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Opto IN24 OPTO DIO Reference

The i/o addresses that are likely to be good in Figure 6-3.

addresses to avoid is given in Figure 6-4. Only if the particular

adapter card is present need the relevant address be avoided.

Figure 6-1. PC Opto IN24 Card Layout.___________________________________

WATCH DOG EXPOWER

Reslo BUS

Reshi Not

BUS gated to IRQ Connected 50

or RESET via software WAY

IO Addr B

030Chex L

12345678 E

IRQ7

Figure 6-2. Opto IN24 Factory Set DIP Switches.__________________________________________

DIP 1-7 I/O Address select

off 12345678 DIP switch 8 is DON’T CARE

PC Opto IN24 Factory Set Default Address= 030C Hex, 776 Decimal

Figure 6-3. Likely I/O Address.___________________________

I/O ADDRESS NORMAL USE.___________ ___________

0204H- 0277H Unused.

0280H- 02BFH Unused.

02C8H- 02DFH Unused.

02E4H- 02F7H Unused.

0300H- 031FH Unused.

0330H- 035FH Unused.

0380H- 03AFH Unused Usually.

03E0H- 03EFH Unused.

Chapter 6 Page 65

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Brainboxes IE-780 Technical Information Seite 77