DR. WILLIAM EASTON WALKER, M.D.
Osteopathic Medicine at Sackett St, Houston, TX

5555250, Sep 10, 1996

Oct 14, 1994

8/323263

William J. Walker - Houston TX
Alan L. Goodrum - Tomball TX
Dale J. Mayer - Houston TX

Compaq Computer Corporation - Houston TX

H03M 1300

371 401

A system that performs error correction and detection of data read from memory in a computer system having a processor bus and a system bus. A pair of data buffers are used to interface between the memory and the processor data bus or the system data bus. Each data buffer receives half the data bits from the memory array, from the processor data bus, and from the system data bus. Each of the data buffers contains logic for performing error detection and correction. To enable error correction, check bits are generated by the data buffers in a write cycle to the memory. A feature of the present invention is that half the check bits are provided to one data buffer and the second half is provided to other data buffer. When a memory read cycle is performed, the retrieved check bits and data bits are examined according to the error correction algorithm to determine if a single bit correctable error has occurred. If so, the erroneous data bit is flipped.

7120758, Oct 10, 2006

Feb 12, 2003

10/365018

Phillip M. Jones - Spring TX, US
Robert A. Lester - Tomball TX, US
Jens K. Ramsey - Cypress TX, US
William J. Walker - Houston TX, US
John E. Larson - Houston TX, US
James Andre - Houston TX, US
Paul Rawlins - Spring TX, US

Hewlett-Packard Development Company, L.P. - Houston TX

G06F 12/00, G06F 3/00

711147, 711100, 710 52, 710 54, 710 56

Method and apparatus for improving processor performance. In some embodiments, processing speed may be improved by reusing data stored in a buffer during an initial request by subsequent requests. Assignment of temporary storage buffers in a controller may be made to allow for the potential for reuse of the data. Further, a hot buffer may be designated to allow for reuse of the data stored in the hot buffer. On subsequent requests, data stored in the hot buffer may be sent to a requesting device without re-retrieving the data from memory.