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Old 04-24-2004, 12:16 PM   #1
Registered: Nov 2003
Location: England
Distribution: slackware, FreeBSD
Posts: 33

Rep: Reputation: 15
XFree86 - resolution problems


I'm having a little trouble getting Xf86 to run in the resolution/refresh-rate that i'd like. The specs of my monitor are as follows:

Bandwidth: 157MHz
Horizontal Freq: 30-96 KHz
Vert Freq: 47-160 Hz

The values I have set in my XF86Config file are:
HorizSync 30-96
VertRefresh 47-160
and my "modes" are set to "1280x1024" in the relevant Subsection (depth 24)

I can't get my monitor to run 70hz @ 1280x1024 - instead it runs at only 60Hz which really hurts my eyes. If i set the VertRefresh to 70, it reverts to 1024x768@60Hz.

How can I force it to run 70Hz, or even 75 Hz? (the monitor definately supports those rates at 1280*1024).

Any help greatly appreciated
Old 04-24-2004, 04:18 PM   #2
LQ Guru
Registered: Feb 2003
Location: Sparta, NC USA
Distribution: Ubuntu 10.04
Posts: 5,141

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Here are some links I have collected that may help.

# I don't get a GUI/my resolution isn't what I want
# Configuring X
Linux Hardware Compatibility HOWTO - video cards
The Linux XFree86 HOWTO
Configuring XFree86 for a Non-Specific Linux Distribution
Common X configuring tools:
Debian - dpkg-reconfigure xserver-xfree86
Mandrake - XFdrake
SuSE - sax2
Red Hat Linux 9: Red Hat Linux Reference Guide Chapter 7. The X Window System
Redhat 7.3 down - the setup utility leads to several config tools
Redhat 7.3 up - redhat-config-xfree86
You may have one or more of these tools:
XFree86 -configure
ATI Linux drivers
If you need the nVidia driver, you want the Linux IA32 driver unless you just bought the new AMD 64 bit CPU


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