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Upgrade Guide

Upgrade your system's original Pentium or Pentium II processor, step by step.

  

2. Install the New CPU

Remove it from its protective packaging and carefully insert it into the socket (photo). Don't force it; it should drop right in. Make absolutely sure that you have pin 1 of the CPU aligned with pinhole 1 (inset) of the socket. If it's not clearly marked on the new CPU, double-check the installation manual that accompanied the new chip. If you didn't mark pin 1 on the motherboard in step 1, check your system or motherboard manual. (If you don't plug in the CPU correctly, it's likely to be destroyed as soon as you turn on the power.)

Hold down the CPU firmly with your finger or thumb and carefully push down the ZIF lever to lock the CPU into the socket.

Connect the CPU fan to a free power connector from your PC's power supply. (Some CPU upgrades don't require separate power for the fan.)

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