HP j6700 hp workstations - hp-ux 11.x graphics administration guide - Page 52

Device VertRefresh, DisplaySize, Gamma, GammaAllLayers, Device

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configuring X Windows on HP-UX (other graphics cards) the XF86Config file The data given here is used by the X Server to determine if video modes are within the specifications of the monitor. This information should be available in the monitor's handbook. If this entry is omitted, a default range of 28-33 kHz is used. Source: XF86Config man page. VertRefresh gives the range(s) of vertical refresh frequencies supported by the monitor. vertrefresh-range may be a comma separated list of either discrete values or ranges of values. A range of values is two values separated by a dash. By default the values are in units of Hz. They may be specified in MHz or kHz if MHz or kHz is added to the end of the line. The data given here is used by the X Server to determine if video modes are within the specifications of the monitor. This information should be available in the monitor's handbook. If this entry is omitted, a default range of 43-72Hz is used. Source: XF86Config man page. DisplaySize is an optional entry gives the width and height, in millimeters, of the picture area of the monitor. If given this is used to calculate the horizontal and vertical pitch (DPI) of the screen. Source: XF86Config man page. Gamma is an optional entry that can be used to specify the gamma correction for the monitor. It may be specified as either a single value or as three separate RGB values. The values should be in the range 0.1 to 10.0, and the default is 1.0. Not all drivers are capable of using this information. Source: XF86Config man page. GammaAllLayers is an optional entry that causes the X Server to apply gamma correction to all hardware layers. The default behavior is to apply gamma correction only to the image layer of the device. The overlay planes are not affected by gamma. This option is not supported on all devices. "Device" section The config file may have multiple Device sections. There must be at least one, for the video card being used. Device sections have the following format: 50 Chapter 3

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configuring X Windows on HP-UX (other graphics cards)
the XF86Config file
Chapter 3
50
The data given here is used by the X Server to determine if video modes
are within the specifications of the monitor. This information should be
available in the monitor's handbook. If this entry is omitted, a default
range of 28-33 kHz is used. Source: XF86Config man page.
VertRefresh
gives the range(s) of vertical refresh frequencies supported
by the monitor.
vertrefresh-range
may be a comma separated list of either
discrete values or ranges of values. A range of values is two values
separated by a dash. By default the values are in units of Hz. They may
be specified in MHz or kHz if
MHz
or
kHz
is added to the end of the line.
The data given here is used by the X Server to determine if video modes
are within the specifications of the monitor. This information should be
available in the monitor's handbook. If this entry is omitted, a default
range of 43-72Hz is used. Source: XF86Config man page.
DisplaySize
is an optional entry gives the width and height, in
millimeters, of the picture area of the monitor. If given this is used to
calculate the horizontal and vertical pitch (DPI) of the screen. Source:
XF86Config man page.
Gamma
is an optional entry that can be used to specify the gamma
correction for the monitor. It may be specified as either a single value or
as three separate RGB values. The values should be in the range 0.1 to
10.0, and the default is 1.0. Not all drivers are capable of using this
information. Source: XF86Config man page.
GammaAllLayers
is an optional entry that causes the X Server to apply
gamma correction to all hardware layers.
The default behavior is to
apply gamma correction only to the image layer of the device.
The
overlay planes are not affected by gamma.
This option is not supported
on all devices.
“Device” section
The config file may have multiple
Device
sections. There must be at
least one, for the video card being used.
Device
sections have the
following format: