DOS and Macintosh preformatted computer storage media

Dynamic magnetic information storage or retrieval – Head – Core

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Details

395500, 360 48, G11B 509, G06F 1514, G06F 1540

Patent

active

056089058

ABSTRACT:
An initialized (formatted) 1.44 MB floppy disk which is ready for receiving and storing files under the MACINTOSH.TM. operating system and the DOS operating system. Alternatively, the invention may be applied to any computer storage medium which may be written to and read by the MACINTOSH.TM. and DOS operating systems as if it were a disk. The storage medium is not bootable for either operating system. It contains a specially configured DOS BIOS parameter block in the first physical block, a DOS file allocation table in the second physical block, a MACINTOSH.TM. master directory block in the third physical block, and, by containing only zeros, an empty DOS Root Directory and an empty MACINTOSH.TM. Volume Bitmap in the fourth physical block.

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patent: 5437018 (1995-07-01), Kobayashi et al.
patent: 5452454 (1995-09-01), Basu
patent: 5485321 (1996-01-01), Leonhardt et al.
Grunin, Lori, "NEC CD-ROM Drive Works with PCs, PS2s, Macs", vol. 8, No. 4, p. 38. Feb. 28 1989.
Norr, Henry, "New Utilities Ease Data Sharing Between Macs, PCs: from Dayna, Data Viz, Software Architects", MacWEEK, vol. 4, No. 40, p. 4(1) Nov. 1990.
"Poloroid's Disks Already Formatted", Computing Canada, vol. 16, No. 18, p. 79(1) Sep. 1996.

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