*BSD News Article 65258


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From: hoeij@sci.kun.nl (Mark van Hoeij)
Newsgroups: comp.os.linux.development.apps,comp.os.linux.development.system,comp.os.linux.x,comp.os.linux.hardware,comp.os.linux.setup,comp.unix.bsd.386bsd.misc,comp.unix.bsd.bsdi.misc,comp.unix.bsd.netbsd.misc,comp.unix.bsd.freebsd.misc
Subject: Re: Sometimes you need X server source (Was: Why to not buy Matrox Millennium)
Date: 6 Apr 1996 01:32:22 +0200
Organization: University of Nijmegen, The Netherlands
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References: <4j21ph$crr@slappy.cs.utexas.edu> <4jb67e$eil@solaris.cc.vt.edu> <ROELL.96Mar28184328@blah.xinside.com> <m2ag0zobj8.fsf@krehbiel.mnsinc.com> <4jjb6j$ef2@hoopoe.psc.edu> <4jjk9o$lah@solaris.cc.vt.edu> <4jp5vt$3i7@park.uvsc.edu>
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In <4jp5vt$3i7@park.uvsc.edu> Terry Lambert <terry@lambert.org> writes:

- erik@fenris.campus.vt.edu () wrote:

- ] Now, what about the Xinside set up lets you avoid finding the timings for
- ] your FooWare monitor, and for your FOO card, all in a minute? 

- I have to say, with all respect, this is a dumb question.

That's not respect, and it wasn't a dumb question either.

- It is atypical for a card to be driven at anything other than
- the standard sync frequencies if you are talking about standard
- resoloutions.

It's atypical for PC's to run anything other than DOS (or DOS
based OS'ses).

- Windows95 operates at standard rate because it can recognize
- the card, to a gross extent, and you can pick a card beyond
- that.  Above the standards, there is a monitor database that
- tell what the sync rates are and the resoloution at each rate.

OK, so I choose for example 1024x768. Now my monitor says: you
can go over 100 Hz. The graphics card says: 100 Hz? No problem.
Windows95 places it nicely on 75 Hz. Then what do you do? Just
don't sit behind the screen too many hours at a time?

- The complication in an X server results from weenies wanting
- to overdrive their hardware to the limits of "in spec", and
- use barely adequate monitors to do it.  To do this, the
- monitor has to be well known and the card hardware has to be
- known (only because INT 10 isn't available).

So that is precisely why the necessary information has to be
given to X, or win95 or whatever. And if it isn't possible to
specify these values, how are you going to get the max out
of your hardware?

- For people willing to limit themselves to what is printed on
- the monitor box (like they should if they want their hardware
- to live) instead of using all possible overcan, the only problem
- is cards.

Our how to get what's listed on the monitor box, if that happens
to be more than 75 Hz?

Mark van Hoeij