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AST RESEARCH, INC. TECHNICAL BULLETIN #0661 01-30-91
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AST COAX II-CUT AND WD-1007A CONTROLLER CONFLICT
A Coax Adapter Board (CAB) Error 9 may occur while trying to load the AST
COAX II-Cut Emulation software. (Reference Technical Bulletin #0453: Error
9 is defined as "Reserved".)
Any error that is listed as "Reserved" typically is the result of a hardware
conflict between an AST card and another card in the machine. The
specifications for a Western Digital WD-1007A ESDI Controller states that it
uses a shared memory address of C800H. Western Digital has indicated that a
potential problem may occur.
To resolve this problem, move Jumper W1 on the controller from 2-3 to 1-2.