<s>
Socket	B-Device
M	I-Device
(	O
mPGA478MT	B-Device
)	O
is	O
a	O
CPU	O
interface	O
introduced	O
by	O
Intel	O
in	O
2006	O
for	O
the	O
Intel	B-Device
Core	I-Device
line	O
of	O
mobile	O
processors	O
.	O
</s>
<s>
Socket	B-Device
M	I-Device
is	O
used	O
in	O
all	O
Intel	B-Device
Core	I-Device
products	O
,	O
as	O
well	O
as	O
the	O
Core-derived	O
Dual-Core	B-Device
Xeon	I-Device
codenamed	O
Sossaman	O
.	O
</s>
<s>
It	O
was	O
also	O
used	O
in	O
the	O
first	O
generation	O
of	O
the	O
mobile	O
version	O
of	O
Intel	O
's	O
Core	O
2	O
Duo	O
,	O
specifically	O
,	O
the	O
T5x00	O
and	O
T7x00	O
Merom	B-Device
lines	O
(	O
referred	O
to	O
as	O
Napa	O
Refresh	O
)	O
,	O
though	O
that	O
line	O
switched	O
to	O
Socket	B-Device
P	I-Device
(	O
Santa	O
Rosa	O
)	O
in	O
2007	O
.	O
</s>
<s>
It	O
typically	O
uses	O
the	O
Intel	O
945PM/945GM	O
chipsets	O
which	O
support	O
up	O
to	O
667MHz	O
FSB	O
and	O
the	O
Intel	O
PM965/GM965	O
which	O
allows	O
800MHz	O
FSB	O
support	O
,	O
though	O
the	O
Socket	B-Device
M	I-Device
,	O
PM965/GM965	O
combination	O
is	O
less	O
common	O
.	O
</s>
<s>
The	O
"	O
Sossaman	O
"	O
Xeons	B-Device
use	O
the	O
E7520	O
chipset	O
.	O
</s>
<s>
Socket	B-Device
M	I-Device
is	O
pin-compatible	O
with	O
desktop	O
socket	O
mPGA478A	O
but	O
it	O
is	O
not	O
electrically	O
compatible	O
.	O
</s>
<s>
Socket	B-Device
M	I-Device
is	O
not	O
pin-compatible	O
with	O
the	O
older	O
desktop	O
Socket	B-Device
478	I-Device
(	O
mPGA478B	B-Device
)	O
or	O
the	O
newer	O
mobile	O
Socket	B-Device
P	I-Device
(	O
mPGA478MN	B-Device
)	O
by	O
location	O
of	O
one	O
pin	O
;	O
it	O
is	O
also	O
incompatible	O
with	O
most	O
versions	O
of	O
the	O
older	O
mobile	O
Socket	B-Device
479	I-Device
.	O
</s>
<s>
Pentium	B-General_Concept
III-M	I-General_Concept
processors	O
designed	O
for	O
the	O
first	O
version	O
of	O
Socket	B-Device
479	I-Device
will	O
physically	O
fit	O
into	O
a	O
Socket	B-Device
M	I-Device
,	O
but	O
are	O
electrically	O
incompatible	O
with	O
it	O
.	O
</s>
<s>
Although	O
conflicting	O
information	O
has	O
been	O
published	O
,	O
no	O
45nm	O
Penryn	B-Device
processors	O
have	O
been	O
released	O
for	O
Socket	B-Device
M	I-Device
.	O
</s>
