Slots
Some Pentium 2 and 3 processors use slots rather than sockets. To remove a processor from a slot, release the catches at either side of the processor, and then lift the processor straight out of the socket.
LGA Sockets
Later Intel processors use a socket form factor (Land Grid Array(LGA)) where the pins are located in the socket rather than on the chip out, taking care to handle it by its edges only.
If retaining the CPU, put it in its protective packaging so that the pins or contacts do not get damaged or dirty. Store the CPU in anti-static packaging.
Installing or Upgrading a CPU
If you are upgrading the CPU, check that the new model is supported by the motherboard. Use the motherboard manufacturer's website to get up-to-date information (for example, to find out about CPU models that were released after motherboard's documentation was written).
Just because a motherboard has the correct socket type does not mean that a CPU model will be compatible. The motherboard must have a compatible chipset and voltage regulators too.
In some cases you may need to update (flash) the motherboard BIOS (obviously do this before removing the old CPU).
See Unit2.5 for instructions on completing a BLOS update.
1. Locate Pin 1
Pin 1 on the processor MUST match pin 1 on the processor socket. Both the processor and the socket carry distinguishing markings to indicate pin 1.
On a processor this may be:
-A bevelled corner or a while dot printed n one corner of the processor
-A square, rather than round, joint where one of the pins is connected to the underside of the processor
-A "spur" on one corner of the gold patch on the underside of the processor