P C L 5 1 0 0 f e a t u r e s a n d u p g r a d e s

Upgrading the processor

The ZIF socket is designed to accept Pentium® processors (see the table earlier in this chapter). You may wish to upgrade your processor by replacing it with one of higher performance.

Read the following instructions carefully before starting work.

Changing the processor

1.Turn off the computer and unplug all power cords.

2.Take suitable anti-static precautions and remove the system covers. Take suitable antistatic precautions at all times while the motherboard is exposed.

3.Remove any expansion cards that impede access to the processor.

4.If the system was in use immediately before starting this procedure, the processor will be hot; wait at least 15 minutes for it to cool down.

WARNING

The processor, its fan-sink, if one is fitted, (combined fan and heat sink), and some of its neighbouring components can get very hot. You may burn your fingers if you attempt to remove the processor before it has cooled down.

6.Unplug the power cable of the processor’s fan-sink from the motherboard. Note where the cable plugs in because you may need to re-attach it later.

7.Unclip the fan-sink’s retention clip from the ZIF socket at the front and the back.

8.Release the lever from the side of the ZIF socket and raise it to the upright position (at right-angles to the motherboard). There may be a little stiffness at the beginning and end of the lever’s movement; be careful not to use excessive force.

9.Lift the processor (with fan-sink) clear of the system unit and place it on an anti-static surface. Hold the processor by its edges and avoid touching any of the metal pins.

10 PCL5100 USER GUIDE