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Disabling a processor in a multiprocessor machine

hey everyone,

due to licencing constraints, i need to disable one of the processors in a Dell poweredge 2650 multiprocessor server - it's in a rack in a datacenter and this disabling is only temporary, and I'm loath to have to make the trip to remove and replace one of the cpu's for this - does anyone know of a way within Windows 2000 server to disable one of these, or of a 3rd party application that will do this for me?

thanks in advance!
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tonybushell
Asked:
tonybushell
1 Solution
 
buckeyes33Commented:
Have you checked the bios of the server?   Some bios have an option to enable or disable multiple processors.  

In windows you can, by  ctrl-alt-del,  make it so that the CPU does not do any processes.  I don't know if this is what you want or not.
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tonybushellAuthor Commented:
thanks, Buckeyes, but this isn't it - our BIOS has nothing in there (except about Logical Processors, as it's HT-capable) but we actually need to disable the processor, not just make sure nothing is running on it - one of our licensing agreements says that we need to run it on a single-proc machine, and it's currently on dual - and there's no money right now to repalce this (sweet!) server, and like i say, rather than me driving 40 minutes each way to the datacenter each time i need this done - but thanks anyway!
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buckeyes33Commented:
have you checked if there is a jumper on the motherboard?  

what motherboard do you have?
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tonybushellAuthor Commented:
hey Buckeyes, again, thanks for the help but as i said, this needs to be something i can do without having to physically open up the machine - so,jumpers are also out of the question - needs to be software/BIOS related (we have oniste support that will change a BIOS setting, but not open a machine up)
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CallandorCommented:
Intel's line seems to be that the processor may be enabled/disabled in the BIOS, but that's it, unless you open up the box to get at the motherboard: http://support.intel.com/support/processors/sb/CS-007880.htm
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rogerperkinsCommented:
The only way I know how to only use one processor in Windows is to set the affinity in the task manager for each process.
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Biggles77Commented:
Why not go into Device Manager
Computer
Multiprocessor PC
Update Driver
Install from a list or specific location (Advanced)
Don't search.  I will choose a driver to install and select the Uniprocessor (MPS or ACPI)

It is then real simple to change it back when your licensing problems are rectified.
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