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Greetings! I tried installing CentOS v7 (1406) to an old spare machine, and the video card apparently don't play well with X. It is incorrectly saying that either monitor I connect is only able to support 640x480, when one is 1024x768 and the other supports a higher (but now forgotten) resolution. In no way do I expect a fix to be added just to support my antique. :)
What I'd like to find, or have added to future CentOS installation discs, is a way to force the GUI resolution. Alternately, if nothing below 800x600 will show the GUI properly perhaps the installer should just forcibly set that as the minimum, no matter what the hardware claims to allow?
Details of the hardware and such follow, let me know if you need more. =-=-=-=-=-=
Under the normal boot from the normal DVD, graphics-mode output is discolored and squashed to the left of the display. In the "Basic Graphics" troubleshooting mode the output is clear and proper, but still just 640x480.
Server: Gateway E-9422R Video card: Matrox Graphics MGA G200e, PCI 102b:0522
I captured the output of lspci, dmidecode, /tmp, and /var/log in both Normal and Basic Graphics boot modes. The file is 1,692,776 bytes and has the following SHA1 checksum:
f9cd800ced963e29d0bb3e4381596dc3b61a4c4c *CentOS7_InstallerResolutionProblem.tar.xz
It can be downloaded from this link: http://s000.tinyupload.com/index.php?file_id=55151826488339350948
Daniel Johnson djohnson@progman.us