CPU SPEED        CLOCK SPEED   RATIO  JP4  JP5   JP10   JP11   JP12

    iP75             50 MHZ       1.5    ON   ON    1-2    1-2    1-2
 AMD 5K86-P75

 CYRIX P120+         50 MHZ        2     ON   ON    1-2    1-2    2-3

 CYRIX P133+         55 MHZ        2    OFF  OFF    2-3    1-2    2-3

    iP90             60 MHZ       1.5    ON  OFF    2-3    1-2    1-2
 AMD 5K86-P90

    iP100            66 MHZ       1.5   OFF   ON    2-3    1-2    1-2
 AMD 5K86-P100

    iP120
 AMD 5K86-P120       60 MHZ        2     ON  OFF    2-3    1-2    2-3
 CYRIX P150+

    iP133
 AMD 5K86-P133       66 MHZ        2    OFF   ON    2-3    1-2    2-3
 CYRIX P160+

    iP150            60 MHZ       2.5    ON  OFF    2-3    2-3    2-3

    iP166            66 MHZ       2.5   OFF   ON    2-3    2-3    2-3

    iP180            60 MHZ        3     ON  OFF    2-3    2-3    1-2

    iP200            66 MHZ        3    OFF   ON    2-3    2-3    1-2