AST RESEARCH, INC. TECHNICAL BULLETIN #0868 09-22-93 POWEREXEC EL, EXTERNAL VIDEO ADAPTERS AND POWER STATION When the PowerExec EL is connected to the Power Station, the use of an external video adapter is not supported. System initialization will fail because the PowerExec EL is identified by using a unique video BIOS call. If an external video adapter is used, this call will differ from the EL call causing a failure when initializing the system