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User's Manual 8
CPU Clock Speed Selection
HOT-557 mainboard features a clock generator to provide adjustable system
clock frequency. JP36 is a 6-pin jumper that determine the system clock
frequency from 50 MHz to 66 MHz.
HOT-557 mainboard also provides Jumpers JP23 and JP24 to figure the
CPU core clock multiplier. By inserting or removing jumper caps on JP23
and JP24, the user can change the
Host Bus Clock
/
CPU Core Clock
ratio from 1 : 1.5 to 1 : 3.
Intel Pentium Processor
CPU Type
System Clock
(JP36)
Clock Multiplier
(JP23, JP24)
200 MHz
66 MHz
3 x
166 MHz
66 MHz
2,5 x
150 MHz
60 MHz
2,5 x
133 MHz
66 MHz
2 x
125 MHz
50 MHz
2,5 x
120 MHz
60 MHz
2 x
100 MHz
66 MHz
1,5 x
90 MHz
60 MHz
1,5 x
75 MHz
50 MHz
1,5 x