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72-Pin SIMM Memory Install Guide

The instructions on this page provide general installation and handling information for 72-Pin SIMM memory modules. These instructions are intended to be used in conjunction with your model specific owner's manual.

Note: Before touching electronic components, make sure you are properly grounded. By wearing a wrist strap (or using some other type of static control device), you can prevent static electricity stored on your body or clothing from damaging your installation.

1. The first thing to do is make sure the computer is shut down.
2. Note that it may seem sensible to unplug the computer before installing the RAM, but we don't recommend it. Keeping the machine plugged in will ground it, and this is important because that way any static electricity built up in your body will be discharged before handling the RAM chips. You can do this by touching any metal part of the case. Frying a chip with static electricity is a rare occurrence, but still possible.
3. Remove the computer's cover following the instructions in the model-specific owner's manual.
4. Locate the memory expansion sockets on the computer's motherboard. If all the sockets are full, remove smaller capacity modules to allow room for higher capacity modules.
5. Once you've discharged your static electricity, pick up the memory chip by its top or sides. Don't touch the silver or gold contacts at the bottom, because even a little oil from your finger can eventually interfere with the connection. Regardless of the type of memory you have, it will only go into the empty memory slot one way, so look at the notches in the contacts and line them up so the partitions in the RAM sockets fit in the grooves.  (A small plastic bridge in the socket must align with the curved notch in the module. The bridge ensures the module can only be plugged into the socket one way. )
6. Insert the module into the socket at a slight angle. Make sure the module is completely seated in the socket.  
7. Once you are satisfied the module is seated properly in the socket, rotate the module upward (as show in the illistration) until the clips at each end of the expansion socket click into place.
8. After all modules have been installed, close the computer and reinstall any other cables that may have been disconnected during the installation process.