System and method of implementing a buffer memory and hard...

Details System and method of implementing a buffer memory and hard... System and method of implementing a buffer memory and hard...

2005-01-11

2005-01-11

Peyton, Tammara (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output data buffering

C710S052000, C710S055000, C710S057000, C711S113000, C711S118000, C711S125000

Reexamination Certificate

active

06842801

ABSTRACT:
A method and system for writing data which includes the steps of: receiving a write command, storing associated data in a buffer memory, determining whether or not enough free space exists in the buffer memory to store a subsequent unit of write data, and sending a “command complete” signal to the external device, if it is determined that there exists enough free space to store a subsequent unit of write data. The disk drive unit includes: a random access recording medium, a command memory, a buffer memory, and a logic circuit for determining whether or not enough free space exists in the buffer memory to store a subsequent unit of write data, with a predetermined reference value representing the amount of free space occupied by a typical unit of write data.

REFERENCES:
patent: 5450546 (1995-09-01), Krakirian
patent: 5561823 (1996-10-01), Anderson
patent: 6622206 (2003-09-01), Kanamaru et al.
patent: 2000019379 (2000-01-01), None

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