<s>
The	O
Intel	O
i486SL	B-Device
is	O
the	O
power-saving	O
variant	O
of	O
the	O
i486DX	B-General_Concept
microprocessor	B-Architecture
.	O
</s>
<s>
The	O
i486SL	B-Device
contained	O
all	O
features	O
of	O
the	O
i486DX	B-General_Concept
.	O
</s>
<s>
In	O
addition	O
,	O
the	O
System	B-Architecture
Management	I-Architecture
Mode	I-Architecture
(	O
SMM	O
)	O
(	O
the	O
same	O
mode	O
introduced	O
with	O
i386SL	O
)	O
was	O
included	O
with	O
this	O
processor	O
.	O
</s>
<s>
The	O
system	B-Architecture
management	I-Architecture
mode	I-Architecture
makes	O
it	O
possible	O
to	O
shut	O
down	O
the	O
processor	O
without	O
losing	O
data	O
.	O
</s>
<s>
To	O
achieve	O
this	O
,	O
the	O
processor	O
state	O
is	O
saved	O
in	O
an	O
area	O
of	O
static	O
RAM	O
(	O
SMRAM	B-Architecture
)	O
.	O
</s>
<s>
In	O
mid-1993	O
,	O
Intel	O
incorporated	O
the	O
SMM	O
feature	O
in	O
all	O
its	O
new	O
80486	B-General_Concept
processors	O
and	O
discontinued	O
the	O
SL	O
series	O
.	O
</s>
<s>
Refer	O
to	O
the	O
respective	O
section	O
of	O
the	O
list	O
of	O
Intel	O
microprocessors	B-Architecture
for	O
technical	O
details	O
.	O
</s>
