2.7 Invisible Software - NET/30 For Windows To use NET/30 For Windows, choose the Custom Setup option when you run Setup. For your network configuration, choose Other Network (Requires disk from OEM). You are prompted for a path to the directory containing your NET/30 files. Your SYSTEM.INI and WIN.INI files will automatically be updated. If you are setting up Windows on a nondedicated file server and you are sharing a serial printer, you must add a line to the SYSTEM.INI file. If you are sharing COM1, add the following line in the [386Enh] section: COM1AutoAssign=0 If you are sharing COM2, add the following line to the [386Enh] section: COM2AutoAssign=0 .