<s>
Socket	B-General_Concept
7	I-General_Concept
is	O
a	O
physical	O
and	O
electrical	O
specification	O
for	O
an	O
x86-style	O
CPU	B-General_Concept
socket	O
on	O
a	O
personal	O
computer	B-Device
motherboard	I-Device
.	O
</s>
<s>
The	O
socket	O
supersedes	O
the	O
earlier	O
Socket	B-General_Concept
5	I-General_Concept
,	O
and	O
accepts	O
P5	B-General_Concept
Pentium	B-Device
microprocessors	B-Architecture
manufactured	O
by	O
Intel	O
,	O
as	O
well	O
as	O
compatibles	O
made	O
by	O
Cyrix/IBM	O
,	O
AMD	O
,	O
IDT	O
and	O
others	O
.	O
</s>
<s>
Socket	B-General_Concept
7	I-General_Concept
was	O
the	O
only	O
socket	O
that	O
supported	O
a	O
wide	O
range	O
of	O
CPUs	O
from	O
different	O
manufacturers	O
and	O
a	O
wide	O
range	O
of	O
speeds	O
.	O
</s>
<s>
Differences	O
between	O
Socket	B-General_Concept
5	I-General_Concept
and	O
Socket	B-General_Concept
7	I-General_Concept
are	O
that	O
Socket	B-General_Concept
7	I-General_Concept
has	O
an	O
extra	O
pin	O
and	O
is	O
designed	O
to	O
provide	O
dual	O
split	O
rail	O
voltage	O
,	O
as	O
opposed	O
to	O
Socket	B-General_Concept
5	I-General_Concept
's	O
single	O
voltage	O
.	O
</s>
<s>
However	O
,	O
not	O
all	O
motherboard	B-Device
manufacturers	O
supported	O
the	O
dual	O
voltage	O
on	O
their	O
boards	O
initially	O
.	O
</s>
<s>
Socket	B-General_Concept
7	I-General_Concept
is	O
backwards	B-General_Concept
compatible	I-General_Concept
;	O
a	O
Socket	B-General_Concept
5	I-General_Concept
CPU	B-General_Concept
can	O
be	O
inserted	O
and	O
used	O
on	O
a	O
Socket	B-General_Concept
7	I-General_Concept
motherboard	B-Device
.	O
</s>
<s>
Processors	O
that	O
used	O
Socket	B-General_Concept
7	I-General_Concept
are	O
the	O
AMD	O
K5	O
and	O
K6	B-Architecture
,	O
the	O
Cyrix	B-General_Concept
6x86	I-General_Concept
and	O
6x86MX	B-General_Concept
,	O
the	O
IDT	B-Device
WinChip	I-Device
,	O
the	O
Intel	B-General_Concept
P5	I-General_Concept
Pentium	B-Device
(	O
2.5	O
–	O
3.5V	O
,	O
75	O
–	O
200MHz	O
)	O
,	O
the	O
Pentium	B-Device
MMX	O
(	O
166	O
–	O
233MHz	O
)	O
,	O
and	O
the	O
Rise	O
Technology	O
mP6	B-General_Concept
.	O
</s>
<s>
Socket	B-General_Concept
7	I-General_Concept
typically	O
uses	O
a	O
321-pin	O
(	O
arranged	O
as	O
19	O
by	O
19	O
pins	O
)	O
SPGA	B-Algorithm
ZIF	B-General_Concept
socket	I-General_Concept
or	O
the	O
very	O
rare	O
296-pin	O
(	O
arranged	O
as	O
37	O
by	O
37	O
pins	O
)	O
SPGA	B-Algorithm
LIF	B-Algorithm
socket	O
.	O
</s>
<s>
An	O
extension	O
of	O
Socket	B-General_Concept
7	I-General_Concept
,	O
Super	O
Socket	B-General_Concept
7	I-General_Concept
,	O
was	O
developed	O
by	O
AMD	O
for	O
their	O
K6-2	O
and	O
K6-III	B-Architecture
processors	O
to	O
operate	O
at	O
a	O
higher	O
clock	O
rate	O
and	O
use	O
AGP	B-Architecture
.	O
</s>
<s>
Socket	B-General_Concept
7	I-General_Concept
and	O
Socket	B-Device
8	I-Device
were	O
replaced	O
by	O
Slot	B-Device
1	I-Device
and	O
Slot	B-Device
2	I-Device
in	O
1999	O
.	O
</s>
