3-12 User’s Manual
6. After installing the new CPU, set the following switches:
• CPU speed switch SW2 (found to the left of the CPU socket)
• CPU voltage switch SWY1 (found to the lower right of the CPU
socket)
A J4 jumper may appear in place of SWY1. You need to short
this jumper when installing a Pentium 120MHz CPU.
Refer to Figure 3-5 and Figure 3-6.
Figure 3-5 CPU Speed Settings
Figure 3-6 CPU Voltage Settings
7. Replace and screw back the heat sink.
8. Replace the keyboard, if necessary.
Intel Pentium 75MHz
Intel Pentium 100MHz
Intel Pentium 120MHz
2.9 volts
3.1 volts
3.3 volts