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How to Install an AMD Athlon or Duron Socket A Processor
Last updated: 3/26/01

Install the Heatsink-fan.  Note the step on the bottom of the heat-sink fan.  It is there so it can step over the raised back (left in above shot of the socket) of the socket).  The heat-sink to the right would be flipped from right to left to match the socket.  Once flipped, the right side with the smaller clip is attached first to the left side of the soctet.  And, as you see, the Abit K7T-RAID motherboard used for this example has a bunch of capacitors that are quite close to the left side of the socket.  This makes things a little more difficult to do (and photograph)--another poor design.  The object here is to get the three lugs on the socket into the three holes on the retaining spring without exerting any measurable force on the CPU and to keep the heat sink as close to parallel along the sides of the socket where the heatsink does not attach to the socket as can be managed.  If you are not careful, the processor can be broken.  Repeat, do not apply force directly on the CPU.  Push and orient the spring through the heatsink and patiently work into place.  If you use a tool such as screwdriver to assist be careful not to apply too much force and not to let it slip off the spring and damage the motherboard.  Take your time.  It will eventually go where it should without damaging the CPU or motherboard, if you are patient.  Try not to twist or wiggle the heatsink while doing this.  You do not want to disturb the compound on the die at this point.

Once the left side of the spring is attached, carefully lower the heatsink onto the CPU, making sure it does not ride up on the step to the right of the socket.  Again, do not apply direct force on the CPU.  Let the spring do that.  One thing I really like about this type of heatsink-fan is the other side of the spring has a large enough surface that is can be hooked to the socket  without resorting to tools.  Hold the part of the spring previously attached to the socket, to keep it in place, and the heatsink-fan with one hand and attach the spring to the three ears (out-down-in) without putting excessive pressure on the CPU.  Try not to wiggle the heat sink, which, ideally, will come into contact with the die once as the spring is attached.  Patience is again the key in doing this successfully.  Note in the picture that I am applying most of the pressure on the end of the spring and not on the top of the fan.

Inspect the Heatsink.  Look along the sides and make sure it is positioned properly and not riding up on the step.

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