1990-09-21
1993-04-06
Atkinson, Charles E.
Excavating
371 251, 371 71, G01R 3128, G06F 1100
Patent
active
052009602
ABSTRACT:
A method of diagnosing the transfer of data between an external serial tape and a disk memory in an electronic image processing apparatus having a controller for directing the operation of image processing means, the controller including a plurality of processors, a system memory, the disk memory, and an external storage device port for communicating with the tape for serially storing data, comprising the steps of creating a plurality of blocks of data for transfer to the tape via the external storage device port transferring said plurality of blocks of data via the external storage device port to the tape, recreating said plurality of blocks of data in a plurality of verification buffers, reading the plurality of blocks of data from the tape via the external storage device port to a plurality of tape buffers, and comparing the plurality of blocks of data from the tape in the tape buffers with the data in the plurality of verification buffers in a parallel manner.
REFERENCES:
patent: 2871289 (1959-01-01), Cox et al.
patent: 3439343 (1969-04-01), Stahle
patent: 3751649 (1973-08-01), Hart, Jr.
patent: 3794818 (1974-02-01), Kennedy
patent: 3940601 (1976-02-01), Henry et al.
patent: 4266294 (1981-05-01), Daughton et al.
patent: 4630269 (1990-12-01), Gershenson et al.
patent: 4750181 (1988-06-01), McDonald et al.
patent: 4841525 (1989-06-01), Lieske et al.
patent: 4860293 (1989-08-01), Engel et al.
patent: 4876685 (1989-10-01), Rich
Atkinson Charles E.
Chapuran Ronald F.
Xerox Corporation
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