<s>
ARCS	B-Device
is	O
a	O
firmware	B-Application
bootloader	B-Application
(	O
also	O
known	O
as	O
a	O
PROM	B-General_Concept
console	B-Device
)	O
used	O
in	O
most	O
computers	O
produced	O
by	O
SGI	O
since	O
the	O
beginning	O
of	O
the	O
1990s	O
.	O
</s>
<s>
The	O
ARCS	B-Device
system	O
is	O
loosely	O
compliant	O
with	O
the	O
Advanced	B-Device
RISC	I-Device
Computing	I-Device
(	O
ARC	B-Device
)	O
standard	O
,	O
promulgated	O
by	O
the	O
Advanced	B-Device
Computing	I-Device
Environment	I-Device
consortium	O
in	O
the	O
early	O
1990s	O
.	O
</s>
<s>
In	O
another	O
sense	O
,	O
the	O
ARC	B-Device
standard	O
is	O
based	O
on	O
SGI	O
's	O
ARCS	B-Device
,	O
which	O
was	O
used	O
as	O
a	O
basis	O
for	O
generating	O
the	O
ARC	B-Device
standard	O
itself	O
,	O
although	O
ARC	B-Device
calls	O
for	O
a	O
little-endian	O
system	O
while	O
ARCS	B-Device
system	O
is	O
big-endian	O
on	O
all	O
MIPS-based	O
systems	O
.	O
</s>
<s>
Despite	O
various	O
inconsistencies	O
between	O
the	O
two	O
,	O
both	O
SGI	O
's	O
ARCS	B-Device
implementations	O
and	O
the	O
ARC	B-Device
standard	O
share	O
many	O
commonalities	O
(	O
such	O
as	O
device	O
naming	O
,	O
calling	O
conventions	O
,	O
etc	O
.	O
</s>
<s>
Most	O
of	O
the	O
computers	O
which	O
use	O
the	O
ARCS	B-Device
firmware	B-Application
are	O
based	O
on	O
the	O
MIPS	B-Device
line	O
of	O
microprocessors	B-Architecture
.	O
</s>
<s>
The	O
SGI	B-Device
Visual	I-Device
Workstation	I-Device
series	O
,	O
which	O
is	O
based	O
on	O
the	O
Intel	B-General_Concept
Pentium	I-General_Concept
III	I-General_Concept
,	O
also	O
uses	O
ARCS	B-Device
.	O
</s>
<s>
The	O
Visual	B-Device
Workstation	I-Device
series	O
is	O
the	O
only	O
commercially	O
produced	O
x86-compatible	O
system	O
which	O
used	O
an	O
ARCS	B-Device
firmware	B-Application
,	O
rather	O
than	O
the	O
traditional	O
PC	B-Operating_System
BIOS	I-Operating_System
used	O
in	O
most	O
Intel	O
386-lineage	O
machines	O
.	O
</s>
<s>
A	O
list	O
of	O
product	O
lines	O
which	O
use	O
the	O
ARCS	B-Device
console	B-Device
includes	O
:	O
</s>
