<s>
The	O
Apple	O
Network	B-Application
Server	I-Application
(	O
ANS	O
)	O
was	O
a	O
line	O
of	O
PowerPC-based	O
server	B-Application
computers	I-Application
designed	O
,	O
manufactured	O
and	O
sold	O
by	O
Apple	O
Computer	O
,	O
Inc	O
.	O
from	O
February	O
1996	O
to	O
April	O
1997	O
.	O
</s>
<s>
It	O
was	O
codenamed	O
"	O
Shiner	O
"	O
and	O
originally	O
consisted	O
of	O
two	O
models	O
,	O
the	O
Network	B-Application
Server	I-Application
500/132	O
(	O
"	O
Shiner	O
LE	O
"	O
,	O
i.e.	O
,	O
"	O
low-end	O
"	O
)	O
and	O
the	O
Network	B-Application
Server	I-Application
700/150	O
(	O
"	O
Shiner	O
HE	O
"	O
,	O
i.e.	O
,	O
"	O
high-end	O
"	O
)	O
,	O
which	O
got	O
a	O
companion	O
model	O
,	O
the	O
Network	B-Application
Server	I-Application
700/200	O
(	O
also	O
"	O
Shiner	O
HE	O
"	O
)	O
with	O
a	O
faster	O
CPU	B-General_Concept
in	O
November	O
1996	O
.	O
</s>
<s>
The	O
machines	O
were	O
not	O
a	O
part	O
of	O
the	O
Apple	B-Device
Macintosh	I-Device
line	O
of	O
computers	O
;	O
they	O
were	O
designed	O
to	O
run	O
IBM	O
's	O
AIX	B-Application
operating	I-Application
system	I-Application
and	O
their	O
ROM	B-Device
specifically	O
prevented	O
booting	O
the	O
classic	B-Application
Mac	I-Application
OS	I-Application
.	O
</s>
<s>
This	O
makes	O
them	O
the	O
last	O
non-Macintosh	O
desktop	O
computers	O
made	O
by	O
Apple	O
to	O
date	O
.	O
</s>
<s>
Apple	O
Network	B-Application
Servers	I-Application
are	O
not	O
to	O
be	O
confused	O
with	O
the	O
Apple	B-Device
Workgroup	I-Device
Servers	I-Device
and	O
the	O
Macintosh	B-Device
Servers	I-Device
,	O
which	O
were	O
Macintosh	B-Device
workstations	O
that	O
shipped	O
with	O
server	B-Application
software	I-Application
and	O
used	O
Mac	B-Application
OS	I-Application
;	O
the	O
sole	O
exception	O
,	O
the	O
Workgroup	B-Device
Server	I-Device
95	I-Device
—	O
a	O
Quadra	O
950	O
with	O
an	O
added	O
SCSI	B-Architecture
controller	O
that	O
shipped	O
with	O
A/UX	B-Operating_System
—	O
was	O
also	O
capable	O
of	O
running	O
Mac	B-Application
OS	I-Application
.	O
</s>
<s>
Apple	O
did	O
not	O
have	O
comparable	O
server	B-Application
hardware	O
in	O
their	O
product	O
lineup	O
again	O
until	O
the	O
introduction	O
of	O
the	O
Xserve	B-Device
in	O
2002	O
.	O
</s>
<s>
CEO	O
Gil	O
Amelio	O
cancelled	O
both	O
Network	B-Application
Server	I-Application
and	O
OpenDoc	B-Application
in	O
the	O
same	O
meeting	O
as	O
it	O
was	O
determined	O
that	O
they	O
were	O
low	O
priorities	O
.	O
</s>
<s>
The	O
Apple	O
Network	B-Application
Server	I-Application
's	O
hardware	O
was	O
supposed	O
to	O
be	O
based	O
on	O
a	O
new	O
logic	B-Device
board	I-Device
design	O
