Systems and methods for FDC error detection and prevention

Details Systems and methods for FDC error detection and prevention Systems and methods for FDC error detection and prevention

1992-07-10

1995-01-03

Beausoliel, Jr., Robert W.

Excavating

371 62, 371 32, 371 33, 395275, G06F 1134, H04L 118

Patent

active

053794141

ABSTRACT:
A system and method which provides a complete software implementation of a device driver that is capable of detecting an undetectable data corruption problem without hardware redesign and/or internal modification to an existing FDC. The approach taken consists of software DMA shadowing and use of a software decoding network which allows the implementation of the invention to require a small amount of memory and only degrade the performance of the computer system a minimal amount when floppy diskette write operations occur.

REFERENCES:
patent: 3908099 (1975-09-01), Borbas et al.
patent: 4942606 (1990-07-01), Kaiser et al.
patent: 4996690 (1991-02-01), George et al.
patent: 5093910 (1992-03-01), Tulpule et al.
patent: 5212795 (1993-05-01), Hendry
patent: 5233692 (1993-08-01), Gajjard et al.
patent: 5237567 (1993-08-01), Nay et al.
NEC Electronics Inc., "IBM-NEC Meeting for uPD765A/uPD72065 Problem" (U.S.A., May 1987).
Intel Corporation, Letter to customers from Jim Sleezer, Product Manager, regarding FDC error and possible solutions (U.S.A., May 2, 1988).
Adams, Phillip M., Nova University, Department of Computer Science, "Hardware-Induced Data Virus," Technical Report TR-881101-1 (U.S.A., Nov. 14, 1988).
Advanced Military Computing, "Hardware Virus Threatens Databases," vol. 4, No. 25, pp. 1 & 8 (U.S.A., Dec. 5, 1988).
Intel Corporation, "8237A/8237A-4/8237A-5 High Performance Programmable DMA Controller" (U.S.A., date unknown).
Intel Corporation, "8272A Single/Double Density Floppy Disk Controller" (U.S.A., Date unknown).

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