Specifications
Easy to
Operate
Fast
and Expandable
32K or
64K of RAM
Upper and
Lower
Case
Direst
Memory
Access
Built-in
8"
Diskette
32K, l-Disk
TRS-80
Model II
System
$34S0oo
64K, l-Disk TRS-80
Model II
System
*3899oo
Anyone
accustomed
to a
typewriter
will feel
light
at home
at the Model
II
keyboard.
We kept
it simple,
with
as few
"special"
keys
as necessary
to do the
job.
A
calculator-style
keypad
is
provided
for
Iasler,
mole
acculate numenc
ently
Model II's
easy-to-read
12-inch,
high-
resolution
video
screen
displays
24
lines
of 80 upper
and
lower case
chatacterc
per
line.
(Double-width
characters
-40
per
lirle-can
also
be selected
by
your
program).
Inside
Model
II
Internal
memory
(depending
on thc
sys-
tem
you
choose)
will
store
32,000 or
64,000
characters
of information.
Tbe
re-
quued
"Operating
System"
softwate
oc-
cupres
about
27,000
characters,
with
the
balance
available
for user
programs
and
data. The
built-in
B-inch
disk d
ve wll
store
an additional
416,000
characters.
(That
s
equal to
about 20
straight
hours
of typtng
at 70
words
per
minutel)
The
three
additional
disk drives
you
can add,
each
store
another
486,000
characters,
bringing
Model II's
total
memory
capac,
ity to
about
2 million
characters.
Experienced
data
processing
people
will
lecognize
the terms
"dtect
memoty
ac,
cess"
and "vectored
interrupts,"
which
to the
average
business user
translate
as
faste!
operation
and more
versatility.
The
fast
Z-80A
microprocessor
-the
heart of
Model
Il-operates
at a speed
of 4 MHz
-over
twlce the
speed
of TRS-80
Model
L
Separate
keyboard
and video
pro,
cessors
also
add to
Model II's
speed.
User-Oriented
Each
time
you
turn
on Model
II. it au-
tomatically
"self-tests"
to
assure
proper
operation.
Features
in
Model II's
pro-
gramming
language
allow
an operator
to
tuin the
system
on,
and be ready
to run
payroll,
posting.
b ling
or otherlobs
im.
mediately
without
any
action other
than
ente
ng the
current
date.
Model
u is
"forgiving"
of
opelator
errors,
too. Ifyou
try to
load
a
program
when
there's lro
disk in
the
drive,
Model II won't
hang
up
li]{e many
other computers.
And, when
you give
Model
II a command
such as to
"k
l" a file,
lt
always responds
wlth
posi-
tive feedback.
. . teltitg
you
exactly what
it did
(or
did not
do)
in response
to
your
command.
Vvhen
an
Operating
System
error occurs,
a
message
appears
on the
video
scieen
with
a numbered
error
code.
And no
flip
charts
or manual
are
required
if
you
don't
temember
the
error
codes.
Just type "Error
32"
(or
wharever
the nuniber)
alld
Model
II will
respond
with
a detailed
explanation.
Model
II
is Expandable
Like TRS-80
Model
I, Model
II systems
aie
expandable
to
meet changing-or
growing-
needs. Three
expansion
con-
nectors
(one
parallel
and two serial)
allow
you
to connect
printers,
plotters,
digitizers,
telephone
communications
and
many other
external devices.
Lnter-
nal
plug-in
card slots allow
for more
ex-
pansion
and
enhancement
options in
the
future
. . . several
are in the
planning
stages
now.
Ii
your
application
iequires
more
disk
storage,
you
can
plug
in
a Model
II Disk
Expansion
Unit with
one, two
or three
additional
drives.
If
you
seled an Expan-
sion
Unii with one
or two drives,
you
can
add the others
later.
Of course. a
32K
system
(32,000
charactels
of memory
stoiage)
can be
expanded to
the full64K
at any time.
Model
11 comes
with
a disk containing
our
expanded
Level
Itr BASIC
program-
ming
language
and
our all-new
command-compatible "TRSDOS"
operat-
ing system.
This "system
software"
will
be upgraded
periodical.ly
with
new fea-
tures,
and we
plan
to offer additional
programming
languages
for
Model II in
the
future.
Applications
software
for
General
Ledger, Inventory
Control,
Re-
ceivables,
Payroll
and Mailing
List is
available
now
and more
will
be avai.lable
soon.
32K,l-Di3k
Model II.26-4001
. . .....3450.00
64K, l-Disk
Model II.
26-4002 . . .
. . . 3899.00
32K
Memory Add-on
..............
449.00
19