6.5 Using SMARTDrive with Copy-Protected Games and Applications When using SMARTDrive, you may encounter problems starting a copy- protected application that requires you to place the master disk in the floppy disk drive. To solve this problem, you need to disable caching on the floppy disk drive by using the drive letter - option when you load SMARTDrive. For example, if you load SMARTDrive from your AUTOEXEC.BAT file and are using drive A, you need to include the following command line in your AUTOEXEC.BAT file: smartdrv a- .