<s>
The	O
Ditto	B-Device
drive	I-Device
series	O
was	O
a	O
proprietary	O
magnetic	B-Architecture
tape	I-Architecture
data	I-Architecture
storage	I-Architecture
system	O
released	O
by	O
Iomega	O
during	O
the	O
1990s	O
.	O
</s>
<s>
It	O
was	O
marketed	O
as	O
a	O
backup	B-Protocol
device	I-Protocol
for	O
personal	B-Device
computers	I-Device
.	O
</s>
<s>
They	O
were	O
released	O
in	O
several	O
capacities	O
ranging	O
from	O
the	O
original	O
Ditto	B-Device
250	O
drive	O
(	O
250MB	O
compressed	O
capacity	O
per	O
cartridge	O
)	O
to	O
the	O
DittoMAX	O
drive	O
,	O
a	O
compatible	O
format	O
with	O
compressed	O
capacities	O
up	O
to	O
10GB	O
per	O
cartridge	O
.	O
</s>
<s>
Some	O
versions	O
of	O
the	O
drive	O
were	O
also	O
able	O
to	O
read	O
Travan-type	O
tapes	O
.	O
</s>
<s>
Ditto	B-Device
internal	O
drives	O
were	O
connected	O
through	O
the	O
floppy	B-Device
drive	I-Device
channel	O
and	O
used	O
MFM	B-Protocol
encoding	I-Protocol
to	O
store	O
data	O
(	O
the	O
same	O
method	O
as	O
on	O
older	O
floppy	B-Device
drives	I-Device
)	O
.	O
</s>
<s>
An	O
ISA	B-Architecture
accelerator	O
card	O
called	O
the	O
Ditto	B-Device
Dash	O
,	O
providing	O
higher	O
speed	O
than	O
a	O
stock	O
floppy	B-Device
controller	O
,	O
was	O
also	O
available	O
.	O
</s>
<s>
Ditto	B-Device
external	O
drives	O
were	O
connected	O
to	O
the	O
parallel	B-Device
port	I-Device
and	O
offered	O
a	O
print-through	O
port	O
which	O
allowed	O
a	O
printer	O
to	O
operate	O
while	O
daisy-chained	O
to	O
the	O
Ditto	B-Device
drive	I-Device
.	O
</s>
<s>
This	O
is	O
a	O
feature	O
also	O
commonly	O
found	O
on	O
an	O
Iomega	B-Operating_System
ZIP	I-Operating_System
drive	I-Operating_System
.	O
</s>
<s>
Usage	O
of	O
the	O
parallel	B-Device
port	I-Device
allowed	O
for	O
transfer	O
speeds	O
(	O
in	O
EPP	O
mode	O
)	O
of	O
a	O
maximum	O
1	O
MB/s	O
.	O
</s>
<s>
In	O
1999	O
,	O
Iomega	O
sold	O
the	O
Ditto	B-Device
brand	O
and	O
technology	O
to	O
Tecmar	O
and	O
exited	O
the	O
tape	O
drive	O
business	O
.	O
</s>
<s>
The	O
Ditto	B-Device
series	O
has	O
been	O
discontinued	O
.	O
</s>
<s>
The	O
need	O
for	O
higher	O
capacities	O
has	O
made	O
the	O
Ditto	B-Device
series	O
obsolete	O
.	O
</s>
<s>
The	O
slow	O
bandwidth	O
of	O
the	O
Ditto	B-Device
also	O
limited	O
its	O
usefulness	O
compared	O
to	O
the	O
Iomega	B-Device
REV	I-Device
or	O
the	O
older	O
(	O
and	O
discontinued	O
)	O
Iomega	B-Device
Jaz	I-Device
.	O
</s>
<s>
QIC	B-Device
Travan	B-Device
Iomega	B-Device
Ditto	I-Device
2080	O
2120	O
2120XL	O
QW5122	O
3000	O
3000XL	O
3010XL	O
3010XLF	O
3020	O
3020XL	O
3020XLF	O
TR-1	O
TR-2	O
TR-3	O
2GB	O
Max	O
3GB	O
3.7GB	O
Max	O
5GB	O
Max	O
7GB	O
Max	O
10GB	O
Tape	O
250	O
R/W/F	O
R/W/F	O
R/W	O
Tape	O
420	O
R/W/F	O
R/W/F	O
R/W/F	O
R/W/F	O
Ditto	B-Device
800	O
R/W/F	O
R/W/F	O
R/W/F	O
R/W/F	O
R/W/F	O
Ditto	B-Device
510	O
R	O
R	O
R/W/F	O
R/W/F	O
Ditto	B-Device
700	O
R	O
R	O
R/W/F	O
R/W/F	O
Ditto	B-Device
850	O
R	O
R	O
R	O
R/W/F	O
R/W/F	O
R/W/F	O
Ditto	B-Device
1700	O
R	O
R	O
R	O
R/W/F	O
R/W/F	O
R/W/F	O
R/W/F	O
R/W/F	O
R/W/F	O
Ditto	B-Device
3200	O
R	O
R	O
R	O
R	O
R	O
R	O
?	O
</s>
<s>
R/W/F	O
R/W/F	O
R	O
R	O
R/W/F	O
Ditto	B-Device
2GB	O
R	O
R	O
R	O
R	O
R	O
R	O
?	O
</s>
<s>
Ditto	B-Device
Max	O
requires	O
version	O
3.2	O
Pro	O
of	O
the	O
Iomega	O
backup	B-Protocol
software	O
to	O
support	O
the	O
Ditto	B-Device
Max	O
10GB	O
tape	O
cartridge	O
.	O
</s>
