<s>
Stackable	B-Device
Unified	I-Device
Module	I-Device
Interconnect	I-Device
Technology	I-Device
(	O
SUMIT	B-Device
)	O
is	O
a	O
connector	O
between	O
expansion	O
buses	O
independent	O
of	O
motherboard	O
form	O
factor	O
.	O
</s>
<s>
Boards	O
featuring	O
SUMIT	B-Device
connectors	O
are	O
usually	O
used	O
in	O
"	O
stacks	O
"	O
where	O
one	O
board	O
sits	O
on	O
top	O
of	O
another	O
.	O
</s>
<s>
It	O
was	O
published	O
by	O
the	O
Small	B-Device
Form	I-Device
Factor	I-Device
Special	I-Device
Interest	I-Device
Group	I-Device
.	O
</s>
<s>
Commonly	O
referred	O
to	O
as	O
SUMIT	B-Device
A	O
&	O
SUMIT	B-Device
B	O
,	O
designers	O
have	O
the	O
option	O
of	O
designing	O
with	O
either	O
both	O
SUMIT	B-Device
A	O
and	O
B	O
,	O
or	O
just	O
SUMIT	B-Device
A	O
.	O
</s>
<s>
SUMIT	B-Device
A	O
:	O
</s>
<s>
SUMIT	B-Device
B	O
:	O
</s>
<s>
As	O
of	O
August	O
2009	O
,	O
three	O
board	O
form	O
factors	O
used	O
the	O
SUMIT	B-Device
connectors	O
for	O
embedded	O
applications	O
:	O
ISM	O
or	O
SUMIT-ISM	O
[	O
90mm	O
×	O
96mm ]	O
,	O
Pico-ITXe	B-Device
[	O
72mm	O
×	O
100mm ]	O
,	O
and	O
Pico-I/O	O
[	O
60mm	O
×	O
72mm ]	O
.	O
</s>
