Computer Setup -------------- System requirements This program has been written to run on IBM PC compatible computers. Preferably 386-SX 25 or faster. Format The Celltrak program is a DOS application suitable for use on all compatible computers using DOS 2.0 or later. Using a Windows icon Like most DOS applications Celltrak can be made to run from a Windows icon when running in "Standard" Windows. To select Standard mode from dos type "WIN/S" then ENTER. Celltrak will not run in enhanced mode. Note : On certain types of computer it is necessary to disconnect pin 11 on the parallel connector. See diagrams (1) & (2).