G - Physics – 06 – F
Patent
G - Physics
06
F
354/225, 352/19.
G06F 11/00 (2006.01) G06F 11/267 (2006.01)
Patent
CA 1106973
ABSTRACT OF THE DISCLOSURE An exerciser is provided for use with a disk drive of the type having a microprocessor, a first memory for storing microcoded control programs for the drive, a second memory for storing instructions for the bead carriage servo control apparatus, an address bus for supplying address signals from the microprocessor to the first and second memories, and a data bus for supplying program instructions from the first memory to the microprocessor, and for supply- ing instructions from the second memory to the servo control apparatus. The excerciser developes track address signals that are supplied onto the data bus for application to the microprocessor. A third memory is included in the excerciser for storing diagnostic programs. A decoder is also included for decoding an address signal on the address bus in order to generate a new address signal for the third memory. Program instructions accessed from the third memory are supplied onto the data bus for application to the microprocessor.
295604
Cizmic Stipe
Halfhill Martin O.
Jacques James O.
Mahon Douglas K.
Shenfield Leonard R.
Sim & Mcburney
Xerox Corporation
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