MirBSD manpage: gtf(1)


GTF(1)              UNIX Programmer's Manual               GTF(1)

NAME

     gtf - calculate VESA GTF mode lines

SYNOPSIS

     gtf h-resolution v-resolution refresh [-v|--verbose]
     [-f|--fbmode] [-x|--xf86mode]

DESCRIPTION

     Gtf is a utility for calculating VESA GTF modes.  Given the
     desired horizontal and vertical resolutions and refresh rate
     (in Hz), the parameters for a matching VESA GTF mode are
     printed out.  Two output formats are supported: mode lines
     suitable for the XFree86 XF86Config(5) file, and mode param-
     eters suitable for the Linux fbset(8) utility.

OPTIONS

     -v|--verbose
             Enable verbose printouts  This shows a trace for
             each step of the computation.

     -x|--xf86mode
             Print the mode parameters as XFree86-style mode
             lines.  This is the default format.

     -f|--fbset
             Print the mode parameters in a format suitable for
             fbset(8).

AUTHOR

     Andy Ritger.

     This program is based on the Generalized Timing Formula
     (GTF(TM)) Standard Version: 1.0, Revsion: 1.0.  The GTF
     Excel(TM) spreadsheet, a sample (and the definitive) imple-
     mentation of the GTF Timing Standard is available at
     <ftp://ftp.vesa.org/pub/GTF/VTF_V1R1.xls>.

XFree86                   Version 4.5.0                         1

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