<s>
The	O
Intellec	B-Device
computers	O
were	O
a	O
series	O
of	O
early	B-Device
microcomputers	I-Device
Intel	O
produced	O
in	O
the	O
1970s	O
as	O
a	O
development	O
platform	O
for	O
their	O
processors	O
.	O
</s>
<s>
The	O
Intellec	B-Device
computers	O
were	O
among	O
the	O
first	O
microcomputers	B-Architecture
ever	O
sold	O
,	O
predating	O
the	O
Altair	B-Architecture
8800	I-Architecture
by	O
at	O
least	O
two	O
years	O
.	O
</s>
<s>
The	O
first	O
series	O
of	O
Intellecs	B-Device
included	O
the	O
Intellec	B-Device
4	O
for	O
the	O
4004	B-General_Concept
,	O
the	O
Intellec	B-Device
4	O
Mod	O
40	O
for	O
the	O
4040	B-General_Concept
,	O
the	O
Intellec	B-Device
8	O
for	O
the	O
8008	B-General_Concept
,	O
and	O
the	O
Intellec	B-Device
8	O
Mod	O
80	O
for	O
the	O
8080	B-General_Concept
.	O
</s>
<s>
The	O
Intellec	B-Device
4	O
and	O
8	O
were	O
introduced	O
at	O
the	O
June	O
1973	O
National	O
Computer	O
Conference	O
in	O
the	O
New	O
York	O
Coliseum	O
.	O
</s>
<s>
The	O
Intellec	B-Device
computers	O
were	O
sold	O
not	O
to	O
the	O
general	O
public	O
,	O
only	O
to	O
developers	O
,	O
and	O
a	O
very	O
limited	O
number	O
were	O
built	O
.	O
</s>
<s>
The	O
Intellec	B-Device
8	O
retailed	O
for	O
$	O
2,395	O
.	O
</s>
<s>
The	O
Intellecs	B-Device
have	O
resident	B-Application
monitors	I-Application
stored	O
in	O
ROMs	O
.	O
</s>
<s>
Additionally	O
,	O
a	O
PL/M	B-Language
compiler	O
,	O
cross-assembler	O
and	O
simulator	O
were	O
available	O
,	O
which	O
allowed	O
writing	O
programs	O
in	O
a	O
higher-level	O
language	O
than	O
assembly	O
.	O
</s>
<s>
The	O
Intellec	B-Device
8	O
supported	O
a	O
Teletype	O
operating	O
at	O
110	O
baud	O
,	O
a	O
high	O
speed	O
punched	O
paper	O
tape	O
reader	O
and	O
a	O
CRT	B-Device
terminal	B-General_Concept
at	O
1200	O
baud	O
.	O
</s>
<s>
The	O
Intellec	B-Device
8	O
is	O
able	O
to	O
address	O
up	O
to	O
16K	O
of	O
memory	O
and	O
came	O
with	O
5K	O
pre-installed	O
.	O
</s>
<s>
The	O
Intellec	B-Device
4	O
came	O
with	O
1K	O
of	O
PROM	O
and	O
4k	O
of	O
RAM	O
for	O
instruction	O
memory	O
,	O
as	O
well	O
as	O
320	O
4-bit	O
words	O
of	O
data	O
memory	O
,	O
expandable	O
to	O
2560	O
words	O
.	O
</s>
<s>
The	O
Intellec	B-Device
8	O
ran	O
with	O
a	O
two-phase	O
clock	O
of	O
800kHz	O
,	O
resulting	O
in	O
an	O
instruction	O
cycle	O
time	O
of	O
12.5us	O
.	O
</s>
<s>
The	O
Intellec	B-Device
4	O
ran	O
at	O
a	O
slower	O
clock	O
rate	O
of	O
750kHz	O
,	O
but	O
had	O
a	O
faster	O
instruction	O
cycle	O
time	O
of	O
10.8us	O
.	O
</s>
<s>
Both	O
systems	O
were	O
available	O
in	O
"	O
Bare	O
Bones	O
"	O
editions	O
,	O
which	O
omitted	O
the	O
front	B-Device
panel	I-Device
,	O
power	O
supply	O
,	O
and	O
completed	O
chassis	O
;	O
instead	O
,	O
it	O
is	O
designed	O
to	O
mount	O
into	O
a	O
rack	O
.	O
</s>
<s>
Intel	O
did	O
not	O
market	O
the	O
Intellec	B-Device
as	O
a	O
general-purpose	O
microcomputer	B-Architecture
,	O
but	O
rather	O
as	O
a	O
development	O
system	O
.	O
</s>
<s>
As	O
the	O
first	O
microprocessors	O
were	O
intended	O
to	O
run	O
embedded	B-Architecture
systems	I-Architecture
such	O
as	O
in	O
calculators	B-Application
,	O
cash	O
registers	O
,	O
scientific	O
instrumentation	B-Application
,	O
computer	B-General_Concept
terminals	I-General_Concept
,	O
printers	O
,	O
plotters	B-Operating_System
,	O
industrial	O
robots	O
,	O
synthesizers	O
,	O
game	O
consoles	O
,	O
and	O
so	O
on	O
,	O
the	O
Intellec	B-Device
was	O
used	O
for	O
programming	O
programmable	O
memory	O
chips	O
used	O
by	O
embedded	B-Architecture
systems	I-Architecture
,	O
e.g.	O
</s>
<s>
the	O
2048-bit	O
(	O
256-byte	O
)	O
Intel	O
1602A	O
programmable	B-General_Concept
read-only	I-General_Concept
memory	I-General_Concept
(	O
PROM	O
)	O
or	O
erasable	O
1702A	O
EPROM	B-General_Concept
chips	O
which	O
were	O
plugged	O
into	O
a	O
ZIF	B-General_Concept
socket	I-General_Concept
on	O
the	O
Intellec-8	O
'	O
s	O
front	B-Device
panel	I-Device
.	O
</s>
<s>
The	O
chip-programming	O
socket	O
is	O
the	O
green	O
device	O
in	O
the	O
lower	O
right	O
corner	O
of	O
the	O
Intellec	B-Device
's	O
front	B-Device
panel	I-Device
.	O
</s>
<s>
Intel	O
also	O
marketed	O
the	O
Intellec	B-Device
microcomputer	B-Architecture
development	O
system	O
as	O
a	O
system	O
for	O
developing	O
other	O
OEM	O
microcomputers	B-Architecture
.	O
</s>
