<s>
The	O
Small	B-Device
Form	I-Device
Factor	I-Device
Special	I-Device
Interest	I-Device
Group	I-Device
(	O
SFF-SIG	B-Device
,	O
pronounced	O
ess-eff-eff-sig	O
)	O
is	O
an	O
international	O
non-profit	O
standards	O
body	O
focused	O
on	O
modular	O
computer	B-Architecture
hardware	I-Architecture
technologies	O
used	O
in	O
embedded	O
and	O
small	B-Device
form	I-Device
factor	I-Device
computers	O
and	O
controllers	O
.	O
</s>
<s>
SFF-SIG	B-Device
generally	O
targets	O
low	O
power	O
components	O
and	O
processors	O
from	O
VIA	O
Technologies	O
and	O
Intel	O
including	O
the	O
Nano	O
and	O
Atom	O
processors	O
,	O
although	O
products	O
for	O
RISC	O
processors	O
were	O
discussed	O
in	O
some	O
working	O
groups	O
.	O
</s>
<s>
VIA	O
,	O
WinSystems	O
,	O
and	O
Octagon	B-Device
Systems	I-Device
were	O
founding	O
members	O
of	O
SFF-SIG	B-Device
.	O
</s>
<s>
SFF-SIG	B-Device
creates	O
,	O
promotes	O
,	O
and	O
maintains	O
embedded	B-Architecture
computer	I-Architecture
standards	O
for	O
form	O
factors	O
and	O
computer	B-General_Concept
buses	I-General_Concept
.	O
</s>
<s>
Examples	O
include	O
the	O
governing	O
documents	O
and	O
trademarks	O
for	O
CoreExpress	B-Device
,	O
Pico-ITX	B-Device
,	O
Express104	O
,	O
and	O
SUMIT	B-Device
.	O
</s>
<s>
Members	O
use	O
the	O
specifications	O
to	O
build	O
specialized	O
embedded	B-Architecture
computers	I-Architecture
used	O
in	O
both	O
commercial	O
and	O
rugged	O
environments	O
where	O
applications	O
insist	O
on	O
reliable	O
control	O
and	O
data	B-Algorithm
acquisition	I-Algorithm
,	O
for	O
example	O
.	O
</s>
<s>
Primarily	O
focused	O
on	O
hardware	B-Architecture
,	O
SFF-SIG	B-Device
defined	O
new	O
single-board	B-Device
computer	I-Device
(	O
SBC	O
)	O
and	O
computer-on-module	B-Application
(	O
COM	O
)	O
form	O
factors	O
.	O
</s>
<s>
SFF-SIG	B-Device
standardizes	O
expansion	O
connectors	O
to	O
create	O
the	O
building	O
blocks	O
required	O
by	O
system	O
manufacturers	O
.	O
</s>
<s>
Specifications	O
often	O
use	O
pre-existing	O
interface	O
buses	O
and	O
interconnects	B-General_Concept
such	O
as	O
PCI	O
Express	O
,	O
USB	B-Protocol
2.0	O
,	O
ExpressCard	B-Device
,	O
Low	O
Pin	O
Count	O
(	O
LPC	O
)	O
Bus	O
,	O
SPI	O
/	O
uWire	O
,	O
and	O
I2C	O
/	O
SMBus	O
,	O
with	O
adaptations	O
for	O
modular	O
and	O
extensible	O
usage	O
.	O
</s>
<s>
Some	O
standards	O
preserve	O
the	O
Industry	B-Architecture
Standard	I-Architecture
Architecture	I-Architecture
(	O
ISA	O
)	O
bus	O
and	O
legacy	O
peripherals	O
.	O
</s>
