Technical Reference; Calculating The System Upgrade Speed - Powerleap PL-PROMMX PLUS Manual

Technical Reference

Technical Reference
This chapter presents information for calculating the system upgrade speed. It
also lists all CPU core voltage settings.

Calculating the System Upgrade Speed

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 board's clock multiplier.
System Upgrade Speed = External Clock Speed x
Upgrade Board 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
Speed
50 MHz
60 MHz
66 MHz
60 MHz
66 MHz
60 MHz
66 MHz
66 MHz
66 MHz
66 MHz
66 MHz
Upgrade Board
Clock Multiplier
1.5x
1.5x
1.5x
2x
2x
2.5x
2.5x
3x
2.5x
3x
3.5x
PowerLeap
Internal Clock Speed
75 MHz
90 MHz
100 MHz
120 MHz
133 MHz
150 MHz
166 MHz
200 MHz
166 MHz
200 MHz
233 MHz
Installation Guide
™
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