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Old 11-15-2003, 09:41 PM   #1
Sometimes
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Resolution Problems Post NVIDIA Driver Installtion


While running the "nv" drivers, I was succesffully running in 2048x1536. I installed the drivers, and no matter what I force in my XF86Config, it will not run above 1600x1200. Even now, the only mode listed in my XF86Config is 2048x1536, but it still defaults back to 1600x1200 for some reason...

I have googled to no avail... Anyone have any ideas at all? I'll be happy to post any config files you would like to see.
 
Old 11-16-2003, 12:18 AM   #2
wapcaplet
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Did you check out the NVIDIA README file? It has answers to a lot of resolution-related questions. Something in there similar to what you're experiencing:

Quote:
Q: I'm using either nForce of nForce2 internal graphics, and I see
warnings like this in my XFree86.0.log file:

Not using mode "1600x1200" (exceeds valid memory bandwidth usage)

A: Integrated graphics have stricter memory bandwidth limitations
that restrict the resolution and refresh rate of the modes you
request. To work around this, you can reduce the maximum refresh
rate by lowering the upper value of the "VertRefresh" range in the
Monitor section of your XF86Config file. Though not recommended,
you can disable the memory bandwidth test with the "NoBandWidthTest"
XF86Config file option.
There's also a large section in there about how video modes are determined and validated. Maybe it'll help you make some tweaks to XF86Config.
 
Old 11-16-2003, 01:33 AM   #3
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Yes, I did make sure I read the README.

I did infact turn off the bandwidth test in my XF86Config already.
 
Old 11-16-2003, 11:00 AM   #4
wapcaplet
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This may be a silly question, but are you editing XF86Config or XF86Config-4? More recent versions of X use XF86Config-4, so you'll want to make sure you're editing the one it's actually using. Also, you may be able to glean something useful by reading the X logs, usually in /var/log/XFree86.0.log.
 
  


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