<s>
The	O
Power	B-Device
Macintosh	I-Device
9500	I-Device
(	O
sold	O
as	O
Power	B-Device
Macintosh	I-Device
9515	I-Device
in	O
Europe	O
and	O
Asia	O
)	O
is	O
a	O
personal	B-Device
computer	I-Device
designed	O
,	O
manufactured	O
and	O
sold	O
by	O
Apple	O
Computer	O
from	O
June	O
1995	O
to	O
February	O
1997	O
.	O
</s>
<s>
It	O
is	O
powered	O
by	O
a	O
PowerPC	B-Architecture
604	O
processor	O
,	O
a	O
second-generation	O
PowerPC	B-Architecture
chip	I-Architecture
which	O
is	O
faster	O
than	O
the	O
PowerPC	B-Architecture
601	O
chip	O
used	O
in	O
the	O
Power	B-Device
Macintosh	I-Device
8100	I-Device
.	O
</s>
<s>
The	O
180MP	O
and	O
models	O
,	O
introduced	O
August	O
1996	O
,	O
use	O
the	O
enhanced	O
PowerPC	B-Architecture
604e	O
processor	O
.	O
</s>
<s>
MacWorld	O
Magazine	O
gave	O
the	O
9500	O
a	O
positive	O
review	O
,	O
concluding	O
that	O
it	O
is	O
"	O
not	O
the	O
second-generation	O
Power	B-Device
Mac	I-Device
for	O
the	O
rest	O
of	O
us	O
—	O
it	O
's	O
too	O
pricey	O
....	O
but	O
it	O
is	O
an	O
excellent	O
foundation	O
for	O
a	O
high-end	O
graphics	O
workstation	O
—	O
for	O
color	O
publishing	O
or	O
media	O
production	O
.	O
</s>
<s>
Their	O
benchmarks	O
showed	O
that	O
the	O
9500	O
outperformed	O
the	O
Quadra	B-Device
950	I-Device
when	O
running	O
older	O
Mac	O
software	O
in	O
the	O
Mac	B-Device
68k	I-Device
emulator	I-Device
,	O
posting	O
speeds	O
almost	O
twice	O
as	O
fast	O
as	O
the	O
Quadra	B-Device
900	I-Device
.	O
</s>
<s>
The	O
9500	O
was	O
replaced	O
by	O
the	O
Power	B-Device
Macintosh	I-Device
9600	I-Device
.	O
</s>
<s>
Available	O
were	O
single-processor	O
cards	O
ranging	O
from	O
120	O
to	O
200MHz	O
,	O
and	O
a	O
dual	B-Operating_System
processor	I-Operating_System
card	O
with	O
two	O
180MHz	O
CPUs	O
.	O
</s>
<s>
This	O
is	O
also	O
the	O
first	O
Macintosh	O
to	O
use	O
the	O
PCI	B-Protocol
standard	O
,	O
with	O
six	O
PCI	B-Protocol
slots	I-Protocol
available	O
--	O
one	O
of	O
which	O
must	O
be	O
used	O
for	O
a	O
graphics	B-Device
card	I-Device
.	O
</s>
<s>
Users	O
can	O
purchase	O
their	O
own	O
PCI	B-Protocol
graphics	B-Device
card	I-Device
or	O
opt	O
for	O
Apple	O
's	O
64-bit	O
accelerated	O
PCI	B-Protocol
video	B-Device
board	I-Device
with	O
2	O
MB	O
of	O
VRAM	O
as	O
an	O
optional	O
accessory.	O
"	O
</s>
<s>
The	O
9500	O
is	O
also	O
the	O
first	O
computer	O
from	O
Apple	O
to	O
support	O
168-pin	O
DIMM	B-General_Concept
memory	O
modules	O
,	O
and	O
the	O
512	O
KB	O
of	O
on-board	O
128-bit-wide	O
cache	O
utilizes	O
copy-back	O
instead	O
of	O
write-through	O
,	O
offering	O
