Pre-Installation Requirements for the Single-Tier "Lite" Edition ODBC Driver for Informix, for Unix-like OS DBMS Requirements You need to know a variety of information pertaining to your target Informix instance and database: Database Name Informix Instance Name Informix Instance Startup Mode (Sockets or Shared Memory). Note: Shared Memory connections with the Lite Edition are only possible when it is running on the Informix instance host. Sockets connections with the Lite Edition may be made from any host. Informix Service Name Informix TCP Port Number Database Server Hostname or IP Address Software Requirements You must have the Informix native client software installed on the same machine as your OpenLink Lite Informix driver. You can obtain the Informix Client SDK free of charge from the IBM Web site. Configuration Requirements You need to configure your local Informix client to connect to the remote Informix DBMS. Next... Proceed to Installation & Configuration.