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Old 10-01-2004, 09:25 AM   #1
evrenulusoy
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Registered: Oct 2004
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Question monitor refresh rate


Hello All,

I have RedHat 9.0
[Linux version 2.4.20-8 / XFree86 Version 4.3.0 (Red Hat Linux release: 4.3.0-2) ] installed on my Celeron computer.
My video card is S3Trio3D/2X 86c368 4MB
My monitor is Samsung SyncMaster 750s

My config file ise like below:
....
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Samsung SyncMaster 750(M)s(T)"
DisplaySize 320 240
HorizSync 30.0 - 70.0
VertRefresh 70.0 - 160.0
ModeLine "1024x768" 96.70 1024 1072 1312 1408 768 770 782 808 #85Hz
Option "dpms"
EndSection
....
and I have line in XFree86 log like this;
II) VESA(0): VBESetVBEMode failed...Tried again without customized values.

I tried almost everything to set the refresh rate to 85Hz @ 1024x768 mode but everytime
X window starts with 60Hz

anything anyone can suggest? help please
 
Old 10-01-2004, 10:01 AM   #2
HappyTux
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Registered: Mar 2003
Location: Nova Scotia, Canada
Distribution: Debian AMD64
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Re: monitor refresh rate

Quote:
Originally posted by evrenulusoy



anything anyone can suggest? help please
Well showing us more of the log file (preferably almost all of it) would be a good place to start that way we could see how the card gets detected and what driver it is using, the config section for the monitor looks good though ... And you may want to try without the custom modline so we can see how X does it all on its own and post that log first.
 
Old 10-02-2004, 04:39 AM   #3
evrenulusoy
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Without any modification or any modline in the configuration file, it starts same.. again with 60Hz...

log file seems a little long to post here therefore I uploaded the file to my site;
http://teos.isikun.edu.tr/~ulusoyev/logs/XFree86.txt

I couldn't understand the reason of the line below as well;
(II) VESA(0): Not using mode "1024x768@85Hz" (no mode of this name)

thnx
 
Old 10-02-2004, 08:08 AM   #4
HappyTux
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Quote:
Originally posted by evrenulusoy
Without any modification or any modline in the configuration file, it starts same.. again with 60Hz...

log file seems a little long to post here therefore I uploaded the file to my site;
http://teos.isikun.edu.tr/~ulusoyev/logs/XFree86.txt

I couldn't understand the reason of the line below as well;
(II) VESA(0): Not using mode "1024x768@85Hz" (no mode of this name)

thnx
Ok try this for the Modeline.

Code:
Modeline "1024x768" 94.5 1024 1072 1168 1376 768 769 772 808
That should give you the "Supported additional Video Mode:" #2 in the log and it seems pretty close to the 1024x768@85hz one that you were originally trying to use.

Code:
(II) VESA(0): Supported additional Video Mode:
(II) VESA(0): clock: 56.2 MHz   Image Size:  306 x 230 mm
(II) VESA(0): h_active: 800  h_sync: 832  h_sync_end 896 h_blank_end 1048 h_border: 0
(II) VESA(0): v_active: 600  v_sync: 601  v_sync_end 604 v_blanking: 631 v_border: 0
(II) VESA(0): Supported additional Video Mode:
(II) VESA(0): clock: 94.5 MHz   Image Size:  306 x 230 mm
(II) VESA(0): h_active: 1024  h_sync: 1072  h_sync_end 1168 h_blank_end 1376 h_border: 0
(II) VESA(0): v_active: 768  v_sync: 769  v_sync_end 772 v_blanking: 808 v_border: 0
Now if this does not work then according to this page at the The Linux Documentation Project you can use "s3virge" for the Xserver 4.x for the driver instead of the vesa one you are trying to use here. And the driver is included here in Debian with 4.3 so it should be in Redhat as well you are usually better off using the native driver for the card unless it fails then you usually fall back to vesa.
Code:
>$ locate s3virge
/usr/share/doc/xserver-xfree86/README.s3virge
/usr/X11R6/lib/modules/drivers/s3virge_drv.o
/usr/X11R6/man/man4/s3virge.4x.gz
 
Old 10-02-2004, 11:41 AM   #5
evrenulusoy
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yipuu

by changing the driver to s3virge and removing the modelines solved the problem, now I'm @85Hz !!
at last I won't have headache while I'm using Linux (because of 60Hz)

thanks a lot
 
  


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