To install the DOS driver for the ES938 3D control please follow these instructions..

First, exit to DOS mode..

1. Create a directory "938DOS" on your hard disk.
2. Insert the MMCD in to your CD-ROM drive. Locate the file es938ctl.exe in the directory app\product\2\ess938\938dos\ on the MMCD and copy it to the hard disk directory "938DOS".

DOS ES938 Control

1. Boot up the hard disk and log into the "938DOS" directory.
2. Type "ES938CTL / parameter" at the DOS prompt. The parameter is the optional functions of the ES938 3D-Sound Effect control. The syntax of the complete command is described as below :

ES1868 + ES938CTL (/S:[0-3])(/B:[0-7])(/T:[0-7])
/S - Set Spatializer Level 0-Off, 1-Low, 2-Medium, 3-High
/B - Set Bass Level (0 thru 7)
/T - Set Treble Level (0 thru 7)
e.g. "ES1868 + ES938CTL /S:3" means enable the highest 3D-Sound Effect.