Technical Reference - Powerleap PL-PROMMX Manual

Technical Reference

Technical Reference
You can achieve the best CPU performance by adjusting the system board's
external clock speed according to the tables below. Or use the formula below to
calculate the CPU upgrade adapter's clock multiplier.
System Upgrade Speed = External Clock Speed x Upgrade
Adapter Clock Multiplier
Intel CPU
Pentium - 75
Pentium - 90
Pentium - 100
Pentium - 120
Pentium - 133
Pentium - 150
Pentium -166
Pentium - 200
P55C MMX - 166
P55C MMX - 200
P55C MMX - 233
External Clock Upgrade Adapter
Speed Clock Multiplier
50 MHz 1.5x
60 MHz 1.5x
66 MHz 1.5x
60 MHz
66 MHz
60 MHz 2.5x
66 MHz 2.5x
66 MHz
66 MHz 2.5x
66 MHz
66 MHz 3.5x
Internal Clock Speed
75 MHz
90 MHz
100 MHz
2x 120 MHz
2x 133 MHz
150 MHz
166 MHz
3x 200 MHz
166 MHz
3x 200 MHz
233 MHz
PowerLeap Installation Guide
™
17