Configuration

Global configuration file

confgen.force

Set this value to true if you want steam-dos to re-create DOSBox user configuration on every run. This option is useful mostly for development purposes. Defaults to: false

midi.enable

This option is used to control the start of software MIDI synthesiser for all games. You can override value for specific game with SDOS_NO_MIDI. Defaults to: true

midi.soundfont

The filename of a soundfont file used by software MIDI synthesiser. steam-dos will search for a soundfont in ~/.local/share/soundfonts/, ~/.local/share/sounds/sf2/ and in default system-wide locations.

Defaults to: FluidR3_GM.sf2. If not found, then default.sf2.

dosbox.fullscreenmode

dosbox.scaler

dosbox.bin

DOSBox configuration

Automatic .conf file

User .conf file

Environment and configuration variables

Name	Values	Description
SDOS_NO_MIDI	0 or 1	Set 1 to turn off software MIDI synthesiser.
SDOS_NO_MIDI_PRESET	0 or 1	Set 1 to prevent patching of game files.
SDOS_RUN_EXE	path to file	Set path to executable file to be launched instead of Steam-selected one. Example: SDOS_RUN_EXE="GAME/SETUP.EXE" %command%
SDOS_SCREEN	number	Set to the number of the screen, that you want the game to use. Use xrandr --listmonitors to learn what numbers you can use. Defaults to 0, which is your primary display.
SDOS_SIERRA_GAME	number	Set to the number of the game in Sierra Launcher, that you want to start. Check SierraLauncher.ini file in the game's installation dir to learn which number corresponds to which game. Defaults to 1.