<s>
Am2900	B-General_Concept
is	O
a	O
family	O
of	O
integrated	O
circuits	O
(	O
ICs	O
)	O
created	O
in	O
1975	O
by	O
Advanced	O
Micro	O
Devices	O
(	O
AMD	O
)	O
.	O
</s>
<s>
They	O
were	O
constructed	O
with	O
bipolar	O
devices	O
,	O
in	O
a	O
bit-slice	B-General_Concept
topology	O
,	O
and	O
were	O
designed	O
to	O
be	O
used	O
as	O
modular	O
components	O
each	O
representing	O
a	O
different	O
aspect	O
of	O
a	O
computer	O
control	B-General_Concept
unit	I-General_Concept
(	O
CCU	O
)	O
.	O
</s>
<s>
By	O
using	O
the	O
bit	B-General_Concept
slicing	I-General_Concept
technique	O
,	O
the	O
Am2900	B-General_Concept
family	O
was	O
able	O
to	O
implement	O
a	O
CCU	O
with	O
data	O
,	O
addresses	O
,	O
and	O
instructions	O
to	O
be	O
any	O
multiple	O
of	O
4bits	O
by	O
multiplying	O
the	O
number	O
of	O
ICs	O
.	O
</s>
<s>
The	O
Am2901	B-General_Concept
chip	O
was	O
the	O
arithmetic	B-General_Concept
logic	I-General_Concept
unit	I-General_Concept
(	O
ALU	B-General_Concept
)	O
,	O
and	O
the	O
"	O
core	O
"	O
of	O
the	O
series	O
.	O
</s>
<s>
In	O
the	O
Soviet	O
Union	O
and	O
later	O
Russia	O
the	O
Am2900	B-General_Concept
family	O
was	O
manufactured	O
as	O
the	O
1804	O
series	O
(	O
with	O
e.g.	O
</s>
<s>
the	O
Am2901	B-General_Concept
designated	O
as	O
KR1804VS1	O
/	O
)	O
which	O
was	O
known	O
to	O
be	O
in	O
production	O
in	O
2016	O
.	O
</s>
<s>
All	O
used	O
the	O
same	O
system	O
board	O
emulating	O
the	O
Motorola	B-Device
68010	I-Device
instruction	O
set	O
.	O
</s>
<s>
The	O
Itek	O
Advanced	B-Device
Technology	I-Device
Airborne	I-Device
Computer	I-Device
(	O
ATAC	O
)	O
used	O
on	O
the	O
Galileo	O
Attitude	O
and	O
Articulation	O
Control	O
Computer	O
System	O
and	O
some	O
Navy	O
aircraft	O
had	O
a	O
16-register	O
,	O
16-bit	O
word	O
width	O
assembled	O
from	O
4-bit-wide	O
2900	O
series	O
processors	O
.	O
</s>
<s>
Data	B-Device
General	I-Device
Nova	I-Device
4	O
,	O
which	O
obtained	O
16-bit	O
word	O
width	O
using	O
four	O
Am2901	B-General_Concept
ALUs	O
in	O
parallel	O
;	O
one	O
of	O
the	O
boards	O
had	O
15	O
Am2901	B-General_Concept
ALUs	O
on	O
it	O
.	O
</s>
<s>
Digital	O
Equipment	O
Corporation	O
(	O
DEC	O
)	O
PDP-11	B-Device
models	O
PDP-11/23	O
,	O
PDP-11/34	O
,	O
and	O
PDP-11/44	B-Device
floating-point	O
options	O
(	O
FPF11	O
,	O
FP11-A	O
and	O
FP11-F	O
,	O
respectively	O
)	O
.	O
</s>
<s>
The	O
DEC	O
VAX	O
11/730	O
,	O
which	O
used	O
eight	O
AM2901s	B-General_Concept
for	O
the	O
CPU	O
.	O
</s>
<s>
The	O
Xerox	O
Dandelion	O
,	O
the	O
machine	O
used	O
in	O
the	O
Xerox	B-Operating_System
Star	I-Operating_System
and	O
Xerox	O
1108	O
Lisp	B-Operating_System
machine	I-Operating_System
.	O
</s>
<s>
Several	O
models	O
of	O
the	O
GEC	B-Device
4000	I-Device
series	I-Device
minicomputers	O
:	O
4060	O
,	O
4150	O
,	O
4160	O
(	O
four	O
Am2901	B-General_Concept
each	O
,	O
16-bit	O
ALU	B-General_Concept
)	O
,	O
and	O
4090	O
and	O
all	O
418x	O
and	O
419x	O
systems	O
(	O
eighteen	O
Am2901	B-General_Concept
each	O
,	O
32-bit	O
integer	O
ALU	B-General_Concept
or	O
8-bit	O
exponent	O
,	O
64-bit	O
Double	O
Precision	O
floating	O
point	O
ALU	B-General_Concept
)	O
.	O
</s>
<s>
The	O
DEC	O
KS10	B-Device
PDP-10	B-Device
model	O
.	O
</s>
<s>
The	O
