Introduction to Data Communications
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CPU Identification

On the CPU will be a part number such as 80386SX-20

80386 indicates a 386 processor
SX indicates subcategory of the processor
20 indicates the processors speed in MHz

CPU Packages

40 Pin DIP Dual Inline Package 8088 and 8086

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SMD Surface Mount Device 80286, 80386SX

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PLCC Plastic Leaded Chip Carrier 80286, 80386SX

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PGA Pin Grid Array 80386DX 80486 Pentiums

Introduction to Data Communications
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