<s>
The	O
Kay	B-Device
1024	I-Device
was	O
a	O
Russian	O
ZX	B-Operating_System
Spectrum	I-Operating_System
clone	O
introduced	O
in	O
1998	O
.	O
</s>
<s>
Created	O
by	O
the	O
NEMO	O
company	O
of	O
St.	O
Petersburg	O
,	O
it	O
has	O
1024	O
KB	O
of	O
RAM	B-Architecture
.	O
</s>
<s>
It	O
offered	O
a	O
controller	O
for	O
a	O
PC	B-Device
keyboard	I-Device
and	O
HDD	B-Device
,	O
but	O
not	O
for	O
floppy	B-Device
disks	I-Device
(	O
although	O
available	O
as	O
an	O
extension	O
card	O
)	O
.	O
</s>
<s>
Adding	O
a	O
General	O
Sound	O
card	O
was	O
easy	O
,	O
and	O
the	O
CPU	B-General_Concept
had	O
a	O
7	O
Mhz	O
turbo	B-Device
mode	I-Device
.	O
</s>
<s>
It	O
adds	O
three	O
new	O
graphics	O
modes	O
:	O
Multicolor	B-Operating_System
,	I-Operating_System
GigaScreen	I-Operating_System
and	I-Operating_System
512×192	I-Operating_System
pixels	I-Operating_System
in	I-Operating_System
2	I-Operating_System
colors	I-Operating_System
.	O
</s>
<s>
The	O
Kay	O
2010	O
or	O
Kay	O
1024/SL4	O
is	O
a	O
2010	O
update	O
of	O
the	O
original	O
KAY	B-Device
1024	I-Device
with	O
a	O
few	O
minor	O
additions	O
and	O
improvements	O
.	O
</s>
<s>
The	O
Kay	O
2010	O
mainboards	B-Device
are	O
manufactured	O
in	O
Chelyabinsk	O
.	O
</s>
<s>
Supplied	O
as	O
a	O
complete	O
board	O
,	O
with	O
a	O
IS-DOS	B-Operating_System
floppy	B-Device
disk	I-Device
,	O
drivers	O
and	O
utilities	O
,	O
a	O
ribbon	O
cable	O
and	O
instructions	O
(	O
on	O
a	O
single	O
sheet	O
of	O
paper	O
)	O
.	O
</s>
<s>
A	O
40	O
MB	O
hard	B-Device
drive	I-Device
with	O
the	O
preinstalled	O
operating	B-General_Concept
system	I-General_Concept
was	O
an	O
option	O
.	O
</s>
<s>
1024	O
Kb	O
RAM	B-Architecture
(	O
61	O
pages	O
)	O
,	O
usable	O
as	O
256	O
Kb	O
(	O
7FFD	O
1FFD	O
)	O
plus	O
a	O
640	O
Kb	O
RAM	B-Architecture
disk	O
in	O
TR-DOS	B-Operating_System
(	O
virtual	O
drive	O
"	O
C	O
"	O
)	O
.	O
</s>
<s>
The	O
Z80A	B-General_Concept
3.5	O
MHz	O
CPU	B-General_Concept
has	O
no	O
wait	O
states	O
and	O
a	O
7	O
MHz	O
turbo-mode	B-Device
.	O
</s>
<s>
The	O
turbo	B-Device
mode	I-Device
can	O
be	O
controlled	O
by	O
software	O
,	O
logical	O
level	O
on	O
bus	O
,	O
or	O
by	O
an	O
external	O
button	O
.	O
</s>
<s>
KAY-1024/3SL/TURBO	O
motherboard	B-Device
with	O
three	O
slots	O
for	O
additional	O
devices	O
:	O
floppy	B-Device
disk	I-Device
controller	O
,	O
IDE	B-Protocol
drive	I-Protocol
,	O
IBM	B-Device
PC	I-Device
keyboard	I-Device
,	O
modem	B-Application
,	O
etc	O
(	O
no	O
soldering	O
needed	O
)	O
.	O
</s>
<s>
Built-in	O
hard	B-Device
drive	I-Device
support	O
in	O
ROM	O
.	O
</s>
<s>
IS-DOS	B-Operating_System
may	O
be	O
loaded	O
directly	O
from	O
hard	B-Device
drive	I-Device
,	O
accessible	O
from	O
the	O
computer	O
main	O
menu	O
.	O
</s>
<s>
The	O
IDE	B-Protocol
hard	I-Protocol
drive	I-Protocol
interface	O
for	O
Nemo-bus	O
and	O
IS-DOS	B-Operating_System
can	O
be	O
used	O
within	O
TR-DOS	B-Operating_System
.	O
</s>
<s>
IBM	B-Device
PC	I-Device
keyboard	I-Device
and	O
mouse	O
controller	O
(	O
Kempston	B-Device
mouse	I-Device
)	O
.	O
</s>
<s>
XTR-Modem	O
,	O
for	O
Nemo-bus	O
.	O
</s>
<s>
"	O
BETA-TURBO	O
"	O
floppy	B-Device
disk	I-Device
controller	O
for	O
Nemo-Bus	O
.	O
</s>
<s>
Optional	O
:	O
AY-3-8910	B-Device
,	O
Z84C0010PEC	O
,	O
Z84006PEC	O
,	O
ROM	O
27C512	O
with	O
KAY-1024	O
ROM	O
set	O
,	O
real-time	O
clock	O
IC	O
"	O
Dallas	O
"	O
,	O
ribbon	O
cables	O
for	O
HDD	B-Device
and	O
FDD	O
;	O
General	O
Sound	O
external	O
sound	O
card	O
,	O
Nemo-bus	O
compatible	O
;	O
General	O
Sound	O
memory	O
module	O
.	O
</s>
<s>
Kempston	O
and	O
Sinclair	O
joysticks	B-Device
.	O
</s>
<s>
Complete	O
Centronics	B-Protocol
printer	I-Protocol
interface	I-Protocol
.	O
</s>
