Autonomous fault diagnosis for disk drive using an internal micr

Details Autonomous fault diagnosis for disk drive using an internal micr Autonomous fault diagnosis for disk drive using an internal micr

1978-12-14

1981-05-19

Nusbaum, Mark E.

Boots, shoes, and leggings

360 31, 371 21, G06F 1100, G06F 1304

Patent

active

042689058

ABSTRACT:
A disk drive control system incorporating an internal microprocessor and internal testing capabilities. The disk drive control system is capable of simulating drive operation without carriage motion so as to test substantially all functional subsystems of the disk drive. The test technique comprises the exercising of subsystems and a diagnosis of operations according to a hierarchy of interdependence of subsystem operation.

REFERENCES:
patent: 3953889 (1976-04-01), Scieszinski et al.
patent: 4044244 (1977-08-01), Foreman et al.
patent: 4053751 (1977-10-01), Ault
patent: 4096579 (1978-06-01), Black et al.
patent: 4101969 (1978-07-01), Lawson et al.
patent: 4103338 (1978-07-01), Cizmic et al.

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