ocr: 3rd Floppy DEVICE DRIVER by ULTRASTUR for (12F) Enter the following in your CONFIG.SYS file. DEVICE-CENSTSNEXFDHU.STS /:? Replace the question ? = - 1 for 360 Kb mark with the number 2 for 1.2 Mb that designates your 3 for 720 Kb type of 3rd Floppy. 4 for 1.4 Mb NOTE: Don't forget to MD (make directory) SYS and place the file EXFDRU.SYS in the SYS directory.