specific	O
to	O
the	O
product	O
.	O
</s>
<s>
During	O
the	O
development	O
of	O
the	O
hardware	O
,	O
Apple	O
abandoned	O
the	O
original	O
mainboard	B-Device
design	O
for	O
unconfirmed	O
reasons	O
.	O
</s>
<s>
In	O
order	O
to	O
move	O
forward	O
and	O
ship	O
the	O
product	O
,	O
Apple	O
made	O
modifications	O
to	O
the	O
Power	B-Device
Macintosh	I-Device
9500	I-Device
logic	B-Device
board	I-Device
and	O
ROM	B-Device
(	O
locking	O
out	O
all	O
Mac	B-Application
OS	I-Application
calls	O
)	O
and	O
ported	O
AIX	B-Application
to	O
the	O
new	O
hardware	O
.	O
</s>
<s>
Whether	O
related	O
to	O
the	O
hardware	O
change	O
or	O
by	O
coincidence	O
,	O
Apple	O
also	O
abandoned	O
its	O
NetWare	B-Operating_System
on	O
PowerPC	B-Architecture
development	O
(	O
codename	O
:	O
Wormhole	O
)	O
at	O
this	O
time	O
.	O
</s>
<s>
The	O
general	O
logic	B-Device
board	I-Device
layout	O
seems	O
to	O
suggest	O
a	O
close	O
relationship	O
with	O
PowerPC-based	O
RS/6000	B-Device
systems	O
by	O
IBM	O
,	O
which	O
also	O
were	O
designed	O
to	O
run	O
AIX	B-Application
.	O
</s>
<s>
On	O
the	O
other	O
hand	O
,	O
many	O
logic	B-Device
board	I-Device
components	O
,	O
especially	O
the	O
Open	B-Architecture
Firmware	I-Architecture
boot	O
ROM	B-Device
,	O
are	O
similar	O
to	O
the	O
"	O
Tsunami	O
"	O
board	O
used	O
in	O
the	O
Power	B-Device
Macintosh	I-Device
9500	I-Device
and	O
some	O
Macintosh	B-Device
clones	I-Device
.	O
</s>
<s>
While	O
the	O
circuit	O
board	O
layout	O
of	O
the	O
Apple	O
Network	B-Application
Server	I-Application
(	O
ANS	O
)	O
may	O
resemble	O
RS/6000	B-Device
systems	O
,	O
logically	O
and	O
physically	O
it	O
is	O
almost	O
identical	O
to	O
a	O
Power	B-Device
Macintosh	I-Device
9500	I-Device
(	O
PM9500	O
)	O
,	O
although	O
running	O
quite	O
different	O
firmware	O
,	O
and	O
which	O
is	O
specific	O
to	O
its	O
unique	O
mission	O
function	O
.	O
</s>
<s>
Starting	O
at	O
the	O
top	O
level	O
bus	O
and	O
working	O
downward	O
in	O
the	O
bus	O
hierarchy	O
,	O
at	O
the	O
top	O
level	O
is	O
the	O
CPU	B-General_Concept
bus	O
with	O
a	O
Hammerhead	O
controller	O
(	O
Apple	O
Part	O
#	O
343S1190	O
)	O
which	O
is	O
also	O
found	O
on	O
the	O
PM9500	O
.	O
</s>
<s>
The	O
CPU	B-General_Concept
,	O
as	O
mentioned	O
,	O
is	O
a	O
PowerPC	B-Architecture
604	O
or	O
604e	O
.	O
</s>
<s>
The	O
CPU	B-General_Concept
bus-to-PCI	O
bus	O
bridges	O
are	O
Bandit	O
controllers	O
(	O
343S0020	O
)	O
.	O
</s>
<s>
Both	O
the	O
ANS	O
and	O
the	O
PM9500	O
have	O
two	O
Bandit	O
controllers	O
and	O
two	O
separate	O
PCI	B-Protocol
busses	O
.	O
</s>
<s>
All	O
devices	O
at	O
the	O
CPU	B-General_Concept
bus	O
level	O
