Jumper settings for Goodwell Industries GW451C

This card has a dual-definition for the numpers JP1, JP2, JP3, JP4, JP8 and JP9 based on the settings of JP11 and JP12.

For both JP11 and JP12 with pins 1,2 shorted:

Jumper Description Setting(s)
JP1 1st COM port number 1,2 shorted: COM1
    2,3 shorted: COM3
JP2 1st COM port enable 1,2 shorted: enabled
    2,3 shorted: disabled
JP3 2nd COM port number 1,2 shorted: COM2
    2,3 shorted: COM4
JP4 2nd COM port enable 1,2 shorted: enabled
    2,3 shorted: disabled
JP8 1st COM port IRQ 1,2 shorted: IRQ4
    2,3 shorted: IRQ3
JP9 2nd COM port IRQ 1,2 shorted: IRQ3
    2,3 shorted: IRQ4

For both JP11 and JP12 with pins 2,3 shorted:

Jumper Description Setting(s)
JP1 2nd COM port number 1,2 shorted: COM1
    2,3 shorted: COM3
JP2 2nd COM port enable 1,2 shorted: enabled
    2,3 shorted: disabled
JP3 1st COM port number 1,2 shorted: COM2
    2,3 shorted: COM4
JP4 1st COM port enable 1,2 shorted: enabled
    2,3 shorted: disabled
JP8 2nd COM port IRQ 1,2 shorted: IRQ4
    2,3 shorted: IRQ3
JP9 1st COM port IRQ 1,2 shorted: IRQ3
    2,3 shorted: IRQ4

The following jumpers are defined independently of JP11 and JP12:

Jumper Description Setting(s)
JP5 LPT selection 1,2 shorted: LPT1
    2,3 shorted: LPT2
JP6 LPT enable 1,2 shorted: LPT enabled
    2,3 shorted: LPT disabled
JP7 Game port enable 1,2 shorted: GP enabled
    2,3 shorted: GP disabled
JP10 LPT IRQ 1,2 shorted: IRQ7
    2,3 shorted: IRQ5
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