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1992-01-11
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5KB
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159 lines
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A COMPARATIVE CHART OF DISKETTE TYPES
IN SIZES 3-1/2, 5-1/4, AND 8 INCH
Copyright 1992
by Daniel K. Stoicheff
FREEWARE FREEWARE
Note: You are encouraged to make copies &
disseminate freely, to upload to
BBS, provided file remains intact
and unaltered.
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This simple listing identifies thirty-four (34) distinct
varieties of diskettes in the three available sizes. Not all
manufacturers support every diskette type. Eight inch diskettes
are all but extinct, save for some mainframe users or CP/M diehards.
The list contains a brief discription of each diskette type followed
by manufacturers' codes.
The codes are:
3 = 3M
B = BASF
I = IBM
K = KAO
M = MAXELL
S = SONY
V = VERBATIM
ALL = All manufacturers shown
3M is to be commended for their leadership role in the development
of magnetic media. They have continued to support a full line of
diskette types, some of which have long ago fallen from favor.
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
3-1/2 inch diskettes:
DOUBLE SIDE, DOUBLE DENSITY, 1MB ALL
DOUBLE SIDE, HI DENSITY, 2MB ALL
DOUBLE SIDE, EXTRA DENSITY, 4MB 3, M, S, V
CPT COMPATIBLE 3 (NO HUB RING)
LANIER COMPATIBLE 3
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
5-1/4 inch diskettes:
DOUBLE SIDE, HI DENSITY, 80 TPI ALL
SINGLE SIDE, DOUBLE DENSITY,
40 TRACKS, SOFT-SECTORED I
DOUBLE SIDE, DOUBLE DENSITY,
40 TRACKS, SOFT-SECTORED ALL
DOUBLE SIDE, DOUBLE DENSITY,
40 TRACKS, 10 HARD SECTORS 3, V
DOUBLE SIDE, DOUBLE DENSITY,
40 TRACKS, 16 HARD SECTORS 3
DOUBLE SIDE, QUAD DENSITY,
SOFT-SECTORED 3 (80 TRACKS)
M (96 TRACKS)
V (77/80 TRACKS)
DOUBLE SIDE, QUAD DENSITY
96 TRACKS, 10 HARD SECTORS 3
DOUBLE SIDE, QUAD DENSITY
16 HARD SECTORS 3 (96 TRACKS)
V (77/80 TRACKS)
SINGLE SIDE, QUAD DENSITY
77/80 TRACKS 3, V
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
8 inch diskettes
SINGLE SIDE, SINGLE DENSITY
128 BYTES, XEROX V (WITH WRITE PROTECT)
SINGLE SIDE, SINGLE DENSITY
128 BYTES, IBM I, M, V
DOUBLE SIDE, DOUBLE DENSITY
UNFORMATTED 3, V
SINGLE SIDE, SINGLE DENSITY
32-HOLE HARD SECTOR V
SINGLE SIDE, UNINITIALIZED 3 (DOUBLE DENSITY)
V (DOUBLE DENSITY)
SINGLE SIDE, SINGLE DENSITY
VYDEC/MEMOREX M, V
SINGLE SIDE, DOUBLE DENSITY
DATAPOINT COMPATIBLE,
SOFT-SECTORED 3 (RX02 FORMAT)
DOUBLE SIDE, INITIALIZED I (15 SECTORS, DD)
M (26 SECTORS, DD)
DOUBLE SIDE, DOUBLE DENSITY 3 (8 OR 15 SECTORS)
I (8 OR 15 SECTORS)
M (26 SECTORS)
DOUBLE SIDE, DOUBLE DENSITY
26 SECTORS, 256 BYTES/SECTOR 3, I, M
DOUBLE SIDE, DOUBLE DENSITY
8 SOFT SECTORS V
DOUBLE SIDE, DOUBLE DENSITY
32 HARD SECTORS 3
SINGLE SIDE, DOUBLE DENSITY 3
32 HARD SECTORS
SINGLE SIDE, SINGLE DENSITY
512 BYTES/SECTOR V, M
I (FORMATTED)
DOUBLE SIDE, DOUBLE DENSITY
512 BYTES/SECTOR 3, M
I (FORMATTED
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^