are	O
identical	O
between	O
the	O
ANS	O
and	O
PM9500	O
.	O
</s>
<s>
On	O
both	O
systems	O
the	O
CPU	B-General_Concept
Bus	O
Clock	O
is	O
supplied	O
by	O
the	O
removable	O
CPU	B-General_Concept
card	O
.	O
</s>
<s>
However	O
,	O
on	O
the	O
ANS	O
the	O
clock	O
buffer	O
which	O
splits	O
the	O
System	O
Clock	O
for	O
all	O
the	O
CPU	B-General_Concept
Bus	O
Devices	O
is	O
on	O
the	O
logic	B-Device
board	I-Device
,	O
whereas	O
on	O
the	O
PowerMac	O
9500	O
the	O
clock	O
buffer	O
is	O
on	O
the	O
CPU	B-General_Concept
card	O
.	O
</s>
<s>
However	O
,	O
the	O
memory	O
structure	O
is	O
the	O
same	O
with	O
two	O
banks	O
of	O
DIMM	B-General_Concept
slots	O
and	O
support	O
for	O
memory	O
interleaving	O
when	O
corresponding	O
slots	O
in	O
different	O
banks	O
contain	O
identical	O
memory	O
DIMMs	B-General_Concept
.	O
</s>
<s>
The	O
ANS	O
does	O
have	O
eight	O
memory	O
DIMM	B-General_Concept
slots	O
instead	O
of	O
the	O
PM9500	O
's	O
twelve	O
,	O
but	O
other	O
Hammerhead-based	O
machines	O
such	O
as	O
the	O
PM8500	O
also	O
carry	O
only	O
eight	O
memory	O
DIMM	B-General_Concept
slots	O
.	O
</s>
<s>
On	O
the	O
PCI	B-Protocol
bus	I-Protocol
,	O
as	O
mentioned	O
above	O
,	O
the	O
ANS	O
uses	O
the	O
Bandit	O
PCI	B-Protocol
bridge	I-Protocol
,	O
just	O
as	O
the	O
PM9500	O
does	O
.	O
</s>
<s>
The	O
PCI	B-Protocol
bus	I-Protocol
arbiters	O
are	O
also	O
identical	O
(	O
343S0182	O
)	O
.	O
</s>
<s>
The	O
bus	O
arbiters	O
receive	O
the	O
PCI	B-Protocol
Bus	I-Protocol
Request	O
signals	O
and	O
issue	O
the	O
Bus	O
Grant	O
Signals	O
to	O
the	O
PCI	B-Protocol
slots	I-Protocol
and	O
to	O
the	O
PCI	B-Protocol
bridge	I-Protocol
chips	O
(	O
Bandit	O
)	O
.	O
</s>
<s>
The	O
interrupt	O
manager	O
and	O
logic	B-Device
board	I-Device
IO	O
controller	O
is	O
also	O
the	O
same	O
.	O
</s>
<s>
Grand	O
Central	O
is	O
a	O
device	O
on	O
the	O
PCI	B-Protocol
bus	I-Protocol
.	O
</s>
<s>
At	O
the	O
PCI	B-Protocol
bus	I-Protocol
,	O
ANS	O
parts	O
ways	O
with	O
the	O
PM9500	O
in	O
a	O
few	O
ways	O
.	O
</s>
<s>
The	O
ANS	O
has	O
two	O
53C825A	O
SCSI	B-Architecture
chips	O
with	O
support	O
for	O
Fast	O
&	O
Wide	O
SCSI	B-Architecture
operations	O
,	O
which	O
are	O
not	O
present	O
in	O
the	O
PM9500	O
.	O
</s>
<s>
These	O
each	O
appear	O
as	O
a	O
separate	O
PCI	B-Protocol
device	O
on	O
the	O
PCI	B-Protocol
bus	I-Protocol
.	O
</s>
<s>
The	O
ANS	O
also	O
adds	O
a	O
Cirrus	O
Logic	O
54M30	O
video	O
controller	O
as	O
an	O
additional	O
PCI	B-Protocol
device	O
.	O
</s>
<s>
In	O
all	O
the	O
ANS	O
has	O
three	O
PCI	B-Protocol
devices	O
which	O
the	O
PM9500	O
lacks	O
.	O
</s>
<s>
The	O
ANS	O
's	O
PCI	B-Protocol
