ICP Electronics ROCKY - 058HV, Manual

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8
2.2 Setting the CPU of ROCKY-058HV
Bold line is the factory setting jumper.
•
CPU Clock Setting :
CPU Speed/Clock JP1
1-2
JP1
3-4 JP1
5-6
55MHz CLOSE CLOSE OPEN
60MHz
CLOSE OPEN OPEN
66MHz OPEN OPEN OPEN
75MHz OPEN CLOSE CLOSE
•
CPU frequency ratio :
Multiplier JP2
1-2
JP2
3-4
JP2
5-6
1.5 x
OPEN OPEN OPEN
2x CLOSE OPEN OPEN
2.5x
CLOSE CLOSE OPEN
3 x OPEN CLOSE OPEN
3.5 x OPEN OPEN OPEN
4 x
CLOSE OPEN CLOSE
4.5 x CLOSE CLOSE CLOSE
5 x
OPEN CLOSE CLOSE
5.5 x
OPEN OPEN CLOSE
6 x CLOSE OPEN OPEN
CPU Frequency = CPU Clock x Multiplier for example
Pentium® 200MHz = 66MHz CPU Clock x 3
•
CPU Core Voltage Selection :
Please check the CPU Core Voltage before you install the CPU.
Right now new Intel MMX CPU is dual voltage for core and I/O,
the I/O is 3.3V but the core is 2.8V. This kind of CPU design
will enhance the low power consumption capability. As for the
general Pentium® CPU is one voltage for I/O and Core – 3.3V,
3.4V,or 3.5V.