I had a simular problem with my 940 on an asus motherboard. The new bios didn't let me have both cores unless I enabled Hyperthreading, but doing that CPU-Z only saw 1 core 2 threads, so I dropped back a bios and it fixed it. Asus has since fix the problem. I have found that if you go to the Asus global site they sometimes have newer bios'es than the US site. Sometime it takes a while for the newer bios'es to be diseminated out from the global site to the other sites.
 
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