4.20 Cooling fin/CPU 4 Replacement Procedures
Installing the CPU
To install the CPU, follow the steps below and refer to figures 38 to 4-42.
1. Make sure the cam is in the open position.
2. Seat the CPU in the CPU socket. Make sure the alignment is exact to avoid damaging
pins on the CPU.
CAUTION: Place the CPU in such direction as shown below. (Pay attention to the
position of the triangle mark on the CPU.)
3. Fix the CPU by turning the cam on the CPU socket 180 degrees to the clockwise
with a flat-blade screwdriver (in the order shown in the figure below).
Cam
Mark
Figure 4-41 Installing the CPU
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