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Manual page for GTCONFIG(8)

gtconfig - initialize the GT Graphics Accelerator and download microcode.


/usr/etc/gtconfig [ -d device-filename ] [ -f filename ] [ -s0 filename ] [ -s1 filename ] [ -I microcode-directory ] [ -E bit-code ] [ -g|G gamma-value ] [ -degamma8|DEGAMMA8 on|off [ -i ] [ -m|M monitor-type ] [ -c 1-14 ] [ -w 2-9 ] [ -v ]


gtconfig initializes the GT Graphics Accelerator and downloads microcode from the host. It is normally run as a part of /etc/rc.local to download GT microcode files and to complete GT initialization.

The standard version of the file /etc/rc.local contains the following gtconfig command line:


If another configuration is desired, edit the command line in /etc/rc.local.

It is inadvisable to run the gtconfig command while the configured device is being used; unpredictable results may occur. If it is necessary to change the gtconfig command, bring the system down gently, boot single user, edit the gtconfig line in the /etc/rc.local file, and bring the system back up multi-user.

Filenames may be either relative or absolute pathnames. Relative pathnames are prepended with the path specified by -I, or the default path /usr/lib.


-d device-filename
Specifies the GT special file. The default is /dev/gt0.
-f filename
Specifies the Front End microcode file. The default is gt.ucode.
-s0 filename
Specifies the Setup Processor 0 microcode file. The default is gt.c30.ucode.
-s1 filename
Specifies the Setup Processor 1 microcode file. The default is gt.c31.ucode.
-I microcode-directory
Specifies the directory containing microcode files. The default is /usr/lib.
-E bit-code
Initializes the cursor enable plane to contain all zeros or all ones. The default is 0.
-g gamma-value
Specifies the gamma correction value. The default is 2.22.
-G gamma-value
Loads the gamma correction table only; does not initialize the GT or download microcode.
-degamma8 on|off
Specifies automatic inverse gamma correction of 8-bit indexed color maps. This allows colormaps with built-in gamma correction to work properly on GT. The default is on.
-DEGAMMA8 on|off
Like degamma8, but only specifies automatic inverse gamma correction; does not otherwise initialize GT or download microcode.
Initialize the GT backend.
-m monitor-type
Specifies the monitor type of 1280_76, 1280_67, or stereo. The default is 1280_67.
-M monitor-type
Sets the monitor type only; does not initialize the GT or download microcode.
-c 1-14
Sets the OpenWindows server CLUT quota. The default is 8.
-w 2-9
Sets the OpenWindows server WID plane quota. The default is 5.
Sets verbose mode.


GT Graphics Accelerator file
GT Front End microcode file
Setup Processor 0 microcode file
Setup Processor 1 microcode file
directory that normally contains the microcode files
local boot script


gt.4s fbio.4s mmap.2

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Created by unroff & hp-tools. © by Hans-Peter Bischof. All Rights Reserved (1997).

Last modified 21/April/97