Radio Shack TRS-80 Hardware Manual page 26

Operating Your
Computer
as
a
Hard
Disk System
Start
up
or reset the
computer
with the Boot
L>ishc:ts? tn
Floppy
Drive
When
TRSDOS Ready
appears,
type
tti is
Minim
and;
DIR
:4
rgNTFffl
TRSDOS
shows
a
directory
of
the
files
coniained
on
your
Bool
Diskette
(assuming
ihal
your
lirst
Hoppy
drive
is
Logical
Drm
4,
as determined
in
your
configuration). Type:
DIR
:0
fJENlflij
TRSDOS
shows a
directory of the
hand disk systems
Drive
(assuming
thai your
primary hard
disk
is
assigned
as
logical
Drive
0).
This
is
whas happens;
1-
When
you
first
turn
on
or
reset the
computer,
it
knows
only
about Floppy
Drive
G.
It
goes
to
Floppy
Drive
ffl
to
find
an
operating system.
2. In
Floppy
Drive
0.
it
finds
your Boot
Diskette This diskette
contained
a logical drive
configuration
file.
The
configuration
file
leils trie
computer
the
number
ol
hard
disk drives
and
floppy drives
on
your system.
It
also
tells
ii
the
location
of
the logical drives
and
the
amount
of
storage
space each
logical drive contains.
a.
The computer
searches the primary hand disk
drive
tor
an
opening
system.
If
the
hard
disk
is
turned
off
or discon-
nected,
an
II
appears
in
the upper
right
cornet
of
Llie
screen.
If
the hard
disk
is
on
but not
yet
ready
to
perform
an
operation, a blinking H appears.
When
the drive
is
ready, Ihe
tt
disappears
and
I
he system begins using
the
hard
disk.
4.
There
the
system
finds
TRSDOS.
displays the
TR
S
DO
S
Reacts
prompt,
arid
executes your
commands.
With
your system
configured
as a hard
disk system, you
can
now
remove
your Boot
Diskette.
The
computer
con-
tinues
lo
use
the hard
disk
system's
drive
numbers
until
you
turn
it
off
or reset
it.
Vbu can
use
ihe
DEVICE
com-
mand
to display
the
configuration
of
your system. (See
Model
4Mp
Disk
System
Owners
Manual.)
?Q