SMARTDRV.EXE--Example Suppose you need to use SMARTDrive's double-buffering feature so that you can use EMM386 to gain access to the upper memory area. To enable double buffering, you would add the following command to your CONFIG.SYS file: device=c:\dos\smartdrv.exe /double_buffer To improve your computer's speed, you could also install the SMARTDrive disk cache by adding the following line to your AUTOEXEC.BAT file: c:\dos\smartdrv /l