Other Hardware

# 8 Other Hardware

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## 8.1 How do I get my xxxxx device working under dosemu?

Corey Sweeney (`corey@bbs.xnet.com`) reported (5/30/94) that

Here is a log of my adventures trying to get devices working under dosemu. So far I've gotten my voice mail system working and my scanner half working. Here's how:

1. Look in your manual and find if your card uses any ports. If your manual gives you some, put them in your config file at the "ports" line. Remember that sometimes you need to have several ports in a row, and the first one might be the only one documented.

2. Try it out. If it doesn't work, or you don't have a manual (or your manual is as crappy as my AT`&`T manual:) then run dosemu with "`dos -D+i 2> /tmp/io.debug`". Run your device software, then exit dosemu. Look through `/tmp/io.debug` and find any port numbers it might give you. Try adding those to the port lines and try running dosemu again.

3. If you still fail then you may need interrupts. Find out what interrupt the card uses and get the SIG.tgz (silly interrupt generator) from somewhere on tsx-11.mit.edu. Install it as specified in the instructions.

and that's about it...

Question: What if my card uses DMA? Answer: Your screwed.

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