slots	I-Protocol
are	O
also	O
organized	O
differently	O
.	O
</s>
<s>
On	O
the	O
PM9500	O
,	O
Grand	O
Central	O
and	O
the	O
first	O
three	O
PCI	B-Protocol
slots	I-Protocol
are	O
supported	O
by	O
Bandit	O
1	O
.	O
</s>
<s>
The	O
remaining	O
three	O
PCI	B-Protocol
slots	I-Protocol
are	O
supported	O
by	O
Bandit	O
2	O
.	O
</s>
<s>
On	O
the	O
ANS	O
,	O
Grand	O
Central	O
,	O
the	O
two	O
53C825A	O
SCSI	B-Architecture
chips	O
,	O
the	O
54M30	O
video	O
controller	O
and	O
the	O
upper	O
two	O
PCI	B-Protocol
slots	I-Protocol
are	O
supported	O
by	O
Bandit	O
1	O
.	O
</s>
<s>
The	O
remaining	O
four	O
PCI	B-Protocol
slots	I-Protocol
are	O
supported	O
by	O
Bandit	O
2	O
.	O
</s>
<s>
Some	O
may	O
find	O
it	O
interesting	O
that	O
this	O
(	O
six	O
devices	O
supported	O
by	O
Bandit	O
1	O
)	O
confirms	O
that	O
the	O
Bandit	O
PCI	B-Protocol
Bridge	I-Protocol
and	O
associated	O
arbiter	O
chip	O
can	O
directly	O
(	O
no	O
PCI-PCI	O
bridge	O
required	O
)	O
support	O
at	O
least	O
six	O
PCI	B-Protocol
devices	O
given	O
proper	O
firmware	O
support	O
.	O
</s>
<s>
Going	O
down	O
further	O
in	O
the	O
hierarchy	O
,	O
the	O
Grand	O
Central	O
chip	O
is	O
a	O
sort	O
of	O
I/O	O
bus	O
for	O
miscellaneous	O
logic	B-Device
board	I-Device
devices	O
.	O
</s>
<s>
Both	O
the	O
ANS	O
and	O
the	O
PM9500	O
use	O
the	O
CURIO	O
chip	O
(	O
AM79C950	O
,	O
custom	O
part	O
from	O
AMD	O
)	O
to	O
support	O
serial	O
ports	O
,	O
a	O
slow	O
(	O
5	O
Mbit/s	O
,	O
53C94/96	O
based	O
)	O
SCSI	B-Architecture
bus	O
and	O
10Mbit/s	O
ethernet	O
.	O
</s>
<s>
The	O
ANS	O
lacks	O
the	O
MESH	O
SCSI	B-Architecture
chip	O
(	O
53CF94/6	O
derived	O
Apple	O
SCSI	B-Architecture
chip	O
)	O
which	O
is	O
present	O
on	O
the	O
PM9600	O
and	O
supports	O
the	O
internal	O
Fast	O
SCSI	B-Architecture
bus	O
.	O
</s>
<s>
On	O
both	O
the	O
Macintosh	B-Device
and	O
the	O
ANS	O
,	O
each	O
PCI	B-Protocol
slot	I-Protocol
contains	O
only	O
one	O
interrupt	O
line	O
(	O
up	O
to	O
four	O
supported	O
in	O
PCI	B-Protocol
spec	O
.	O
)	O
</s>
<s>
The	O
interrupt	O
map	O
is	O
different	O
in	O
the	O
two	O
machines	O
,	O
and	O
this	O
represents	O
the	O
most	O
likely	O
reason	O
why	O
inserting	O
a	O
PM9500	O
or	O
PM9600	O
ROM	B-Device
in	O
an	O
ANS	O
will	O
not	O
allow	O
the	O
machine	O
to	O
boot	O
.	O
</s>
<s>
The	O
ANS	O
500/132	O
uses	O
a	O
PowerPC	B-Architecture
604	O
CPU	B-General_Concept
clocked	O
at	O
132MHz	O
,	O
and	O
the	O
ANS	O
700/150	O
has	O
the	O
same	O
family	O
CPU	B-General_Concept
but	O
clocked	O
at	O
150MHz	O
.	O
</s>
<s>
The	O
ANS	O
700/200	O
features	O
the	O
more	O
advanced	O
PowerPC	B-Architecture
604e	O
clocked	O
at	O
200MHz	O
