2004-04-23 21:54:30 +02:00
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.\" $XFree86$
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2003-11-14 17:48:57 +01:00
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.TH GTF 1 __vendorversion__
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.SH NAME
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gtf - calculate VESA GTF mode lines
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.SH SYNOPSIS
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.B gtf
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.I h-resolution
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.I v-resolution
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.I refresh
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.RB [ \-v | \-\-verbose ]
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.RB [ \-f | \-\-fbmode ]
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2004-04-23 21:54:30 +02:00
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.RB [ \-x | \-\-xorgmode ]
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2003-11-14 17:48:57 +01:00
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.SH DESCRIPTION
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.I Gtf
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is a utility for calculating VESA GTF modes. Given the desired
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horizontal and vertical resolutions and refresh rate (in Hz), the parameters
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for a matching VESA GTF mode are printed out. Two output formats are
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2004-04-23 21:54:30 +02:00
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supported: mode lines suitable for the __xservername__
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.B __xconfigfile__(__filemansuffix__)
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file, and mode parameters suitable for the Linux
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.B fbset(8)
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utility.
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.SH OPTIONS
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.TP 8
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.BR \-v | \-\-verbose
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Enable verbose printouts This shows a trace for each step of the
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computation.
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.TP 8
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2004-04-23 21:54:30 +02:00
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.BR \-x | \-\-xorgmode
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Print the mode parameters as __xservername__-style mode lines. This is the
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default format.
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.TP 8
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.BR \-f | \-\-fbset
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Print the mode parameters in a format suitable for
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.BR fbset(8) .
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.SH "SEE ALSO"
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__xconfigfile__(__filemansuffix__)
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2003-11-14 17:48:57 +01:00
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.SH AUTHOR
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Andy Ritger.
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.PP
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This program is based on the Generalized Timing Formula (GTF(TM)) Standard
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2007-07-25 20:53:45 +02:00
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Version: 1.0, Revision: 1.0. The GTF Excel(TM) spreadsheet, a sample
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(and the definitive) implementation of the GTF Timing Standard is
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available at <ftp://ftp.vesa.org/pub/GTF/VTF_V1R1.xls>.
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