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Old 02-16-2004, 01:36 PM   #1
davidcrawley
LQ Newbie
 
Registered: Feb 2004
Distribution: Fedora 1, RH 9, Debian
Posts: 12

Rep: Reputation: 0
Screen Resolution problem with Fedora 1


OK so I decided to try Fedora. I installed from CDs.

There was a problem installing in Graphical Mode. Namely the screen went blank and I got an error from my monitor:

Out of range:
fh=27.0khz
fv=42.8Hz

I was able to install in graphical mode by using

linux resolution=1200x1024

at the start of the install process

The install seemed to go OK but when I booted the system for real I get the same error from my monitor.

The kernel seems to be running fine. I can even SSH in to my machine over the network and log in as root. It just isn't outputing to the screen.

The anaconda-ks.cfg file has a line:

xconfig --card "S3 ProSavage KM133" --videoram 31680 --hsync 30-96 --vsync 50-160
--resolution 800x600 --depth 16 --startxonboot --defaultdesktop gnome

so one should suppose that anaconda properly worked out that hsync and vsync shouldn't be so low and when I checked in

XFConfig

The thing read

Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "HM703U"
DisplaySize 300 240
HorizSync 30.0 - 96.0
VertRefresh 50.0 - 160.0
Option "dpms"

so it seems that the X should get the screen sync rates correct. Anyway I decided to play it safe so I changed the Display size to 1200 1024 so the thing now reads

Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "HM703U"
DisplaySize 1200 1024
HorizSync 30.0 - 96.0
VertRefresh 50.0 - 160.0
Option "dpms"

I also changed


Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 16
SubSection "Display"
Depth 16
Modes "800x600" "640x480"
EndSubSection


to

Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 16
SubSection "Display"
Depth 16
Modes "1200x1024" "800x600" "640x480"
EndSubSection


in otherwords adding the extra 1200x1024 under the Modes bit.

I tried rebooting the system and the thing still has exactly the same problem. Is there anyway I can use GRUB to issue a similar option to the resolution=1200x1024 that I issued when doing the install? Is there some other problem.

Does anyone know a solution to this problem. It would seem that X is running (it can be seen on the process list) and is giving output to the screen, its just that the screen can't accept such a poor resolution output.
 
Old 02-16-2004, 10:42 PM   #2
ilikejam
Senior Member
 
Registered: Aug 2003
Location: Glasgow
Distribution: Fedora / Solaris
Posts: 3,109

Rep: Reputation: 96
You might want to try lowering HorizSync 30.0 - 96.0 to something like 30.0-85.0

Dave
 
  


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