============================================================================= AST RESEARCH, INC. TECHNICAL BULLETIN #0624 04-16-90 ============================================================================= IBM OS/2 1.1, ESDI DRIVES AND PREMIUM 386C COMPUTERS In order to install IBM OS/2 v1.1 on AST Premium 386C computers with an ESDI hard drive and controller, the Premium 386C must be configured with the Auto-Slowdown feature disabled and the system processing speed set to high. Before installing IBM OS/2 v1.1 on the Premium 386C, use ASTSETUP to verify that these items are set as described above.