Service manual

85
Operation
Hardware Configuration
Disconnect all power supply both AC adapter and battery pack before work on any
hardware setting.
CPU Speed
The system is upgradeable with a wide range of speed and voltages of the Intel Pentium
processors, providing user with a Zero-Insertion-Force (ZIF) socket to facilitate removal
of the processor and installation of an upgraded one.
Intel P54C/LM
75 MHz 90 MHz 100 MHz 120 MHz 133 MHz 150 MHz 166 MHz 200 MHz
Intel P55C
233 MHz 150 MHz 166 MHz 200 MHz
S2-1 Off On Off On Off On Off Off
S2-2 On Off Off Off Off Off Off Off
S2-3 Off
S2-4 Off
S2-5 Off Off Off On On On On Off
S2-6 Off Off Off Off Off On On On
Cyrix 6x86LV P150+ P166+
S2-1 On Off
S2-2 Off
S2-3 On
S2-4 Off
S2-5 On
S2-6 Off
AMD K5 PR133 PR150 PR166
S2-1 Off On Off
S2-2 Off Off Off
S2-3 Off
S2-4 Off
S2-5 On On On
S2-6 Off On On
CPU Power
Locate the DIP Switch on the CPU Power Module to set the power voltage of the CPU
you just installed. Refer to the user guide of the CPU to make sure which power voltage
you should set.
1 2 3 4 CPU Power
On Off Off Off
2.2V
Off On Off Off
2.45V
Off Off On Off
2.8V
Off Off Off On
3.45V