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-.TH fbset 8 "July 1998" local "Linux frame buffer utils"
-.SH NAME
-fbset \- show and modify frame buffer device settings
-.SH SYNOPSIS
-.B fbset
-.RI [ options ]
-.RI [ mode ]
-.SH DESCRIPTION
-.B This documentation is out of date!!
-.PP
-.B fbset
-is a system utility to show or change the settings of the frame buffer
-device. The frame buffer device provides a simple and unique interface to
-access different kinds of graphic displays.
-.PP
-Frame buffer devices are accessed via special device nodes located in the
-/dev directory. The naming scheme for these nodes is always
-.IR \fBfb < n >,
-where
-.I n
-is the number of the used frame buffer device.
-.PP
-.B fbset
-uses an own video mode database located in /etc/fb.modes. An unlimited
-number of video modes can be defined in this database. For further
-information see
-.BR fb.modes (5).
-.SH OPTIONS
-If no option is given,
-.B fbset
-will display the current frame buffer settings.
-.sp
-General options:
-.RS
-.TP
-.BR \-\-help ",\ " \-h
-display an usage information
-.TP
-.BR \-\-now ",\ " \-n
-change the video mode immediately. If no frame buffer device is given via
-.B \-fb
-, then this option is activated by default
-.TP
-.BR \-\-show ",\ " \-s
-display the video mode settings. This is default if no further option or
-only a frame buffer device via
-.B \-fb
-is given
-.TP
-.BR \-\-info ",\ " \-i
-display all available frame buffer information
-.TP
-.BR \-\-verbose ",\ " \-v
-display information what
-.B fbset
-is currently doing
-.TP
-.BR \-\-version ",\ " \-V
-display the version information about
-.B fbset
-.TP
-.BR \-\-xfree86 ",\ " \-x
-display the timing information as it's needed by XFree86
-.RE
-.PP
-Frame buffer device nodes:
-.RS
-.TP
-.BR \-fb "\ <" \fIdevice >
-.I device
-gives the frame buffer device node. If no device via
-.B \-fb
-is given,
-.I /dev/fb0
-is used
-.TP
-.RE
-.PP
-Video mode database:
-.RS
-.TP
-.BR \-db "\ <" \fIfile >
-set an alternative video mode database file (default is
-.IR /etc/fb.modes ),
-see also
-.BR fb.modes (5)
-.RE
-.PP
-Display geometry:
-.RS
-.TP
-.BR \-xres "\ <" \fIvalue >
-set visible horizontal resolution (in pixels)
-.TP
-.BR \-yres "\ <" \fIvalue >
-set visible vertical resolution (in pixels)
-.TP
-.BR \-vxres "\ <" \fIvalue >
-set virtual horizontal resolution (in pixels)
-.TP
-.BR \-vyres "\ <" \fIvalue >
-set virtual vertical resolution (in pixels)
-.TP
-.BR \-depth "\ <" \fIvalue >
-set display depth (in bits per pixel)
-.TP
-.BR \-\-geometry ",\ " \-g "\ ..."
-set all geometry parameters at once in the order
-.RI < xres >
-.RI < yres >
-.RI < vxres >
-.RI < vyres >
-.RI < depth >,
-e.g.
-.B \-g
-.I 640 400 640 400 4
-.TP
-.BR \-match "\ \ \ \ \ \ "
-make the physical resolution match the virtual resolution
-.RE
-.PP
-Display timings:
-.RS
-.TP
-.BR \-pixclock "\ <" \fIvalue >
-set the length of one pixel (in picoseconds). Note that the frame buffer
-device may only support some pixel lengths
-.TP
-.BR \-left "\ <" \fIvalue >
-set left margin (in pixels)
-.TP
-.BR \-right "\ <" \fIvalue >
-set right margin (in pixels)
-.TP
-.BR \-upper "\ <" \fIvalue >
-set upper margin (in pixel lines)
-.TP
-.BR \-lower "\ <" \fIvalue >
-set lower margin (in pixel lines)
-.TP
-.BR \-hslen "\ <" \fIvalue >
-set horizontal sync length (in pixels)
-.TP
-.BR \-vslen "\ <" \fIvalue >
-set vertical sync length (in pixel lines)
-.TP
-.BR \-\-timings ",\ " \-t "\ ..."
-set all timing parameters at once in the order
-.RI < pixclock >
-.RI < left >
-.RI < right >
-.RI < upper >
-.RI < lower >
-.RI < hslen >
-.RI < vslen >,
-e.g.
-.B \-g
-.I 35242 64 96 35 12 112 2
-.RE
-.PP
-Display flags:
-.RS
-.TP
-.IR \fB\-hsync "\ {" low | high }
-set the horizontal sync polarity
-.TP
-.IR \fB\-vsync "\ {" low | high }
-set the vertical sync polarity
-.TP
-.IR \fB\-csync "\ {" low | high }
-set the composite sync polarity
-.TP
-.IR \fB\-extsync "\ {" false | true }
-enable or disable external resync. If enabled the sync timings are not
-generated by the frame buffer device and must be provided externally
-instead. Note that this option may not be supported by every frame buffer
-device
-.TP
-.IR \fB\-bcast "\ {" false | true }
-enable or disable broadcast modes. If enabled the frame buffer generates the
-exact timings for several broadcast modes (e.g. PAL or NTSC). Note that
-this option may not be supported by every frame buffer device
-.TP
-.IR \fB\-laced "\ {" false | true }
-enable or disable interlace. If enabled the display will be split in two
-frames, each frame contains only even and odd lines respectively. These two
-frames will be displayed alternating, this way twice the lines can be
-displayed and the vertical frequency for the monitor stays the same, but the
-visible vertical frequency gets halved
-.TP
-.IR \fB\-double "\ {" false | true }
-enable or disable doublescan. If enabled every line will be displayed twice
-and this way the horizontal frequency can easily be doubled, so that the
-same resolution can be displayed on different monitors, even if the
-horizontal frequency specification differs. Note that this option may not be
-supported by every frame buffer device
-.RE
-.PP
-Display positioning:
-.RS
-.TP
-.IR \fB\-move "\ {" left | right | up | down }
-move the visible part of the display in the specified direction
-.TP
-.BR \-step "\ <" \fIvalue >
-set step size for display positioning (in pixels or pixel lines), if
-.B \-step
-is not given display will be moved 8 pixels horizontally or 2 pixel lines
-vertically
-.RE
-.SH EXAMPLE
-To set the used video mode for
-.B X
-insert the following in rc.local:
-.RS
-.sp
-.B fbset
--fb
-.I /dev/fb0
-vga
-.sp
-.RE
-and make the used frame buffer device known to
-.BR X :
-.RS
-.sp
-.B export
-.RI FRAMEBUFFER= /dev/fb0
-.RE
-.SH FILES
-.I /dev/fb*
-.br
-.I /etc/fb.modes
-.SH SEE ALSO
-.BR fb.modes "(5), " fbdev (4)
-.SH AUTHORS
-.TP
-Geert Uytterhoeven <Geert.Uytterhoeven@cs.kuleuven.ac.be>
-.TP
-Roman Zippel <zippel@fh-brandenburg.de>
-.br
-man files