,	O
with	O
an	O
L1	O
cache	O
of	O
64kB	O
.	O
</s>
<s>
The	O
L2	O
cache	O
of	O
the	O
ANS	O
is	O
mounted	O
on	O
a	O
SIMM	B-General_Concept
,	O
with	O
a	O
standard	O
size	O
of	O
512kB	O
for	O
the	O
500	O
and	O
1MB	O
for	O
the	O
700s	O
.	O
</s>
<s>
The	O
ANS	O
logic	B-Device
board	I-Device
has	O
eight	O
168-pin	O
DIMM	B-General_Concept
parity	B-General_Concept
RAM	I-General_Concept
slots	O
with	O
four	O
of	O
them	O
free	O
(	O
with	O
a	O
maximum	O
amount	O
of	O
512MB	O
of	O
RAM	O
specified	O
)	O
.	O
</s>
<s>
The	O
ANS	O
500/132	O
shipped	O
with	O
32MB	O
of	O
RAM	O
installed	O
(	O
4	O
×	O
8MB	O
60ns	O
parity	O
DIMMs	B-General_Concept
manufactured	O
by	O
IBM	O
)	O
and	O
the	O
ANS	O
700/150	O
and	O
the	O
ANS	O
700/200	O
shipped	O
with	O
48MB	O
(	O
2	O
×	O
16	O
MB	O
60	O
ns	O
+	O
2	O
×	O
8	O
MB	O
parity	O
DIMMs	B-General_Concept
also	O
manufactured	O
by	O
IBM	O
)	O
.	O
</s>
<s>
For	O
all	O
practical	O
purposes	O
,	O
the	O
maximum	O
RAM	O
configuration	O
is	O
4	O
×	O
128	O
MB	O
parity	O
DIMMs	B-General_Concept
(	O
512MB	O
,	O
total	O
)	O
or	O
8	O
×	O
64	O
MB	O
parity	O
DIMMs	B-General_Concept
(	O
also	O
512MB	O
total	O
)	O
.	O
</s>
<s>
This	O
is	O
an	O
absolute	O
restriction	O
built	O
into	O
the	O
machine	O
's	O
ROM-DIMM	O
.	O
</s>
<s>
If	O
even	O
one	O
RAM	O
DIMM	B-General_Concept
is	O
non-parity	O
,	O
then	O
parity	O
checking	O
is	O
turned	O
off	O
for	O
all	O
RAM	O
,	O
in	O
which	O
case	O
70ns	O
RAM	O
DIMMs	B-General_Concept
are	O
acceptable	O
.	O
</s>
<s>
FPM	O
or	O
EDO	O
RAM	O
DIMMs	B-General_Concept
are	O
acceptable	O
,	O
in	O
any	O
order	O
,	O
as	O
the	O
machine	O
treats	O
EDO	O
RAM	O
DIMMs	B-General_Concept
as	O
FPM	O
RAM	O
DIMMs	B-General_Concept
.	O
</s>
<s>
All	O
Network	B-Application
Servers	I-Application
feature	O
an	O
internal	O
two-channel	O
Wide	O
SCSI-2	O
controller	O
(	O
narrow	O
,	O
to	O
the	O
CD-ROM	O
drive	O
,	O
and	O
to	O
any	O
hard	O
drives	O
which	O
have	O
been	O
installed	O
with	O
the	O
Apple	O
accessory	O
Narrow	O
SCSI-2	O
installation	O
kit	O
)	O
,	O
an	O
external	O
25-pin	O
SCSI-1	O
connector	O
and	O
a	O
standard	O
1.44MB	O
"	O
SuperDrive	B-Device
"	O
floppy	O
.	O
</s>
<s>
Six	O
free	O
PCI	B-Protocol
slots	I-Protocol
are	O
available	O
for	O
expansion	O
—	O
parts	O
supported	O
under	O
AIX	B-Application
include	O
two	O
Ethernet	O
cards	O
and	O
a	O
SCSI	B-Architecture
RAID	B-Architecture
card	O
.	O
</s>
<s>
Other	O
ports	O
include	O
one	O
ADB	B-Device
port	I-Device
,	O
two	O
serial	O
ports	O
and	O
one	O
AAUI	B-Protocol
port	O
.	O
</s>
<s>
Unlike	O
all	O
other	O
Apple	O
computers	O
of	O
the	O
era	O
,	O
the	O
ANS	O
uses	O
a	O
