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AD1200 Reference
controlled D to A converter timed out, pacer controlled digital
i/o timed out etc. The appropriate signal must be enabled in
software and the irq signal generated must be physically
connected to one of the processor Interrupt ReQuest lines by
placing the jumper on the IRQ block in the correct place.
The PC AD1200 has 1 IRQ jumper block labelled
IRQJMP. The position of the jumper MUST match the IRQ
level set in the software.
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Setting The Interrupt Jumper Block.
The PC AD1200 has 1 IRQ jumper block, IRQJMP
The movable jumper on the jumper block is used to
specify which hardware interrupt, into the computer, is to be
generated by the PC AD1200 card. The position of the jumper
MUST match the IRQ level set in the your software. Remember
to enable the IRQ DIP switch.
Most users will not require IRQs and so should leave the
IRQ jumper in the factory set position, IRQ 7.
NOTE:
Do not add an extra jumper of your own across the
________ _
jumper block it will only cause great confusion.
Page 34
Installation Guide
Chapter 2
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