Apparatus and method for input data loss prevention with a buffe

Details Apparatus and method for input data loss prevention with a buffe Apparatus and method for input data loss prevention with a buffe

1997-12-26

2000-01-04

Shin, Christopher B.

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output process timing

710 46, 710 52, 710109, G06F 1300

Patent

active

060121106

ABSTRACT:
An apparatus for handling data at two or more ports is described. In one embodiment, the apparatus comprises an apparatus for receiving data at multiple ports, each port having a buffer capable of holding B units of received data and being serviced by a processor resource. The apparatus has software causing the processor resource to have a polling session with each port and to read unread units of data from the buffer in each port during its polling session. It also has a counter for determining the number of units of data that have been read from the buffer and circuitry responsive to said counter to assert flow control from said port based on the number of units of data read.

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