VGA	B-Protocol
connector	I-Protocol
for	O
the	O
on-board	O
video	O
;	O
an	O
adapter	O
for	O
Apple	O
displays	O
was	O
included	O
.	O
</s>
<s>
A	O
unique	O
aspect	O
of	O
the	O
Apple	O
Network	B-Application
Servers	I-Application
is	O
their	O
case	O
:	O
It	O
is	O
fully	O
lockable	O
and	O
extremely	O
accessible	O
,	O
it	O
features	O
a	O
small	O
LCD	B-Device
for	O
diagnostics	O
,	O
and	O
its	O
front	O
has	O
seven	O
device	O
slots	O
,	O
with	O
a	O
CD-ROM	O
and	O
one	O
hard	O
drive	O
mounted	O
in	O
them	O
in	O
the	O
standard	O
configuration	O
.	O
</s>
<s>
Additional	O
hot-swappable	O
SCSI	B-Architecture
hard	O
drive	O
modules	O
or	O
a	O
DAT	O
tape	O
streamer	O
can	O
be	O
added	O
to	O
the	O
free	O
slots	O
.	O
</s>
<s>
That	O
means	O
that	O
while	O
it	O
is	O
about	O
the	O
right	O
width	O
for	O
a	O
19-inch	B-Application
rack	I-Application
,	O
it	O
requires	O
at	O
least	O
14	O
rack	O
units	O
in	O
height	O
.	O
</s>
<s>
A	O
third	O
model	O
in	O
a	O
smaller	O
rack-mount	B-Application
case	O
without	O
the	O
large	O
disk	O
array	O
,	O
the	O
Network	B-Application
Server	I-Application
300	O
(	O
code	O
named	O
"	O
Deep	O
Dish	O
"	O
,	O
as	O
in	O
a	O
deep	O
dish	O
pizza	O
)	O
,	O
never	O
got	O
past	O
the	O
prototype	O
stage	O
.	O
</s>
<s>
Also	O
in	O
development	O
but	O
never	O
released	O
were	O
CPU	B-General_Concept
cards	O
featuring	O
two	B-Operating_System
CPUs	I-Operating_System
.	O
</s>
<s>
Power	B-Device
Macintosh	I-Device
9500	I-Device
CPU	B-General_Concept
cards	O
,	O
which	O
were	O
available	O
with	O
dual	O
processors	O
,	O
were	O
not	O
compatible	O
with	O
the	O
ANS	O
.	O
</s>
<s>
The	O
Network	B-Application
Servers	I-Application
were	O
sold	O
exclusively	O
with	O
AIX	B-Application
,	O
in	O
a	O
version	O
called	O
"	O
AIX	B-Application
for	O
Apple	O
Network	B-Application
Servers	I-Application
"	O
with	O
some	O
Apple-specific	O
features	O
,	O
like	O
AppleShare	B-General_Concept
services	O
,	O
added	O
;	O
two	O
revisions	O
,	O
4.1.4	O
and	O
4.1.5	O
,	O
exist	O
.	O
</s>
<s>
Apple	O
's	O
own	O
Unix	B-Application
variant	O
A/UX	B-Operating_System
had	O
already	O
been	O
discontinued	O
and	O
does	O
not	O
support	O
the	O
PowerPC	B-Architecture
.	O
</s>
<s>
Due	O
to	O
their	O
AIX	B-Application
OS	I-Application
and	O
hardware	O
similarities	O
,	O
the	O
Network	B-Application
Servers	I-Application
are	O
mostly	O
binary	B-General_Concept
compatible	I-General_Concept
with	O
the	O
RS/6000	B-Device
series	O
.	O
</s>
<s>
However	O
,	O
applications	O
which	O
rely	O
on	O
early	O
RS/6000	B-Device
'	O
s	O
POWER2	B-General_Concept
processor	O
and	O
Micro	B-Device
Channel	I-Device
