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FMT 3000 Hardware Reference Manual - Connectors and Jumpers
CMOS Battery
CMOS battery connect (JP5) - This jumper is normally installed. Remove for long term
storage of the unit.
CMOS battery discharge (JP6) - Do not install - only for troubleshooting use at the factory.
IN
OUT
IN
16 MHz
33 MHz operation (default)
IN
OUT OUT 20 MHz
40 MHz
OUT IN
IN
25 MHz
50 MHZ
OUT IN
OUT 33.3 MHz
66 MHz operation
JP2
JP3
JP4
CPU CLK
CPU operating speed