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Sinclair QL User Manual

Sinclair QL
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FORMAT
PROCEDURE
BACKUP
PROCEDURE
12
Formatting a cartridge will result
in
overwriting any data that
was
previously stored on
the
cartridge. This data cannot be recovered
so
ensure that
you
only format blank
cartridges or cartridges that
have
no usetul information
on
them.
First
decide
on
a name fm the cartridge, using not more than
ten
characters.
With
the
OL switched on and displaying
the
flashing
cursor.
place the cartridge
to
be formatted
In
Microdrive
1.
Let
us
assume that the cartridge name
is
to be
tJata'.
Then type
FORMAT
mdv1
data
Do
nof
confuse the underscore symbol
(_)
with
the
minus sign
(-),
since they are on
the same
key.
The underscore symbol
is
the
upper one and
so
SHIFT must be held
down while the
key
IS
pressed.
Press ENTER and the
left
hand M,crodrive light
will
glow for about thirty seconds. The
OL
will
output a message on
the
screen indicating how much space
is
available on
that cartridge The FORMAT command
is
described
in
full
in
the
Keywords section.
It
is
good practice
to
format a new cartridge
several
times.
This
will
help the tape
to
run
smoothly and may result
in
a greater capacity.
The cartridge could equally
well
have
been formatted
in
Microdrive 2 by substituting
mdv2_
for
mdv1_.
A backup
is
made by copying
all
the
files
contained on
the
cartridge
to
be backed up
onto a blank cartridge. Preferably
the
blank cartridge
will
be newly formatted and named
to
reflect that
it
is
a backup.
Choose a blank cartridge or a cartridge that holds no
useful
information and place
it
in
Microdrive
1.
Decide
on
a name for
the
cartridge, for example,
if
the
name of the
cartridge
to
be backed up
is
'QLdata'
then
'QLdata-bak'
would be a good name
for
the backup cartridge. Then type:
FORMAT mdv1
data
bak
followed by ENTER. The
left
hand Microdrive light
Will
glow for about thirty seconds.
Place the cartridge
to
be backed
up
into Microdrive 2 and type
OIR
mdv2
this
will
list
all
the
files
contained on this cartridge.
For
each
file
listed type:
COpy
mdv2 filename
TO
mdv1
li/ename
substituting
the
relevant
file
names where marked.
This
command
will
copy each specified
file from Mlcrodrive 2
to
Microdrive
1.
The
speed
of
this operation depends on the
sizes
of
the
files
being copied: the operation could
take
some
time.
Repeat the
COpy
command for each
of
the listed
files.
When complete, the backup
cartridge (the one
in
Microdrive
2)
should be marked with the data and the name of
the cartridge for which
it
is
a backup and then put
In
a
safe
place.
Normally for each cartridge that
you
work with and
wh',ch
contains data
you
may
have
one,
two,
or more backup cartridges depending on how important the data
is.
If
you
use this
system
then always backup onto
the
oldest backup cartridge
in
the
set.
12/84

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Sinclair QL Specifications

General IconGeneral
ProcessorMotorola 68008
Clock Speed7.5 MHz
RAM128 KB (expandable to 640 KB)
ROM48 KB
Operating SystemSinclair QDOS
Release Year1984
StorageMicrodrive tape loop
Graphics256x256 pixels, 8 colors
PortsRS-232, ROM cartridge
SoundBeeper (internal speaker)

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