H134488 - DOS 3270 APPLICATION FAILS TO CONNECT UNDER OS/2 SYMPTOM: Any IBM PC 300/700 Series, IBM PS/2, or PS/ValuePoint system may fail to connect a DOS 3270 application to the network while running in an OS/2 environment. PROBLEM ISOLATION AIDS: The DOS based 3270 application may exhibit either of the following symptoms while attempting to connect to the network: a) The DOS based 3270 application never connects to the network and posts various configuration errors during the attempt. b) To gain access to the network, the DOS based 3270 application must be started, closed, and restarted to connect. c) A DOS Full Screen session must be opened and closed while the 3270 application starting. FIX: An updated version of the S3 Trio 64/64v+ video device driver for OS/2 has been released to resolve this failure with commonly used DOS 3270 applications. The updated S3 device driver may be obtained from the IBM PC Company BBS system by calling 1-919-517-0001. View the "IBM PC 300/700 Files" section (section #21) for the file titled: Z01T33A.EXE - V2.85.07 S3 Trio 64/64v+ Driver for OS/2 The updated device driver may also be downloaded via the Internet from the IBM Personal Computer File Library by searching the following Internet URL: http://www.pc.ibm.com/files.html Customers that continue to experience failures with this configuration should either use the Dual Boot feature of OS/2 to run the application in a DOS environment or choose an application that is compatible with OS/2. DOS based 3270 applications are not supported in an OS/2 environment due to the direct hardware access requirements. S3 Trio64 & Trio64v+ are trademarks of S3 Incorporated.