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JP5 IRQ SELECT
This jumper selects the IRQ (Interrupt Request) level used by the LM104-P50 and the interrupt-
driven driver (LM104INT.SYS):
1 IRQ15
2 IRQ12
3 IRQ11
4 IRQ10
5 IRQ5
6 IRQ3
Default: IRQ5
Note that IRQ10, IRQ11, IRQ12 and IRQ15 are only available on 16-bit systems (80286-class or
higher microprocessors).
JP6 TRANSMIT OUTPUT LEVEL
This jumper selects the Transmit Output Level on Option 5/5C (PLT-22) boards ONLY. This
jumper is not present or used on any other option.
Shorted Output Voltage is 7Vp-p
Open Output Voltage is 3.5Vp-p
Default: SHORTED