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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!newshost.telstra.net!act.news.telstra.net!vic.news.telstra.net!news.mira.net.au!yarrina.connect.com.au!news.mel.connect.com.au!munnari.OZ.AU!spool.mu.edu!agate!howland.reston.ans.net!EU.net!sun4nl!sci.kun.nl!not-for-mail 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: 1 Apr 1996 13:36:04 +0200 Organization: University of Nijmegen, The Netherlands Lines: 27 Message-ID: <4jof34$64l@canteclaer.sci.kun.nl> References: <4j21ph$crr@slappy.cs.utexas.edu> <m2ag0zobj8.fsf@krehbiel.mnsinc.com> <4jjb6j$ef2@hoopoe.psc.edu> <4jjk9o$lah@solaris.cc.vt.edu> <4jjsgr$f3r@hoopoe.psc.edu> NNTP-Posting-Host: canteclaer.sci.kun.nl X-Newsreader: NN version 6.5.0 #7 (NOV) Xref: euryale.cc.adfa.oz.au comp.os.linux.development.apps:13921 comp.os.linux.development.system:20368 comp.os.linux.x:28146 comp.os.linux.hardware:34978 comp.os.linux.setup:48231 comp.unix.bsd.386bsd.misc:381 comp.unix.bsd.bsdi.misc:2898 comp.unix.bsd.netbsd.misc:2670 comp.unix.bsd.freebsd.misc:16369 In <4jjsgr$f3r@hoopoe.psc.edu> peterb@hoopoe.psc.edu (Peter Berger) writes: >The only timing I've ever had to examine for any monitor with Xinside is >the maximum vertical bandwidth (sic), as expressed in Hz. Then, just >choose "Multisync XXhz", where XX is as close as possible to the maximum >vertical hz of your monitor (which should be clearly stated on the spec >sheet). Vertical sync rate? That doesn't make any sense at all. In most of the cases the bottleneck for the maximal resolution/refresh-rate is the maximal *horizontal* sync rate of your monitor, expressed in KHz. Suppose for example that the maximal horizontal sync rate of your monitor is 80 KHz. Then you can get 1024x768 by 80.000/(768+30) = 100 Hz (the +30 is a little overhead) or 1152x850 by 80.000/(850+30) = 90 Hz or 1280x1024 by 80.000/(1024+30) = 76 Hz. In all of these three examples, your monitor is pushed to its limit concerning the horizontal sync rate (which is the right thing to do, I mean you pay a lot for a good monitor and so you want to benefit from it maximally), but it is probably still far below its maximal vertical sync rate (in other words: the maximal vertical sync rate is not what determines what the monitor can do). Mark van Hoeij