Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 10, 2009
0Patent Application Number
116754580
Date Filed
February 15, 2007
0Patent Primary Examiner
Patent abstract
A method for reading input/output port data is provided. In the present method, a write trap procedure is enabled so that the data is stored in a buffer first when there is data to be written in the input/output port. Then, a read trap procedure is enabled so that the data stored in the buffer is read out and used as the data of the input/output port when there is a need to read the data of the input/output port. Therefore, the defect in the prior art that the basic input/output system (BIOS) in a direct input/output mode can only be written in but cannot be read out is resolved.
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