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Installing and Connecting the Card
2-4
5100-A2-GB20-00
November 1996
Setting IRQ Switches to Off
IRQ (hardware interrupt request) DIP switch banks SW2 and SW3 select an IRQ.
IRQs are not used by the CO cards. Set these switches to Off for proper
operation of the card.
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2
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4
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8
496-15017
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2
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8
1
2
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678
ON
12345
ON
1234
SW2
SW3
Installing the CO Cards in the PC
Procedure
1. Access the card slots of the PC.
2. Insert a CO card into a vacant 16-bit ISA expansion slot.
3. Observe the SYS LED after the card is inserted. It should blink while a
self-test is in progress and then remain on. If it does not, the card is defective
and should be replaced. (See
LED Status
in Chapter 6 for a description of the
card’s LEDs.)