Re: GIGI monitors

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#1484

From: John Dodson
Date: Fri, 22 Jul 1988 06:07

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In article <9850@reed.UUCP>, johnw@reed.UUCP (John B. Windberg) writes:
> 	Does anyone have a monitor that would be compatable with an old GIGI?
> You know, that big dusty box in the closet, the one you could pratically
> give away to a wonderful student interested in using his GIGI to study
> color graphics.

What I have done for our GIGI's is to tap in to the ttl levels for
R,G,B and sync then you can use any IBM compatible ttl monitor.
I'll send you an excerpt from the circuit diagram with the required
connections if you wish.

It is however quite simple, the GIGI outputs are "analog RGB" with sync on
Green, it is all done from ttl levels with the required resistive mixing.

johnd@physiol.su.oz.au

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Message-ID: <287@physiol.su.oz>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!water!watmath!clyde!att!pacbell!lll-tis!helios.ee.lbl.gov!pasteur!ucbvax!decwrl!sun!pitstop!sundc!seismo!uunet!munnari!otc!metro!physiol!johnd
From: johnd@physiol.su.oz (John Dodson)
Newsgroups: comp.sys.dec.micro
Subject: Re: GIGI monitors
Summary: wire in to ttl levels
Message-ID: <287@physiol.su.oz>
Date: 22 Jul 88 06:07:48 GMT
References: <9850@reed.UUCP>
Organization: Physiology Dept., Univ. of Sydney, NSW, Australia
Lines: 15

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