IDE Plus V4 Jumpers

JMP     Description             1-2 [Default]           2-3
JP1     IDE Enable              Enabled                 Disabled
JP2     FDC Enable              Enabled                 Disabled
JP3     Game Port               Enabled                 Disabled
JP4     IDE Port                1F8-1F7 (Primary)       178-177 (Secondary)
JP5     ASYNC2 Port             2F8-2FF (COM2)          2E8-2EF (COM4)
JP6     ASYNC2 Enable           Enabled                 Disabled
JP7     ASYNC1 Port             3F8-3FF (COM1)          3E8-3FF (COM3)
JP8     ASYNC1 Enable           Enabled                 Disabled
JP9     Printer Port            378-3F7 (LPT1)          278-27F (LPT2)
JP10    FDC Port                3F0-3F7 (Primary)       370-388 (Secondary)
JP11    Printer Enable          Enabled                 Disabled
JP12    IDE LED                 N/A                     N/A
JP13    IDE Interrupt           IRQ14 (Primary)         IRQ 15 (Secondary)

Serial (ASYNC) IRQ determined by Jumper Block:
34579 IRQ
+.... ASYNC1
+*...
.*... ASYNC2
34579 IRQ
...|. Printer
...|.
34579 IRQ