System and method for transferring data between a plurality of virtual FIFO's and a peripheral via a hardware FIFO and selectively updating control information associated with the virtual FIFO's

Granted: Aug 22, 1995 Filed: Mar 31, 1992

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.