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Part: V Appendixes > DEVICEHIGH= 5.0 and later—Internal

DEVICEHIGH= 5.0 and later—Internal

With the DEVICEHIGH= command, DOS can load device drivers into upper memory space, saving conventional memory for your application programs. To do so, DOS must have a UMB provider, such as EMM386, available. Also, the driver must be small enough to fit into the available UMB space. If DOS cannot load a driver specified with the DEVICEHIGH= command into upper memory, it loads the driver into conventional memory instead. Not all device drivers can run in upper memory. DEVICEHIGH= can be used only in your CONFIG.SYS file.


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