Black Box IC110C, IC174C manual Header E1 and E2 IRQ 4 selected

CHAPTER 4: Option Selection

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Figure 4-1. Header E1 and E2 (IRQ 4 selected).

Headers E3 and E4 select the (normal) single-interrupt-per-board mode or the multi-interrupt mode, which allows you to share both interrupts on this card. The multi-interrupt mode also allows you to share the IRQ signal(s) with other cards that support multiple interrupts.

E3 E4

M N

Figure 4-2. Headers E3 and E4 in Normal Mode.

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