Date: Wed, 30 Mar 2005 20:59:52 +0200 From: Dejan Lesjak <dejan.lesjak@ijs.si> To: Andrew Marks <amracks@gmail.com> Cc: freebsd-x11@freebsd.org Subject: Re: Dell 700m 1280x800 Message-ID: <200503302059.53273.dejan.lesjak@ijs.si> In-Reply-To: <4415e9c105033010321dabd82b@mail.gmail.com> References: <4415e9c10503241609497ace49@mail.gmail.com> <200503301709.34472.dejan.lesjak@ijs.si> <4415e9c105033010321dabd82b@mail.gmail.com>
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On Wednesday 30 of March 2005 20:32, Andrew Marks wrote: > Just got a blank screen with that one. I installed i855vidctl, but > the video modes in the output are not correct. I browsed throught the > source, and thougt if I could find out how the video modes are stored > in the vbios, I could alter i855vidctl to work with my vbios, which it > doesn't seem to do right now. I found some intel docs on the > 855GM/GME, (I have the GME) but I didn't find anything about the > layout of the vbios memory. The reason I bring this up is because my > vbios does not have the 1280x800 mode in it, and I am not expert, but > I assume that that has to be in there before Xorg can take advantage > of that mode. Correct me if I am wrong, but would the frist step be > to add the 1280x800 mode to my video bios somehow? and if so, where > can I get the documentation for interfacing with my video bios. If > not, and Xorg can use resolutions that are not in the video bios, what > do I have to do go get those to work? Unfortunately, yes: X can only do modes that video bios support. There are a couple of pages that talk about this problem with Intel graphics chips. I don't have Intel graphics so I haven't tried them. First thing you might try is to see if Dell has issued a bios upgrade - it appears that at least for some laptops BIOS upgrade included modes for video BIOS. And here are some links in no particular order: http://www.chzsoft.com.ar/855patch.html http://perso.wanadoo.fr/apoirier/ http://www.flmnh.ufl.edu/linux/fc1_intel_video_fix.htm Dejan
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