Radio Shack TRS-80 model III Owner's Manual page 17
Mini-disk operation,
trsdos disk operating system,
disk basic programming language
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Also See for TRS-80 model III:
- Operation and reference manual (274 pages) ,
- Service manual (135 pages) ,
- Operation manual (30 pages)
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OPERATION
If
you
are
using
a single-drive
system,
trsdos
will
prompt you
to
swap
source
and
destination diskettes several times
during
the
formatting/backup
process.
After
a
single-drive
backup, trsdos
will
display
the
message:
INSERT SYSTEM DISKETTE
CENTER]
Be
sure
you have
a
trsdos
diskette
in
Drive
0,
then press
[ENTER)
.
The
duplication process
is
now
complete.
We
suggest
you
save
the original
trsdos and
use
the
duplicate
as
your working
copy.
If
anything
happens
to
the
working
copy,
you
can
make
another
one from
the
original.
Making
a
Data
Diskette
(FORMAT)
This section applies
to
multi-drive
systems
only.
Drive
must always
contain a
trsdos
diskette,
so
the
Computer
can have
access
to
the
system programs
stored
there.
Much
of
the storage
capacity of
this
diskette
is
taken
up by
the
system programs.
However,
the
other drives
in
the
system
may
contain
tl
data"
diskettes
which
have no system programs.
All
of
the storage
capacity of
such
diskettes
is
available for
your programs and
data.
The
format
utility
program
takes
a diskette
and
initializes
or
"formats"
it.
If
the diskette
was
previously formatted,
all
prior
information can be
lost.
The
resultant diskette
contains
no system
files
and
may
only be used
in
Drive
1,
2 or
3.
1
In
the
trsdos
ready
mode,
type:
FORMAT
CENTER)
2.
trsdos
will
start
the
formatter
program and
ask
you
a series
of questions:
FORMAT WHICH DRIVE?
Insert a
blank
diskette into
Drive
1
.
Type:
i
(ENTER)
DISKETTE NAME?
This
name
will
serve
as
an
internal label for the diskette.
Type
in
any
appropriate
name
of
one
to
eight
letters
and numbers,
starting
with
a
letter.
Press
CENTER)
at
the
end
of
the
name.
MASTER PASSWORD?
The
password
may
be
from one
to
eight
letters
and numbers,
starting
with
a
letter.
Press
CENTER)
at
the
end
of
the
password.
Use
of
the
password
allows
backup,
prot, and
purge
access
to
all
non-
system
files.
Unless
special protection
is
needed,
we
suggest
you
use
the
password password. Whatever password you
select,
don't
forget
it!
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