bus	O
are	O
incompatible	O
with	O
the	O
ANS	O
's	O
PowerPC	B-Architecture
CPU	B-General_Concept
and	O
PCI	B-Protocol
bus	I-Protocol
.	O
</s>
<s>
During	O
the	O
development	O
of	O
the	O
product	O
,	O
Apple	O
tested	O
alpha	O
versions	O
of	O
Novell	B-Operating_System
NetWare	I-Operating_System
for	O
PowerPC	B-Architecture
.	O
</s>
<s>
Around	O
the	O
same	O
time	O
the	O
hardware	O
changed	O
,	O
the	O
NetWare	B-Operating_System
project	O
ceased	O
to	O
be	O
updated	O
and	O
later	O
was	O
abandoned	O
.	O
</s>
<s>
Apple	O
also	O
tested	O
and	O
produced	O
limited	O
numbers	O
of	O
ROM	B-Device
SIMMs	B-General_Concept
which	O
supported	O
Windows	O
NT	O
for	O
PowerPC	B-Architecture
on	O
the	O
Network	B-Application
Server	I-Application
500	O
and	O
700	O
.	O
</s>
<s>
As	O
an	O
alternative	O
to	O
AIX	B-Application
it	O
is	O
possible	O
,	O
though	O
complicated	O
,	O
to	O
install	O
PowerPC	B-Architecture
Linux	B-Application
or	O
NetBSD	B-Device
on	O
the	O
ANS	O
.	O
</s>
<s>
It	O
is	O
possible	O
,	O
with	O
prototype	O
Macintosh	B-Device
ROMs	O
,	O
to	O
boot	O
an	O
Apple	B-Device
Network	I-Device
Server	I-Device
500	I-Device
or	O
700	O
into	O
Mac	B-Application
OS	I-Application
7.5	O
or	O
later	O
,	O
however	O
Ethernet	O
support	O
was	O
not	O
complete	O
.	O
</s>
<s>
Using	O
an	O
Apple-branded	O
,	O
but	O
DEC	O
"	O
Tulip	O
"	O
Ethernet	O
card	O
and	O
a	O
display	O
card	O
from	O
a	O
9500	O
goes	O
a	O
long	O
way	O
towards	O
achieving	O
Mac	B-Application
OS	I-Application
capability	O
but	O
even	O
this	O
is	O
not	O
assured	O
.	O
</s>
<s>
Yellowdog	O
Linux	B-Application
2.x	O
or	O
3.x	O
is	O
more	O
assured	O
,	O
and	O
NetBSD	B-Device
1.5.x	O
might	O
be	O
even	O
better	O
.	O
</s>
<s>
Major	O
issues	O
remain	O
,	O
such	O
as	O
the	O
dual	O
"	O
Bandit	O
"	O
bus	O
controllers	O
,	O
the	O
proprietary	O
floppy	O
format	O
,	O
and	O
possibly	O
the	O
CD-ROM	O
.	O
</s>
<s>
UW-SCSI	O
hard	O
disks	O
are	O
seldom	O
an	O
issue	O
and	O
Apple	O
even	O
released	O
an	O
U-SCSI	O
(	O
but	O
narrow	O
)	O
hard	O
disk	O
installation	O
kit	O
for	O
the	O
ANS	O
even	O
though	O
an	O
ANS	O
is	O
normally	O
only	O
equipped	O
with	O
UW-SCSI	O
disks	O
.	O
</s>
<s>
,	O
most	O
Apple	O
Network	B-Application
Servers	I-Application
had	O
been	O
removed	O
from	O
service	O
and	O
most	O
had	O
been	O
returned	O
to	O
Apple	O
or	O
sold	O
on	O
the	O
secondary	O
market	O
,	O
either	O
factory	O
remanufactured	O
or	O
as-is	O
,	O
or	O
sent	O
to	O
a	O
recycler	O
and	O
crushed	O
.	O
</s>
<s>
,	O
Apple	O
Network	B-Application
Servers	I-Application
are	O
sometimes	O
seen	O
and	O
sold	O
for	O
over	O
on	O
eBay	O
.	O
</s>
