<s>
Common	B-Device
Hardware	I-Device
Reference	I-Device
Platform	I-Device
(	O
CHRP	O
)	O
is	O
a	O
standard	O
system	B-Architecture
architecture	I-Architecture
for	O
PowerPC-based	O
computer	O
systems	O
published	O
jointly	O
by	O
IBM	O
and	O
Apple	O
in	O
1995	O
.	O
</s>
<s>
Like	O
its	O
predecessor	O
PReP	B-Device
,	O
it	O
was	O
conceptualized	O
as	O
a	O
design	O
to	O
allow	O
various	O
operating	O
systems	O
to	O
run	O
on	O
an	O
industry	O
standard	O
hardware	O
platform	O
,	O
and	O
specified	O
the	O
use	O
of	O
Open	B-Architecture
Firmware	I-Architecture
and	O
RTAS	B-Device
for	O
machine	O
abstraction	O
purposes	O
.	O
</s>
<s>
Unlike	O
PReP	B-Device
,	O
CHRP	O
incorporated	O
elements	O
of	O
the	O
Power	B-Device
Macintosh	I-Device
architecture	O
and	O
was	O
intended	O
to	O
support	O
the	O
classic	B-Application
Mac	I-Application
OS	I-Application
and	O
NetWare	B-Operating_System
,	O
in	O
addition	O
to	O
the	O
four	O
operating	O
systems	O
that	O
had	O
been	O
ported	O
to	O
PReP	B-Device
at	O
the	O
time	O
(	O
Windows	B-Device
NT	I-Device
,	O
OS/2	B-Application
,	O
Solaris	B-Application
,	O
and	O
AIX	B-Application
)	O
.	O
</s>
<s>
The	O
only	O
systems	O
to	O
ship	O
with	O
actual	O
CHRP	O
hardware	O
are	O
certain	O
members	O
of	O
IBM	O
's	O
RS/6000	B-Device
series	O
running	O
AIX	B-Application
,	O
and	O
small	O
amount	O
of	O
Motorola	O
PowerStack	O
workstations	O
.	O
</s>
<s>
Mac	B-Application
OS	I-Application
8	O
contains	O
support	O
for	O
CHRP	O
and	O
New	B-Device
World	I-Device
Power	B-Device
Macintosh	I-Device
computers	O
are	O
partially	O
based	O
on	O
CHRP	O
and	O
PReP	B-Device
.	O
</s>
<s>
Power.org	O
has	O
a	O
new	O
Power	B-Device
Architecture	I-Device
Platform	I-Device
Reference	I-Device
(	O
PAPR	O
)	O
that	O
provides	O
the	O
foundation	O
for	O
development	O
of	O
Power	O
ISA-based	O
computers	O
running	O
the	O
Linux	O
operating	O
system	O
.	O
</s>