faster	O
speeds	O
than	O
prior	O
Macintosh	O
models	O
,	O
as	O
well	O
as	O
the	O
ability	O
to	O
install	O
single	O
modules	O
.	O
</s>
<s>
The	O
logic	B-Device
board	I-Device
has	O
a	O
total	O
of	O
12	O
memory	O
slots	O
;	O
like	O
the	O
Power	B-Device
Macintosh	I-Device
8100	I-Device
,	O
installing	O
memory	O
requires	O
removing	O
the	O
logic	B-Device
board	I-Device
from	O
the	O
case	O
.	O
</s>
<s>
When	O
it	O
was	O
introduced	O
,	O
64	O
MB	O
DIMMs	B-General_Concept
were	O
the	O
largest	O
available	O
on	O
the	O
market	O
,	O
making	O
for	O
a	O
maximum	O
memory	O
limit	O
of	O
768	O
MB	O
.	O
</s>
<s>
Companies	O
like	O
Advantage	O
Memory	O
were	O
selling	O
DIMMs	B-General_Concept
of	O
this	O
size	O
for	O
$	O
3,900	O
USD	O
each	O
.	O
</s>
<s>
128	O
MB	O
DIMMs	B-General_Concept
were	O
introduced	O
later	O
in	O
1995	O
,	O
offering	O
a	O
theoretical	O
limit	O
of	O
1.5	O
GB	O
memory	O
,	O
though	O
System	B-Operating_System
7.5.2	I-Operating_System
is	O
unable	O
to	O
use	O
more	O
than	O
1	O
GB	O
of	O
memory	O
.	O
</s>
<s>
Some	O
other	O
firsts	O
for	O
a	O
Macintosh	O
include	O
a	O
regular	O
10BASE-T	B-Protocol
ethernet	I-Protocol
port	I-Protocol
alongside	O
the	O
AAUI	B-Protocol
port	O
,	O
as	O
well	O
as	O
support	O
for	O
the	O
new	O
SCSI-2	O
Fast	O
standard	O
,	O
and	O
a	O
4X	O
CD-ROM	O
.	O
</s>
<s>
The	O
basic	O
design	O
of	O
the	O
logic	B-Device
board	I-Device
,	O
called	O
"	O
Tsunami	O
"	O
,	O
was	O
used	O
by	O
various	O
Macintosh	B-Device
clone	I-Device
makers	O
as	O
a	O
reference	O
design	O
and	O
a	O
modified	O
version	O
was	O
used	O
in	O
the	O
non-Macintosh	O
Apple	B-Device
Network	I-Device
Server	I-Device
series	O
.	O
</s>
<s>
Utilizing	O
a	O
third-party	O
G4	O
CPU	O
upgrade	O
and	O
the	O
XPostFacto	B-Application
installation	O
utility	O
it	O
is	O
possible	O
to	O
run	O
up	O
to	O
Mac	B-Application
OS	I-Application
X	I-Application
v10.5	I-Application
"	O
Leopard	B-Application
"	O
on	O
a	O
9500	O
,	O
making	O
it	O
the	O
oldest	O
model	O
capable	O
of	O
running	O
Mac	O
OS	O
X	O
.	O
</s>
<s>
Included	O
as	O
standard	O
with	O
all	O
models	O
are	O
16	O
MB	O
RAM	O
,	O
1	O
GB	O
HDD	O
,	O
and	O
AppleCD	B-Device
600i	I-Device
4x	O
CD-ROM	O
.	O
</s>
<s>
Power	O
Macintosh	O
9500/180MP	O
:	O
Two	O
180	O
MHz	O
PowerPC	B-Architecture
604e	O
CPUs	O
,	O
16	O
or	O
32	O
MB	O
RAM	O
,	O
2	O
GB	O
HDD	O
,	O
AppleCD	B-Device
1200i	O
8x	O
CD-ROM	O
.	O
</s>
<s>
Power	B-Device
Macintosh	I-Device
9500/200	I-Device
:	O
16	O
or	O
32	O
MB	O
RAM	O
,	O
2	O
GB	O
HDD	O
,	O
AppleCD	B-Device
1200i	O
8x	O
CD-ROM	O
.	O
</s>
