Processor and Chipset Tables: How to Configure a CPU Correctly

Slot A - Card Module - Athlon


CPU Tags
A stands for the new 0.18 micron manufacturing process on Athlon processors
C stands for the new 0.25 micron manufacturing process on Athlon processors
MMX Instruction set extension for Athlons which can be used for multimedia applications, but rarely applied.
3DNow! Instruction set extension for Athlons which can be used for 3D applications, often applied.
Package
CM Card Module, looks very similar to the Intel's SECC2 package
Connectors
Slot A (SC242) Connector for Athlon processors with 242 pins
Note Slot A and Slot 1 (Intel) are mechanically identical (SC242). However, signals and protocols are different.
Architecture/Cache
Athlons 500 to 700 MHz Cache runs at 1/2 CPU speed
Athlons 750 to 850 MHz Cache runs at 2/5 CPU speed
Athlons 900 to 1000 MHz (or 1.0 GHz) Cache runs at 1/3 CPU speed
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