<s>
The	O
Ultra	B-Architecture
30	I-Architecture
(	O
code-named	O
Quark	O
)	O
is	O
a	O
family	O
of	O
Sun	O
Microsystems	O
workstations	B-Device
based	O
on	O
the	O
UltraSPARC	B-General_Concept
II	I-General_Concept
microprocessor	B-Architecture
.	O
</s>
<s>
It	O
was	O
the	O
first	O
Sun	O
workstation	B-Device
to	O
use	O
the	O
industry-standard	O
PCI	B-Protocol
bus	I-Protocol
instead	O
of	O
Sun	O
's	O
proprietary	O
SBus	B-Architecture
,	O
and	O
is	O
a	O
member	O
of	O
the	O
Sun	B-Device
Ultra	I-Device
series	I-Device
.	O
</s>
<s>
It	O
launched	O
in	O
July	O
1997	O
and	O
shipped	O
with	O
Solaris	B-Application
2.6	O
.	O
</s>
<s>
The	O
Ultra	B-Architecture
30	I-Architecture
reached	O
its	O
end-of-life	O
in	O
May	O
1999	O
.	O
</s>
<s>
The	O
Ultra	B-Architecture
30	I-Architecture
ran	O
off	O
of	O
a	O
single	O
UltraSPARC	B-General_Concept
II	I-General_Concept
CPU	O
;	O
however	O
,	O
it	O
was	O
only	O
compatible	O
with	O
two	O
models	O
:	O
the	O
250MHz	O
module	O
(	O
501-4857	O
)	O
and	O
the	O
300MHz	O
module	O
(	O
501-4849	O
)	O
.	O
</s>
<s>
The	O
system	O
supports	O
two	O
Ultra	O
SCSI	B-Architecture
hard	B-Device
drives	I-Device
and	O
16	O
DIMM	B-General_Concept
slots	O
for	O
a	O
maximum	O
of	O
2GB	O
memory	O
capacity	O
.	O
</s>
<s>
The	O
machine	O
also	O
featured	O
four	O
full-sized	O
PCI	B-Protocol
slots	I-Protocol
,	O
two	O
UPA	B-Architecture
slots	O
,	O
two	O
RS-232C/RS	O
-423	O
serial	B-Protocol
ports	I-Protocol
,	O
and	O
100BASE-T	O
Fast	B-Protocol
Ethernet	I-Protocol
.	O
</s>
