<s>
The	O
MultiProcessor	B-Device
Specification	I-Device
(	O
MPS	O
)	O
for	O
the	O
x86	B-Operating_System
architecture	I-Operating_System
is	O
an	O
open	O
standard	O
describing	O
enhancements	O
to	O
both	O
operating	B-General_Concept
systems	I-General_Concept
and	O
firmware	B-Application
,	O
which	O
will	O
allow	O
them	O
to	O
work	O
with	O
x86-compatible	O
processors	O
in	O
a	O
multi-processor	B-Operating_System
configuration	O
.	O
</s>
<s>
MPS	O
covers	O
Advanced	B-Device
Programmable	I-Device
Interrupt	I-Device
Controller	I-Device
(	O
APIC	O
)	O
architectures	O
.	O
</s>
<s>
The	O
Linux	B-Operating_System
kernel	I-Operating_System
and	O
FreeBSD	B-Operating_System
are	O
known	O
to	O
support	O
the	O
Intel	O
MPS	O
.	O
</s>
<s>
Windows	B-Device
NT	I-Device
are	O
known	O
to	O
support	O
MPS	O
1.1	O
and	O
Windows	B-Application
2000	I-Application
or	O
higher	O
are	O
known	O
to	O
support	O
MPS	O
1.4	O
.	O
</s>
<s>
OS/2	B-Application
are	O
known	O
to	O
support	O
MPS	O
1.1	O
only	O
.	O
</s>
<s>
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
are	O
known	O
to	O
support	O
MPS	O
1.4	O
only	O
.	O
</s>
<s>
Since	O
most	O
newer	O
machines	O
support	O
Advanced	B-Device
Configuration	I-Device
and	I-Device
Power	I-Device
Interface	I-Device
(	O
ACPI	B-Device
)	O
which	O
subsumes	O
the	O
MPS	O
functionality	O
,	O
MPS	O
has	O
for	O
the	O
most	O
part	O
been	O
supplanted	O
by	O
ACPI	B-Device
.	O
</s>
<s>
MPS	O
can	O
still	O
be	O
useful	O
on	O
machines	O
or	O
with	O
operating	B-General_Concept
systems	I-General_Concept
that	O
do	O
not	O
support	O
ACPI	B-Device
.	O
</s>
