The illustrative enhanced ACPI interface alleviates congestion in data...http://www.google.com/patents/US6131131?utm_source=gb-gplus-sharePatent US6131131 - Computer system including an enhanced communication interface for an ACPI-compliant controllerAdvanced Patent SearchPublication numberUS6131131 APublication typeGrantApplication numberUS 09/012,434Publication dateOct 10, 2000Filing dateJan 22,