*BSD News Article 29401


Return to BSD News archive

Xref: sserve comp.windows.x.i386unix:8509 comp.os.linux.misc:12799 comp.os.386bsd.apps:1134
Newsgroups: comp.windows.x.i386unix,comp.os.linux.misc,comp.os.386bsd.apps
Path: sserve!newshost.anu.edu.au!munnari.oz.au!foxhound.dsto.gov.au!fang.dsto.gov.au!yoyo.aarnet.edu.au!news.adelaide.edu.au!news.cs.su.oz.au!harbinger.cc.monash.edu.au!yeshua.marcam.com!MathWorks.Com!europa.eng.gtefsd.com!howland.reston.ans.net!pipex!warwick!news.dcs.warwick.ac.uk!mashton
From: mashton@dcs.warwick.ac.uk (Beeblebrox)
Subject: Re: Can't get 640x480 resolution with Linux at work.
Message-ID: <1994Apr12.112306.20855@dcs.warwick.ac.uk>
Sender: news@dcs.warwick.ac.uk (Network News)
Nntp-Posting-Host: stone
Organization: Department of Computer Science, Warwick University, England
References: <1994Apr11.155753.27343@news.csuohio.edu>
Date: Tue, 12 Apr 1994 11:23:06 GMT
Lines: 48

thx1139@knuth.cba.csuohio.edu (tim werner) writes:

>Hi,

>Can someone please help me with this disappointment?  I will have a
>ATI GUP w/ 4meg at home, but no one should have to put up with less
>than 640x480, right?

Agreed :)

>One of the guys where I work has just put Linux on a Spiral 486/50
>machine.  This machine has 256k of video memory.
			    ^^^^

Well, there's your problem. Fix it!

>He spent a couple of days going around with the configuration, and
>decided that 560x420 was the best resolution he could get.

>He says that X uses 1k of the video memory for scratch, so 640x480 is
>not possible.

What's the 1k got to do with it ? If you want 256 colours under X then you
need:

1byte (256 colours) * 640 * 480 = 307200 bytes
				= 300 K
which you simply haven't got.
Try running X in 16 colours and you should have any problems with 256k, 1k
scratch pad or not.

>I find this hard to accept.  How can a machine that can run Windows

In 256 colours ? - I find this hard to accept.

>>He runs "X -probeonly" to create the following /tmp/out, which shows a
>clgd6235 chipset, whatever that is:

Cirrus Logic Graphics Device 6235 (actually I'm guessing a G & D - but you
get the idea)


>  VGA256: server for 8-bit colour SVGA (Patchlevel 0):
   ^^^^^^
See.
___
mashton@dcs.warwick.ac.uk                 M.S.Ashton@csv.warwick.ac.uk
C++ consultant and emacs support. Mail me if you have any problems.