AST RESEARCH, INC. TECHNICAL BULLETIN # 0982 9-23-94 ASCENTIA 900N PARALLEL PORT AND THIRD PARTY HARDWARE/SOFTWARE PROBLEM: When some third party devices are connected to the Ascentia 900N parallel port, the software does not properly recognize the interrupt on LPT1. For example, the following error message may appear on the display: "IRQ 7 could not be found on LPT1" CAUSE: Older versions of software do not properly recognize the VLSI implementation of the super I/O chipset. SYSTEMS AFFECTED: AST PART NUMBER DESCRIPTION 501299-2XX ASCENTIA 900N 4/50 CS10 501300-3XX ASCENTIA 900N 4/50 CT9 501302-2XX ASCENTIA 900N 4/75 CS10 501304-3XX ASCENTIA 900N 4/75 CT10 SOLUTION: For other software conflicts contact the third party software manufacturer for the latest drivers that support the VLSI implementation.