UCSD	B-Language
Pascal	I-Language
P-machine	O
processor	O
designed	O
at	O
NCR	O
by	O
Joel	O
McCormack	O
.	O
</s>
<s>
A	O
number	O
of	O
MAI	B-Language
Basic	I-Language
Four	I-Language
machines	O
.	O
</s>
<s>
The	O
SM-1420	B-Device
,	O
Soviet	O
clone	O
of	O
PDP-11	B-Device
,	O
used	O
Soviet	O
clone	O
of	O
AM2901	B-General_Concept
perhaps	O
also	O
used	O
in	O
others	O
.	O
</s>
<s>
The	O
Lilith	B-Device
computer	I-Device
designed	O
at	O
ETH	O
Zürich	O
by	O
Niklaus	O
Wirth	O
.	O
</s>
<s>
Atari	O
's	O
vector	B-General_Concept
graphics	I-General_Concept
arcade	O
machines	O
Tempest	B-Application
,	O
Battlezone	B-Application
,	O
and	O
Red	B-Application
Baron	I-Application
each	O
used	O
4	O
Am2901	B-General_Concept
ICs	O
in	O
their	O
"	O
math	O
box	O
"	O
auxiliary	O
circuit	O
boards	O
.	O
</s>
<s>
Atari	O
's	O
raster	B-Algorithm
graphics	I-Algorithm
arcade	O
machine	O
I	B-Application
,	I-Application
Robot	I-Application
,	O
the	O
first	O
commercial	O
game	O
featuring	O
filled	O
polygons	O
,	O
included	O
a	O
math	O
processor	O
built	O
around	O
four	O
AMD	B-General_Concept
2901	I-General_Concept
chips	O
.	O
</s>
<s>
Eventide	O
H949	O
Harmonizer	O
;	O
four	O
Am2901	B-General_Concept
chips	O
(	O
and	O
several	O
microcode	O
PROMs	O
)	O
are	O
used	O
to	O
generate	O
addresses	O
and	O
generate	O
reference	O
voltages	O
for	O
the	O
DAC	O
system	O
audio	O
was	O
not	O
processed	O
in	O
the	O
2901	O
ALU	B-General_Concept
section	O
.	O
</s>
<s>
Many	O
Siemens	O
Teleperm	O
and	O
S5	O
PLCs	B-Architecture
used	O
for	O
industrial	O
control	O
were	O
built	O
using	O
the	O
2900	O
series	O
.	O
</s>
<s>
AT&T	B-Device
3B20D	I-Device
processor	O
.	O
</s>
<s>
Metheus	O
/	O
Barco	O
Omega	O
400	O
and	O
500	O
Series	O
graphics	O
systems	O
;	O
four	O
Am2901	B-General_Concept
chips	O
(	O
and	O
eight	O
microcode	O
PROMs	O
)	O
were	O
used	O
to	O
perform	O
graphics	O
operations	O
on	O
this	O
1982	O
display	O
processor	O
.	O
</s>
<s>
Geac	O
Computer	O
Corporation	O
2000	O
,	O
6000	O
,	O
8000	O
,	O
and	O
9000	O
were	O
all	O
based	O
on	O
4	O
x	O
AM2901	B-General_Concept
chips	O
.	O
</s>
<s>
AES	O
of	O
Montreal	O
designed	O
a	O
series	O
of	O
modules	O
and	O
systems	O
based	O
on	O
their	O
AES-800	O
bit-slice	B-General_Concept
processors	I-General_Concept
.	O
</s>
<s>
the	O
700F	O
and	O
700G	O
,	O
used	O
AM2901	B-General_Concept
devices	O
,	O
as	O
did	O
as	O
some	O
of	O
the	O
A700	O
peripheral	O
channel	O
controllers	O
for	O
e.g.	O
</s>
<s>
The	O
Am2909	O
and	O
Am2911	O
microprogram	O
sequencers	O
and	O
the	O
Am2901	B-General_Concept
ALU	B-General_Concept
were	O
used	O
in	O
the	O
CPU6	O
variant	O
.	O
</s>
<s>
Amperif	O
Systems	O
Cache	O
Controllers	O
for	O
Sperry+Univac	O
1100	O
&	O
2200	O
series	O
and	O
IBM	O
370	O
series	O
mainframes	O
used	O
the	O
AMD	B-General_Concept
2900	I-General_Concept
products	O
to	O
create	O
the	O
microcontroller	O
for	O
these	O
cache	O
subsystems	O
.	O
</s>
<s>
The	O
PerkinElmer	O
Computer	O
Systems	O
Division	O
utilized	O
AM2900	B-General_Concept
devices	O
in	O
the	O
ALU	B-General_Concept
of	O
their	O
3200	O
series	O
supermini	O
computers	O
.	O
</s>
<s>
The	O
Am2900	B-General_Concept
Family	O
Data	O
Book	O
lists	O
:	O
</s>
