============================================================================= AST RESEARCH, INC. TECHNICAL BULLETIN #0715 11-05-91 ============================================================================= AST PREMIUM EXEC 286/12 AND DOS 5.0 PROBLEM: When installing Microsoft or AST's version of DOS 5.0 on the Premium Exec 286/12, an error will occur. The error is a blinking cursor on the upper left hand corner of the screen and the drive A:> light remains on. When this error occurs, the system will lock up. SYSTEMS AFFECTED: Premium Exec 286/12 CAUSE: This problem is caused only when the Suspend mode is enabled. SOLUTION: Currently, AST's Portable Marketing group has determined that this problem will not be fixed. However, there is a workaround for this problem. Before installing DOS 5.0, run the Premium Exec 286/12 setup program and disable Suspend mode. then proceed with the installation. When the installation for DOS 5.0 is completed, re-run setup and enable the Suspend mode.