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SWIT
IMDauhterS/s
FE
1ATURES
5-
and
8-inch* disk drives
Single-
&
double-density
Any
size
and
density
in
any mix
Read Model
I,
II*
and
III
disks
5-
or
8-inch*
system
disk
Single
&
double
sided disk drives
DOS+
3.3.9
included,
with Disk
BASIC.
6
month
warranty
Up
to 3.75
megabytes
online
Easy
installation
- plug-in
&
run
Analog phase
lock
loop data
separation
Precision write
precompensation
Regulated
power
supply
Guaranteed
operation
at
4MHz
All
contacts gold plated
Solder
masked
&
silk
screened
Runs
under
DOS+
3.3.9,
TRSDOS
2.3,
NEWDOS
2.1,
NEWDOS/80
1.0,
LDOS,
NEWDOS/80
2.0
r
and
ULTRADOS
Reads
40-
and
35-track disks
on
80-track drives
FD1791
controller
+
your
FD1771
Fits
Model
I
expansion
interfaces
Fits
LNW
expansion
interfaces
Track
configurations
to
80-tracks
5
inch disk storage increased
to:
161,280 bytes - 35-track
SS/DD
322,560 bytes
-
35-track
DS/DD
184,320 bytes
-
40-track
SS/DD
368,640 bytes - 40-track
DS/DD
368,640 bytes
-
80-track
SS/DD
737,280 bytes
-
80-track
DS/DD
8
inch disk storage increased
to:
591,360 bytes
-
77
-track
SS/DD
1,182,720 bytes
- 77-track
DS/DD
SS: single-sided
DS:
double-sided
SD:
single-density
DD:
double-density
COMPLETE
-
The LNDoubler
5/8,
switches
your
Model
I
or
LNW-80
into
the
most
versatile
computer you
can own.
The
LNDoubler's
switch
allows
you
to
boot
from
5-
or
8-inch
system
disks,
and
it's
accessible
from
outside the
interface.
The LNDoubler
5/8
comes
with
a
double-density
disk
operating
system
(DOS+
3.3.9),
complete with
BASIC
and
utility
programs
.
.
.
ready
to
run your
software
NOW!
VT?R<JATTTT?
WTio+Vior'unu
want
single-sided,
double-sided,
single-
or
double-density,
5-
or
8-inch operation,
complete
versatility
is
here today!
Any
combination
of
5-
and
8-inch disk
storage
is
possible
with
the
LNDoubler
5/8.
Each
of
your present
40-track, single-sided
5-inch drives
will
store
up
to
184,320 bytes
(formatted
storage)
-
that's
an
80
%
increase
in
storage capacity
for
only
half
the
cost of just
one
disk
drive.
With
three 8-inch double-density,
double-sided
drives
your
Model
I
will
have
3.75
Megabytes
of online storage
-
that's
more
storage
than
a
Model
II
or
Model
III!
'$
ADVANCED
-
The LNDoubler
5/8
is
the
most
technically
advanced,
tested
and
reliable
double-density
board you can
buy.
The LNDoubler
5/8 has
more
features,
more
options
and more
software
support than
any
other
product
of
its
kind.
EASY
TO
INSTALL
-
The
LNDoubler
5/8
is
easy
to
install.
There
are
no
traces to
cut,
no
wiring
to do, just a
screwdriver
and
a
few
minutes
of
your time
is
all
that
is
required.
The
instructions are
fully
illustrated for
all
interfaces.
In
minutes you
will
be 'up-and-running',
and
enjoying
your
computer
as
never
before.
COMPARE
-
Compare
features,
compare
quality,
compare
value,
and
make
the
SWITCH
today!
Immediate
delivery
from
stock
-
at
your
dealer
NOW
for
only
$
199.95
without
DOS
$
219.95
with
DOS
DEALERS
-
You
too
can
^\^$%h~-
make
'the
Switch.
...
"'^^•'C."
(
\t
*&;
LNW
Research
Corn
2620
WALNUT
Tustin,
CA. 92680
(714)
641-8850
(714)
544-5744
-:\
;'.«'' .''
*8'*
drive operation requires special
cable,
8"
double-density
requires
3.55MHz
CPU
speed-up
modification or
LNW-80
4MHz
computer.
**"'
TRS-80
is
a
trademark
of
Tandy
Corporation.
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