<s>
Sun	B-Device
Java	I-Device
Workstation	I-Device
was	O
a	O
line	O
of	O
computer	B-Device
workstations	I-Device
sold	O
by	O
Sun	O
Microsystems	O
from	O
2004	O
to	O
2006	O
,	O
based	O
on	O
the	O
AMD	B-General_Concept
Opteron	I-General_Concept
microprocessor	B-Architecture
family	O
.	O
</s>
<s>
The	O
range	O
supplanted	O
the	O
earlier	O
Sun	B-Architecture
Blade	I-Architecture
workstation	B-Device
line	O
.	O
</s>
<s>
These	O
were	O
the	O
first	O
x86-architecture	O
workstations	B-Device
Sun	O
had	O
produced	O
,	O
other	O
than	O
the	O
short-lived	O
Sun386i	B-Device
in	O
the	O
late	O
1980s	O
.	O
</s>
<s>
Supported	O
operating	B-General_Concept
systems	I-General_Concept
were	O
Solaris	B-Application
,	O
Red	O
Hat	O
Enterprise	O
Linux	O
WS	O
or	O
SUSE	O
Linux	O
Enterprise	O
Server	O
9	O
.	O
</s>
<s>
The	O
Java	B-Device
Workstation	I-Device
name	O
alluded	O
to	O
the	O
workstations	B-Device
being	O
intended	O
to	O
run	O
Sun	O
's	O
Java	B-Language
Desktop	I-Language
System	I-Language
,	O
a	O
GNOME-based	O
desktop	O
environment	O
.	O
</s>
<s>
The	O
Java	B-Device
Workstation	I-Device
series	O
was	O
replaced	O
by	O
Ultra	B-Device
20	I-Device
and	I-Device
Ultra	I-Device
40	I-Device
workstations	B-Device
from	O
2005	O
onwards	O
.	O
</s>
