= AST RESEARCH, INC. TECHNICAL BULLETIN # 0981 9-20-94 = BRAVO 4/50S AND THE AKHTER 16 BIT ETHERNET ADAPTER PROBLEM: The Bravo 4/50S system hangs using the AKHTER 16 bit Ethernet Adapter when the LAN adapter is configured for IRQ2. CAUSE: Noise caused by an impedance mismatch between the AKHTER LAN Adapter and the Bravo system. SYSTEMS AFFECTED: AST PART NUMBER DESCRIPTION 501433-XXX BRAVO LC 4/50S SOLUTION: Select a different IRQ.