I was after an anwser, I found it, I will share it with those who may be interested.
Thanks anyway
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This is a grey area I dont want to buy 2 (celeron)CPUs just to try
I would have no use for them if they did not work, So I will spend twice the amount $ on P3 CPU's
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Intel® Celeron® Processor
Dual Processor Support
While some motherboard manufacturers purportedly have designed motherboards for dual processing, the Intel® Celeron® processor, per our design specifications, is verified for uniprocessing only. Contact the motherboard manufacturer directly for support of these installations.
Users interested in dual processing or multiprocessing should use the Pentium® III processor or the Intel® Xeon™ processor.