05-01-2011
Correcting the display resolution
I have an issue with the display resolution under Xfce. The monitor can handle 1024x768, but the screen display is 800x600. The control panel does not allow me to change this.
I also found the file .config/xfce4/xfconf/xfce-perchannel-xml/displays.xml in which I have made changes, but after a restart these changes get lost.
What makes this issue even stranger is that a previous installation of the exact same distribution (FreeBSD 8.1), did yield a resolution of 1024x768 from the start.
UPDATE: Something else that has puzzled me is why the refresh rate is at 61Hz, as opposed to a choice of 60Hz and 75Hz, with no option to change this.
Last edited by figaro; 05-01-2011 at 04:43 AM..
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LEARN ABOUT MOJAVE
vga_getmonitortype
vga_getmonitortype(3) Svgalib User Manual vga_getmonitortype(3)
NAME
vga_getmonitortype - returns the monitor type configured
SYNOPSIS
#include <vga.h>
int vga_getmonitortype(void);
DESCRIPTION
This returns the monitor type configered in /etc/vga/libvga.config. This function is really obsolete, as the result is of not much use to
the application vga_getmodeinfo(3) and vga_hasmode(3) do already check the monitor type and there are more flexible ways to specify it too.
The return value is one of:
MON640_60
31.5 KHz (standard VGA): does 640x480 in 60Hz vsync.
MON800_56
35.1 KHz (old SVGA): does 800x600 in 56Hz vsync.
MON1024_43I
35.5 KHz (low-end SVGA, 8514): does 1024x768 in 43Hz vsync interlaced.
MON800_60
37.9 KHz (SVGA): does 800x600 in 60Hz vsync.
MON1024_60
48.3 KHz (SVGA non-interlaced): does 1024x768 in 60Hz vsync, non-interlaced.
MON1024_70
56.0 KHz (SVGA high frequency): does 1024x768 in 70Hz vsync.
MON1024_72
does 1024x768 in 72Hz vsync or even better.
SEE ALSO
svgalib(7), vgagl(7), libvga.config(5), mousetest(6), spin(6), vga_init(3), vga_setmode(3), vga_hasmode(3), vga_getmodeinfo(3)
AUTHOR
This manual page was edited by Michael Weller <eowmob@exp-math.uni-essen.de>. The exact source of the referenced function as well as of the
original documentation is unknown.
It is very likely that both are at least to some extent are due to Harm Hanemaayer <H.Hanemaayer@inter.nl.net>.
Occasionally this might be wrong. I hereby asked to be excused by the original author and will happily accept any additions or corrections
to this first version of the svgalib manual.
Svgalib (>= 1.2.11) 27 July 1997 vga_getmonitortype(3)