<s>
The	O
Timex	B-Device
FDD	I-Device
3000	O
in	O
1982	O
was	O
a	O
nearly	O
complete	O
computer	O
by	O
Timex	O
of	O
Portugal	O
.	O
</s>
<s>
The	O
Timex	B-Device
FDD	I-Device
3000	O
is	O
an	O
upgraded	O
Timex	B-Device
FDD	I-Device
(	O
sometimes	O
known	O
as	O
the	O
FDD3	O
because	O
it	O
consisted	O
of	O
three	O
separate	O
boxes	O
:	O
the	O
disk	O
drive	O
,	O
the	O
controller	O
and	O
the	O
power	O
supply	O
)	O
.	O
</s>
<s>
The	O
Timex	O
FDD3	O
was	O
intended	O
as	O
a	O
floppy	B-Device
disk	I-Device
peripheral	O
for	O
the	O
Timex	O
TC	B-Device
2048	I-Device
or	O
TC	B-Device
2068	I-Device
microcomputers	B-Architecture
.	O
</s>
<s>
It	O
usually	O
had	O
16K	O
RAM	B-Architecture
and	O
only	O
one	O
3″	O
disk	O
drive	O
,	O
but	O
it	O
could	O
be	O
upgraded	O
to	O
64K	O
RAM	B-Architecture
and	O
a	O
second	O
disk	O
drive	O
,	O
making	O
it	O
capable	O
of	O
running	O
CP/M	B-Application
.	O
</s>
<s>
Later	O
,	O
Timex	O
combined	O
the	O
three	O
boxes	O
of	O
the	O
FDD	O
into	O
one	O
big	O
box	O
called	O
the	O
Timex	B-Device
FDD	I-Device
3000	O
.	O
</s>
<s>
Timex	O
also	O
added	O
64K	O
RAM	B-Architecture
,	O
a	O
second	O
3″	O
floppy	B-Device
disk	I-Device
drive	I-Device
and	O
a	O
line	O
in	O
the	O
controller	O
cable	O
to	O
pass	O
the	O
video	O
signal	O
generated	O
by	O
the	O
Timex	O
Terminal	O
3000	O
to	O
the	O
back	O
of	O
FDD	O
3000	O
box	O
.	O
</s>
<s>
The	O
FDD/FDD	O
3000	O
can	O
be	O
used	O
as	O
a	O
disk	O
drive	O
peripheral	O
or	O
as	O
a	O
CP/M	B-Application
computer	O
.	O
</s>
<s>
As	O
a	O
disk	O
drive	O
system	O
running	O
TOS	O
(	O
Timex	O
Operating	O
System	O
)	O
connected	O
to	O
a	O
ZX	B-Operating_System
Spectrum	I-Operating_System
,	O
TC	O
2048/2068	O
or	O
T/S	B-Device
2068	I-Device
in	O
Spectrum	O
mode	O
with	O
a	O
twister	O
board	O
for	O
the	O
rear	O
bus	O
connection	O
.	O
</s>
<s>
As	O
a	O
CP/M	B-Application
computer	O
using	O
a	O
TC	O
2048/2068	O
running	O
Timex	O
Terminal	O
Emulator	O
or	O
using	O
a	O
Timex	O
Terminal	O
3000	O
and	O
a	O
composite	O
video	O
monitor	O
as	O
a	O
console	O
.	O
</s>
<s>
Timex	O
released	O
TOS	O
A.2	O
and	O
CP/M	B-Application
.	O
</s>
<s>
To	O
use	O
CP/M	B-Application
on	O
the	O
FDD	O
3000	O
without	O
the	O
TT	O
3000	O
,	O
a	O
terminal	O
emulator	O
must	O
be	O
loaded	O
on	O
the	O
computer	O
(	O
ZX	O
Spectrum/TC	O
2048/TC	O
2068/TS	O
2068	O
in	O
Spectrum	O
mode	O
)	O
before	O
CP/M	B-Application
will	O
boot	O
.	O
</s>
<s>
It	O
's	O
called	O
Timex	O
Interface	O
(	O
TI	O
)	O
and	O
contains	O
the	O
FDD/FDD	O
3000	O
initialization	O
code	O
in	O
a	O
ROM.Because	O
of	O
the	O
differences	O
between	O
the	O
TC	B-Device
2048	I-Device
and	O
the	O
TC	B-Device
2068	I-Device
ROMs	O
,	O
there	O
are	O
two	O
TI	O
versions	O
:	O
an	O
all-black	O
version	O
for	O
ZX	B-Operating_System
Spectrum	I-Operating_System
&	O
TC	B-Device
2048	I-Device
and	O
a	O
black	O
with	O
silver	O
reset	O
button	O
for	O
T/S	O
&	O
TC	B-Device
2068	I-Device
.	O
</s>
<s>
The	O
TI	O
TC	B-Device
2048	I-Device
version	O
can	O
be	O
used	O
with	O
T/S	O
&	O
TC	B-Device
2068	I-Device
plus	O
emulator	O
cartridge	O
(	O
it	O
has	O
to	O
be	O
a	O
"	O
bootable	O
"	O
cartridge	O
as	O
you	O
cannot	O
type	O
OUT	O
244	O
,	O
3	O
because	O
the	O
computer	O
will	O
crash	O
)	O
.	O
</s>
<s>
There	O
is	O
a	O
TI	O
ROM	O
version	O
that	O
will	O
work	O
with	O
ZX	B-Operating_System
Spectrum	I-Operating_System
128	O
.	O
</s>
<s>
Zebra	O
Systems	O
sold	O
the	O
Timex	B-Device
FDD	I-Device
as	O
the	O
"	O
Zebra	O
"	O
FDD	O
,	O
in	O
silver	O
boxes	O
to	O
match	O
the	O
TS2068	B-Device
(	O
Timex	B-Device
FDD	I-Device
was	O
sold	O
in	O
black	O
boxes	O
in	O
Europe	O
)	O
.	O
</s>
<s>
Zebra	O
Systems	O
sold	O
the	O
Timex	B-Device
FDD	I-Device
3000	O
as	O
Zebra	O
FDD	O
3000	O
in	O
the	O
US	O
with	O
the	O
same	O
box	O
.	O
</s>
<s>
Unipolbrit	B-Device
made	O
some	O
changes	O
in	O
the	O
design	O
of	O
FDD	O
,	O
putting	O
everything	O
in	O
only	O
one	O
box	O
,	O
but	O
not	O
the	O
same	O
as	O
the	O
FDD	O
3000	O
.	O
</s>
<s>
Some	O
people	O
in	O
Poland	O
replaced	O
disk	O
drive	O
3″	O
by	O
a	O
5.25	O
″	O
DS/DD	O
(	O
360K	B-Device
)	O
drive	O
with	O
a	O
manual	O
switch	O
to	O
change	O
the	O
side	O
to	O
be	O
read	O
and	O
name	O
it	O
FDD	O
6000	O
,	O
keeping	O
most	O
of	O
the	O
original	O
FDD	O
3000	O
box	O
.	O
</s>
<s>
It	O
is	O
also	O
possible	O
to	O
install	O
a	O
3.5	B-Device
"	I-Device
disk	O
drive	O
(	O
again	O
with	O
only	O
minor	O
modifications	O
to	O
the	O
box	O
)	O
for	O
use	O
with	O
3.5	B-Device
"	I-Device
DD	O
(	O
double	O
density	O
)	O
disks	O
.	O
</s>
