AST RESEARCH, INC., TECHNICAL BULLETIN #TB-0382 02-17-88 AST-5250 DISPLAY/PREMIUM 286 It has been found that early versions of AST-5250 Display product (part number 500261-001) may not operate properly in the AST Premium/286 personal computer. The symptom that the Premium/286 may exhibit with the 5250- Display board installed is that it does not boot-up properly. It will "hang" as it is executing the power-on diagnostics. AST-5250 Display boards (part number 200074-001 with a revision level of "X5" or lower) will exhibit this problem. If this problem is being experienced, contact AST Product Support for further instructions. Any AST-5250 Display boards with a revision level of "X6" (or higher) will operate correctly in the AST Premium/286.