S.O INCH
SEALED
PROTECTIVE
JACKET
INDEX HOLE
OXIDE COATED
MYLAR DISK
SPINDLE
ACCESS HOLE
LINER
HEAD
APERTURE
WRITE PROTECT NOTCH
FIGURE 3-5
RECO R D ING MEDIA
D ISKETTE HANDLING AND STORAG E
W hen th e s l o t i s c o v ered w i t h a n o p t i c a l l y
o paque, self-adhesive tab, the diskette is wri t e
enabled. When the tab is removed, the diskette
is write protected.
and to enhance the service life of the diskette,
the following handling procedure should be
observed.
1 . Ret ur n t h e d i s k e tt e t o t h e p r o t e cti v e
jacket when not in use.
2 . A v oi d e x p o sing t h e d i s k e t t e t o a n y
magnetizing force in excess of 50
oersted.
It is important the diskette be handled and
stored correctly so the integrity of the recorded
d ata i s m a i n t a i n ed. A d a m a ged or c o n t a m i -
nated diskette can impair or pr event recovery
o f da ta , a n d c a n r e s u l t i n d a m a g e t o t h e
Read/Write heads.
Figure 3 - 5 c o n t a i n s a n i l l u s t r a t i o n o f t h e
p hysical c o n f i g u r a t io n o f
t h e d i s k e t t e . T h e
7 .88-inch d i s k e tt e i s o x i d e -coated, f l e x i b l e
mylar. It i s e n c losed in a n e i g h t - i nch square
protective jacket. In additi on, openings for the
drive hub and diskette index hole are provided,
F igure 3-6 provides some helpful h i n t s on t h e
care and handling of the drive and diskettes,
In addit i on, t o e n sure t r o u ble-free operation
NOTE
The 50-oersted level magnetiz-
ing force is reached approxi-
mately
t h r e e i n c h e s f r o m a
typical source,
e.g.,
motors, gen-
erators,
or transformers.
3. To avoid warping the diskette, do not
s tore it in direct sunlight ,
4. Do not u se a lead pencil or a b al l p o int
pen to write on the label. Use a felt
t ipped pen, an d m a r k l i g h t l y o n t h e
label.
3-17
