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Some motherboards allow more than one processor to be attached. Having two processors allows your computer to more effectively work on more than one task at once. Multiprocessor motherboards are more expensive than regular motherboards, and you also must buy two processors. However, despite the cost, a multiprocessor system can deliver great performance. Figure 3-30 shows a motherboard with two processors installed.

Figure 3-30: A Dual Processor Motherboard (AMD Athelon MP)

You can’t actually see the processors, they are covered by the two fans.