Twin Express Install INSTALLATION ON THE IBM-PC COMPUTER Requirements: 1. PC-DOS (MS-DOS) 2.0 or higher. 2. 75K of disk space. 3. 150K of free memory. 4. A null-modem cable. 5. A free serial port (COM1, COM2, COM3 or COM4) with a ... a) standard address (3F8h, 2F8h, 3E8h or 2E8h). b) compatible UART chip (8250, 82050, 16450). c) standard UART clock of 1.8432 MHz. Distribution: 1. INSTALL.TXT 2. README.TXT 3. TWIN.EXE 4. TWINDOC.TXT Installation: 1. If your are using your IBM-PC with Windows or OS/2, acti- vate the DOS environment by clicking the appropriate icon. 2. Set the default directory to the directory containing the Twin Express package. The following example assumes this to be the root directory on floppy disk A: A: CD \ 3. Examine file README.TXT for any last-minute changes: TYPE README.TXT 4. Copy the file TWIN.EXE to a directory whose name appears in the search path of DOS (e.g. DOS, c, bin). This way you can run Twin Express from any directory and DOS will find it. You can use the PATH command to display the current search path. The following example assumes that the DOS directory on disk C is in the search path: PATH COPY TWIN.EXE C:\DOS 5. Print the documentation file TWINDOC.TXT: PRINT TWINDOC.TXT 6. Connect one end of a null-modem cable to a serial port (COM1 is used by default) on the IBM-PC and the other end to a serial port on the remote computer. See section 1.4 1 Twin Express Install of the user's guide for the details about the serial cable. 7. You have one week to evaluate the program. After this period you must either remove the program from your system or register your copy. 2