i have a dell 2000FP monitor (Digital) which is optimized at 1600 x 1200Two ways:
resolution @60Hz refresh rate. My video graphics card is ATI FireGL X1 with
128MB memory. Try as I have, I cannot get it to get a resolution above 1280 x
1024 and a refresh rate of 75Hz. It looks awful at that resolution. Can someone
please help in setting this resolution?
1. Run redhat-config-xfree86. Choose the resolution from the
drop-down list. If 1600x1200 isn't there, make sure your monitor
is OK -- you might need to choose "generic laptop display panel
1600x1200". It's vaguely possible that you may need to reduce
the colour depth to thousands instead of millions.
2. Possibly the easiest way. Edit /etc/X11/XF86Config. In
'Section "Screen"' add 1600x1200 to the front of the lists of
Modes that you find there (be sure to put it in quotes).You'll need to restart the X server for this to take effect. Logging out is usually enough, crtl-alt-backspace is definitely enough. Personally, I'd be inclined to log in to a virtual terminal and run "init 5" to drop out of graphics modes and then run "X" (just that, that's the name of the command) and make sure I get a nice black screen with a cursor and then crtl-alt-backspace and make sure there are no nasti error messages.
I believe it's possible to force a 60Hz refresh rate by using the mode "1600x1200@xx" although I've never tried it.
jch
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