<s>
The	O
Timex	B-Device
Computer	I-Device
2048	I-Device
or	O
TC	B-Device
2048	I-Device
is	O
a	O
1984	O
computer	O
developed	O
by	O
Timex	O
Portugal	O
(	O
the	O
Portuguese	O
branch	O
of	O
Timex	O
Corporation	O
)	O
,	O
at	O
the	O
time	O
part	O
of	O
Timex	O
Sinclair	O
.	O
</s>
<s>
It	O
was	O
based	O
on	O
the	O
Timex	O
Sinclair	O
2048	O
prototype	O
(	O
see	O
below	O
)	O
,	O
with	O
a	O
similar	O
redesign	O
case	O
,	O
composite	O
video	O
output	O
,	O
Kempston	B-Device
joystick	I-Device
interface	O
,	O
and	O
additional	O
video	O
modes	O
,	O
while	O
being	O
highly	O
compatible	O
with	O
the	O
Sinclair	B-Operating_System
ZX	I-Operating_System
Spectrum	I-Operating_System
computer	O
(	O
although	O
ROM	B-Device
differences	O
prevented	O
100%	O
compatibility	O
)	O
.	O
</s>
<s>
After	O
connecting	O
an	O
external	O
disk	O
drive	O
,	O
Timex	B-Device
FDD3000	I-Device
,	O
the	O
computer	O
could	O
work	O
under	O
TOS	O
-	O
Timex	O
Operating	O
System	O
or	O
CP/M	B-Application
.	O
</s>
<s>
As	O
Timex	O
Portugal	O
sold	O
the	O
Timex	O
Sinclair	O
models	O
in	O
Portugal	O
and	O
Poland	O
under	O
the	O
Timex	O
Computer	O
brand	O
,	O
this	O
computer	O
is	O
named	O
"	O
Timex	B-Device
Computer	I-Device
2048	I-Device
"	O
,	O
even	O
though	O
the	O
"	O
Timex	O
Sinclair	O
2048	O
"	O
was	O
never	O
produced	O
.	O
</s>
<s>
The	O
Timex	O
Sinclair	O
2048	O
was	O
not	O
released	O
by	O
Timex	O
Sinclair	O
because	O
of	O
the	O
failure	O
of	O
the	O
T/S	B-Device
1500	I-Device
.	O
</s>
<s>
According	O
to	O
an	O
early	O
Timex	O
Sinclair	O
2000	O
computer	O
flyer	O
,	O
it	O
would	O
be	O
a	O
cut-down	O
Timex	B-Device
Sinclair	I-Device
2068	I-Device
with	O
16KB	O
of	O
RAM	B-Architecture
.	O
</s>
<s>
In	O
contrast	O
with	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
,	O
which	O
was	O
the	O
best-selling	O
computer	O
in	O
Britain	O
at	O
the	O
time	O
,	O
the	O
T/S	B-Device
2068	I-Device
and	O
T/S	B-Device
1500	I-Device
were	O
considered	O
failures	O
.	O
</s>
<s>
Timex	O
Portugal	O
continued	O
to	O
manufacture	O
and	O
sell	O
the	O
TC	B-Device
2048	I-Device
in	O
Portugal	O
and	O
Poland	O
,	O
where	O
it	O
was	O
very	O
successful	O
,	O
selling	O
more	O
than	O
10000	O
units	O
.	O
</s>
<s>
TC	B-Device
2048	I-Device
started	O
to	O
be	O
sold	O
in	O
Poland	O
in	O
1986	O
,	O
with	O
5000	O
units	O
available	O
at	O
the	O
"	O
Central	O
Scouting	O
Store	O
"	O
for	O
a	O
price	O
of	O
PLZ	O
106,000	O
.	O
</s>
<s>
It	O
was	O
the	O
equivalent	O
of	O
4	O
average	O
salaries	O
(	O
24,095	O
PLZ	O
)	O
,	O
and	O
slightly	O
higher	O
than	O
a	O
ZX	B-Operating_System
Spectrum	I-Operating_System
(	O
PLZ	O
70,000	O
-80	O
,	O
000	O
)	O
.	O
</s>
<s>
This	O
computer	O
forms	O
the	O
basis	O
of	O
a	O
proposal	O
for	O
an	O
improved	O
Spectrum-compatible	O
machine	O
,	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
SE	O
.	O
</s>
<s>
Based	O
on	O
the	O
Timex	O
TC	B-Device
2048	I-Device
and	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
128	O
,	O
with	O
Timex	O
graphic	O
modes	O
and	O
280K	O
RAM	B-Architecture
,	O
it	O
was	O
proposed	O
by	O
Andrew	O
Owen	O
and	O
Jarek	O
Adamski	O
in	O
2000	O
.	O
</s>
<s>
Two	O
modifications	O
of	O
the	O
TC	B-Device
2048	I-Device
exist	O
:	O
the	O
TC	O
2128	O
(	O
by	O
STAVI	O
)	O
and	O
the	O
TC	O
2144	O
(	O
by	O
Jarek	O
Adamski	O
)	O
.	O
</s>
<s>
Both	O
extend	O
the	O
RAM	B-Architecture
to	O
128K	O
and	O
upgrade	O
the	O
ULA	O
to	O
use	O
four	O
screen	O
areas	O
.	O
</s>
<s>
Timex	O
SCLD	O
chip	O
instead	O
of	O
the	O
Spectrum	O
's	O
ULA	O
,	O
offering	O
additional	O
Extended	O
Color	O
,	O
Dual	O
Screen	O
and	O
High	O
Resolution	O
screen	B-Operating_System
modes	I-Operating_System
:	O
</s>
<s>
Timex	B-Device
FDD	I-Device
(	O
Floppy	O
Disk	O
Drive	O
System	O
Power	O
Supply	O
,	O
Controller	O
and	O
Disk	O
Drive	O
in	O
separate	O
cases	O
.	O
</s>
