•
•
•
Microdrives
Microdrives provide the main permanent storage
on
the
QL.
Each
M,crodflve cartridge
has a capacity
of
at
least
100
Kbytes.
Available
free
memory space
IS
allocated
by
Qdos
as
Microdrive buffers when necessary
to
Improve performance.
Each blank cartridge must be formatted before use and can hold up
to
255 sectors
of
512
bytes per
sector.
Qdos keeps a directory
of
files
stored
on
the cartridge.
Each
Microdrive
file
is
identified using a standard SuperBASIC
Me
or device name
A cartridge can
be
write-protected by removing the
small
lug
on
the fight hand
side.
On
receiving new blank QL Microdrive cartridges, format them a
few
times
to
condition
the
tape.
Physically each Microdrive cartridge contains a 200 Inch loop
of
high quality
Video
tape general care
which
is
moved
at
28 inches per second. The tape completes one circuit every
lV,
seconds.
NEVER touch the tape with your fingers or Insert anything into the cartridge
NEVER turn the computer on or off with cartridges
In
place.
ALWAYS
store cartridges
in
their sleeves when not
in
use.
ALWAYS
insert or remove cartridges
from
the Mlcrodrive slowly and carefully.
ALWAYS
ensure the cartridge
is
firmly installed before starting
the
Microdrive.
NEVER move the QL with cartridges Installed - even
if
not
in
operation.
NEVER touch the cartridge while the Microdrive
is
in
operation
DO
Nor
repeatedly
insert
and
remove
the
cartfldge
Without
running
the
Microdflve.
If
a tape loop appears
at
either
of
the
two
places shown
In
figure 1 then gently ease tape loops
it
back into the cartridge. Use a non-fibrous instrument for
this,
e.g.
the side
of
a pen
or pencil. NEVER touch the tape with your fingers for this or any other reason.
.----------tape
loop
-------II--
label
a Microdrive cartridge
label
----------'
CONTINUED
FOR SERVICE MANUALS
CONTACT:
MAURITRON
TECHNICAL
SERVICES
WWW-mauntron.co,uk
TEL: 01844 - 351694
FAX: 01844
- 352554
12/84
31
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