<s>
The	O
K1810VM86	B-Device
(	O
)	O
is	O
a	O
Soviet	O
16-bit	O
microprocessor	B-Architecture
,	O
a	O
clone	B-General_Concept
of	O
the	O
Intel	B-General_Concept
8086	I-General_Concept
CPU	B-Device
with	O
which	O
it	O
is	O
binary	O
and	O
pin	O
compatible	O
.	O
</s>
<s>
The	O
original	O
K1810VM86	B-Device
supported	O
a	O
clock	O
frequency	O
of	O
up	O
to	O
5MHz	O
while	O
up	O
to	O
8MHz	O
were	O
allowed	O
for	O
the	O
later	O
K1810VM86M	O
( К1810ВМ86M	O
;	O
corresponding	O
to	O
Intel	B-General_Concept
8086-2	I-General_Concept
)	O
.	O
</s>
<s>
The	O
K1810VM86	B-Device
was	O
manufactured	O
plastic	O
40-pin	O
dual	B-Algorithm
in-line	I-Algorithm
package	I-Algorithm
(	O
as	O
KR1810VM86	O
/	O
КР1810ВМ86	O
)	O
or	O
in	O
a	O
40-pin	O
ceramic	O
dual	B-Algorithm
in-line	I-Algorithm
package	I-Algorithm
(	O
as	O
KM1810VM86	O
/	O
КМ1810ВМ86	O
for	O
the	O
commercial	O
version	O
or	O
M1810VM86	O
/	O
М1810ВМ86	O
for	O
the	O
military	O
version	O
)	O
.	O
</s>
<s>
A	O
clone	B-General_Concept
of	O
the	O
related	O
Intel	B-Device
8088	I-Device
with	O
its	O
8-bit	O
bus	B-General_Concept
was	O
manufactured	O
as	O
the	O
K1810VM88	O
(	O
)	O
,	O
also	O
in	O
plastic	O
and	O
ceramic	O
packages	B-Algorithm
.	O
</s>
<s>
The	O
K1810VM86	B-Device
was	O
manufactured	O
with	O
an	O
n-MOS	B-Algorithm
process	O
.	O
</s>
<s>
For	O
brevity	O
,	O
the	O
table	O
above	O
lists	O
only	O
the	O
chip	O
variants	O
in	O
a	O
plastic	O
DIP	B-Algorithm
(	O
prefix	O
КР	O
)	O
.	O
</s>
<s>
Not	O
listed	O
separately	O
are	O
variants	O
in	O
a	O
ceramic	O
DIP	B-Algorithm
(	O
prefix	O
КМ	O
for	O
commercial	O
version	O
and	O
prefix	O
М	O
for	O
the	O
military	O
version	O
)	O
.	O
</s>
<s>
Unlike	O
the	O
earlier	O
KR580VM80A	O
which	O
was	O
very	O
popular	O
in	O
the	O
Soviet	O
Union	O
but	O
little	O
used	O
elsewhere	O
,	O
the	O
K1810VM86	B-Device
was	O
widely	O
used	O
throughout	O
the	O
Eastern	O
Bloc	O
due	O
to	O
it	O
being	O
one	O
of	O
the	O
first	O
16-bit	O
microprocessors	B-Architecture
available	O
there	O
and	O
among	O
those	O
the	O
only	O
one	O
with	O
an	O
x86	B-Operating_System
instruction	O
set	O
,	O
allowing	O
it	O
to	O
run	O
MS-DOS	B-Application
.	O
</s>
<s>
Examples	O
for	O
personal	B-Device
computers	I-Device
built	O
based	O
on	O
the	O
K1810VM86	B-Device
(	O
or	O
the	O
8-bit	O
bus	B-General_Concept
variant	O
K1810VM88	O
)	O
are	O
:	O
</s>
<s>
CMOS	B-Device
versions	O
equivalent	O
to	O
the	O
Intel	B-General_Concept
80C86	I-General_Concept
were	O
named	O
KR1834VM86	O
( КР1834ВМ86	O
;	O
developed	O
in	O
Kyiv	O
in	O
1989	O
/	O
1990	O
and	O
then	O
manufactured	O
in	O
Minsk	O
)	O
and	O
KR1835VM86	O
( КР1835ВМ86	O
)	O
.	O
</s>
<s>
The	O
original	O
KR1810VM86	O
is	O
still	O
shown	O
on	O
the	O
price	O
list	O
of	O
15	O
August	O
2022	O
of	O
the	O
"	O
Kvazar	O
"	O
plant	O
in	O
Kyiv	O
together	O
with	O
various	O
support	O
chips	O
of	O
the	O
K580	O
and	O
K1810	O
series	O
,	O
while	O
the	O
newer	O
CMOS	B-Device
versions	O
appear	O
to	O
be	O
no	O
longer	O
in	O
production	O
.	O
</s>
<s>
A	O
clone	B-General_Concept
of	O
the	O
Intel	B-General_Concept
80C286	I-General_Concept
was	O
manufactured	O
under	O
the	O
name	O
KR1847VM286	O
( КР1847ВМ286	O
)	O
but	O
apparently	O
did	O
not	O
see	O
widespread	O
use	O
.	O
</s>
<s>
No	O
other	O
processors	O
with	O
an	O
x86	B-Operating_System
instruction	O
set	O
were	O
designed	O
in	O
the	O
Soviet	O
Union	O
until	O
much	O
later	O
the	O
1875VD1T	O
(	O
1875ВД1Т	O
,	O
equivalent	O
to	O
the	O
Intel	B-Device
80C186	I-Device
)	O
and	O
1875VD2T	O
(	O
1875ВД2Т	O
,	O
equivalent	O
to	O
the	O
Intel	O
80386EXTB	O
)	O
.	O
</s>
