Powerleap PL-PROMMX Manual page 23

Technical Reference
Cyrix/IBM CPU
6x86 - P120+
6x86 - P133+
6x86 - P150+
6x86 - P166+
6x86 - P200+
6x86L - P120+
6x86L - P133+
6x86L - P150+
6x86L - P166+
6x86L - P200+
6x86MX - PR166
6x86MX - PR200
6x86MX - PR200
6x86MX - PR233
6x86MX - PR233
6x86MX - PR266
MII-300GP
MII-333GP
For systems with an external clock speed slower than 50MHz, there may be
a slight performance sacrifice for your new CPU. For
example, changing to a K6-166 from a Pentium-75 will result
in a system upgrade speed of 150MHz (not 166MHz).
External Clock Upgrade Adapter
Speed Clock Multiplier
50 MHz
55 MHz
60 MHz
66 MHz
75 MHz
50 MHz
55 MHz
60 MHz
66 MHz
75 MHz
60 MHz 2.5x
66 MHz 2.5x
75 MHz
75 MHz 2.5x
66 MHz
83 MHz 2.5x
66 MHz 3.5x
75 MHz 3.5x
Internal Clock Speed
2x 100 MHz
2x 110 MHz
2x 120 MHz
2x 133 MHz
2x 150 MHz
2x 100 MHz
2x 110 MHz
2x 120 MHz
2x 133 MHz
2x 150 MHz
150 MHz
166 MHz
2x 150 MHz
188 MHz
3x 200 MHz
207 MHz
233 MHz
263 MHz
PowerLeap Installation Guide
™
19