        This technical note documents a configuration limitation of PC Support/400 when used in conjunction with WinTwin/400. When PC Support is installed it may be configured for a software interrupt value within the range of 60 to 68 inclusive. This interrupt value defaults to 68 and is specified with the INTL entry in the CONFIG.PCS file. WinTwin/400 is designed to work with any of the configured interrupts, however Windows uses interrupt 67 for DPMI memory management services and WinTwin/400 will not locate the router when PC Support is configured for this value. The other interrupt values are almost always unused, and WinTwin/400 requires that PC Support be configured for another valid interrupt value.
Fraser's Hill and FHL are registered trademarks of Fraser's Hill Ltd. Other product and company names may be registered trademarks, trademarks, or service marks of their respective owners. FHL 14-Apr-2002 
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