Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
Patent
1990-07-20
1992-08-25
Fleming, Michael R.
Dynamic information storage or retrieval
Information location or remote operator actuated control
Selective addressing of storage medium
369 58, 364DIG1, 3642362, G11B 1512
Patent
active
051426269
ABSTRACT:
This invention relates to personal computers, and particularly to a personal computer having provision for identifying the type of direct access storage device associated with the computer and further identifying the storage capability of removable media used in the device. The apparatus disclosed uses certain ones of a plurality of signal communicating pathways extending between a storage device and a controller to distinguish between the absence of signals as indicating the presence of an older type drive and the presence of signals as indicating the presence of a newer type drive, the pattern of said signals further indicating the type of media inserted into the device with which the controller is communicating.
REFERENCES:
patent: 4773036 (1988-09-01), Berens et al.
patent: 4916557 (1990-04-01), Okamura
patent: 4928193 (1990-05-01), Agoglia
patent: 4928237 (1990-05-01), Bealkowski
IBM Technical Disclosure Bulletin, vol. 30, No. 4, Sep. 1987, pp. 1778-1782, "Implementation of the Enhanced Small Device . . . ".
IBM Technical Disclosure Bulletin, vol. 29, No. 6, Nov. 1986, p. 2618, "Determining the Type and Characteristics of A . . . ".
IBM Technical Disclosure Bulletin, vol. 30, No. 9, Feb. 1988, pp.49-52, "Automatic Configuration in a Multi-Adapter Environment".
Arnold Alan F.
Tai James
Wheeler Arthur R.
Fleming Michael R.
International Business Machines Corp.
Knoll C. H.
McConnell Daniel E.
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