CGA-GSM.TXT Driver File Contents (

                 Gray Scale Management for CGA Displays

     Toshiba has provided two utilities, CHAD and DSGSM, to help you 
control the way your computer converts colors into levels of gray on 
your flat panel screen.  


     There may arise situations when two adjacent colored regions on your
screen are displayed at the same or similar gray levels.  This will make it
difficult or impossible to distinguish the two regions.  For example, suppose
an application displays text on your screen such that the color of the text 
and the color of the text background map to the same gray level.  This will
cause the text to blend in with the background color.

     CHAD is used to adjust the way colors are converted into levels of 
gray.  Please refer to your computer's reference manual for more information 
on how to use this program.


     DSGSM is the DOS Shell Gray Scale Manager. This utility is a Terminate
and Stay Resident (TSR) program intended for use with the Task Swapping
function of the DOS Shell (DOSSHELL).  

     The DOS Shell allows the user to do task swapping between several 
active applications. DSGSM will preserve the individual color-to-gray level 
mappings for each active application.

     You will need DSGSM only if you use the DOS Shell Task Swapper and
you use CHAD to change the color-to-gray level mappings.

     You must invoke DSGSM before starting the DOS Shell.  This is done
by entering the following command: 


     An installation message will appear on your screen to indicate that
DSGSM is now loaded.
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How To Update Drivers Manually

After your driver has been downloaded, follow these simple steps to install it.

  • Expand the archive file (if the download file is in zip or rar format).

  • If the expanded file has an .exe extension, double click it and follow the installation instructions.

  • Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.

  • Find the device and model you want to update in the device list.

  • Double-click on it to open the Properties dialog box.

  • From the Properties dialog box, select the Driver tab.

  • Click the Update Driver button, then follow the instructions.

Very important: You must reboot your system to ensure that any driver updates have taken effect.

For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.

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