= AST RESEARCH, INC. TECHNICAL BULLETIN # 0966 8-29-94 = PREMMIA LX LOCK-UP RUNNING IBM 3270 CARD AND DYNACOM SOFTWARE PROBLEM: 1. The Premmia LX system experiences intermittent lock-ups while running the IBM 3270 card (part number 53F6425) and Dynacomm software for Windows. 2. While connected, the system resources (in program manager: help menu selection; about program manager selection) go from 73% free down to 20% and then the system locks-up or loses the connection. CAUSE: 1. The advanced CMOS settings are incorrect. 2. Using incorrect version of Dynacomm software. SYSTEMS AFFECTED: AST REVISION PART NUMBER DESCRIPTION LEVEL 501288-XXX PREMMIA LX P/60 All 501289-XXX PREMMIA LX P/66 All SOLUTION: 1. In advanced CMOS Setup, change: "DISABLE SHADOW MEMORY BASE:" to c0000h and "DISABLE SHADOW MEMORY SIZE:" to 64KB. 2. Must run Dynacomm for Windows, version 3.00.12.