1991-10-03
1994-10-18
Atkinson, Charles E.
Excavating
371 161, 36455101, G01R 3128, G06F 1100
Patent
active
053575199
ABSTRACT:
A diagnostic apparatus for testing devices such as computer systems, and computer system components such as disk drives or printers. The device comprises a main unit, the main unit having a central processing unit for executing instructions, issuing commands, and receiving data from a first device. The apparatus also has a first peripheral unit coupled to the main unit, the first peripheral unit having ports for interfacing with the first device, the first peripheral unit being interchangeable with a second peripheral unit for interfacing with a second device. The apparatus also comprises a first non-volatile memory unit coupled to the main unit, the first non-volatile memory unit comprising a first set of tests for the first device, the first non-volatile memory unit being interchangeable with a second non-volatile memory unit comprising a second set of tests for a second device. These interchangeable parts are provided so that the user may test various types of hardware. The apparatus further comprises software means for providing termination on a bus and methods for simulating devices on a bus for remote entry into diagnostic programs.
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Product brochure on the Tech 1 modular diagnostic system (undated).
Product brochure on the Tech 1 brand "Scanner Cartridge," GM 81-91 ECM, part No. TK05020D (undated).
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Martin Stephen R.
Mooney, Jr. Randall O.
Apple Computer Inc.
Atkinson Charles E.
Snyder Glenn
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