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Epsilon User's Manual and Reference
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Epsilon User's Manual and Reference > Variable Reference >

extra-video-modes: preference variable

Default value: 0

Set the extra-video-modes variable to enable the additional video modes Epsilon automatically provides under DOS. Besides Epsilon's built-in video modes, Epsilon can look for a VESA TSR or an Ultravision TSR, and retrieve a list of additional video modes from them.

Set this variable to 1 to disable Ultravision modes but look for VESA modes. Set it to 2 to disable VESA modes but look for Ultravision modes. Set it to 3 to look for both types of TSR's. The default value of 0 disables both types of add-on modes.

If both Ultravision and VESA TSR's are installed, the Ultravision TSR takes precedence. Epsilon only examines the value of this variable when it starts up, so you must set it, use the write-state command, and restart Epsilon for a new setting to take effect.

More info:

Video Display Modes
list-svga-modes



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