Here are the supported video modes.
CGA, Hercules and MDA emulation is performed under X (so you don't need a true CGA card, or a true Hercules card to run DOS programs which require these cards.
For VGA and EGA support, there is too much work to be done by the virtual machine glue logic, so VGA and EGA support is by zooming out to a new virtual terminal (VT).
If you try to run a VGA/EGA program under DOS, you will get a message asking you to press scroll lock to zoom out (or select the DOS pop-up menu). Note that you can make use of the VT switches to easily switch between your UnixWare desktop and you DOS session (ALT-SYS-Function key etc). (note than XTerminals may not support virtual terminals and so VGA/EGA graphics may not be available from such terminals).
"Start" will start a DOS session with these settings, and "Apply" will save these settings for this icon (say FS4.EXE).
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