Caple C871i Bedienungsanleitung PDF herunterladen (Seite 502)

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Apple II Computer Info

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Newsgroups: comp.sys.apple2.comm

Path:

blue.weeg.uiowa.edu!news.uiowa.edu!uunet!news.mathworks.com!udel!gatech!psuvax1!ne

ws.ecn./jointfilesconvert/483152/bgu.edu!newspump.wustl.edu!news.starnet.net!wupost!waikato!comp.vuw.ac.nz!a

ctrix.gen.nz!dempson

From: [email protected] (David Empson)

Subject: Re: Still having problems...

Message-ID: <[email protected]>

Sender: [email protected] (News Administrator)

Organization: Actrix - New Zealand Internet Service Providers

Date: Thu, 26 Jan 1995 12:11:40 GMT

References: <[email protected]> <[email protected]>

<[email protected]>

X-Nntp-Posting-Host: atlantis.actrix.gen.nz

Lines: 61

In article <[email protected]>,

charles macdonald <[email protected]> wrote:

> The problem was a Time][ card installed in slot#7 (given to me about

> 9 years ago). It was wreaking havoc with the interrupts.

Aha!

Easy solution there: change the switches on the Time ][ so that it

doesn't have any interrupts enabled. (It shouldn't have, unless you

have written some software to use them.)

I see from a later posting that you don't have a manual. Luckily, I

do.

There are eight switches on the card. To disable all interrupts, set

all the switches to the OFF or OPEN position (towards the edge of the

board).

In case you ever want to use the interrupts, the switches operate as follows:

1 1 Hour NMI

2 1 Minute NMI

3 1 Second NMI

4 1024 Hz NMI

5 1 Hour IRQ

6 1 Minute IRQ

7 1 Second IRQ

8 1024 Hz IRQ

NMI and IRQ refer to the Non Maskable Interrupt and Interrupt ReQuest

signals.

Apple II Computer Technical Information : Apple II Family Hardware Info

ftp://ground.ecn.uiowa.edu/2/apple2/miscinfo/hardware : May 2001 : 502 of 572

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