<s>
The	O
Compaq	B-Device
Professional	I-Device
Workstation	I-Device
was	O
a	O
family	O
of	O
workstations	B-Device
produced	O
by	O
Compaq	O
.	O
</s>
<s>
Introduced	O
in	O
late	O
October	O
1996	O
,	O
the	O
first	O
entry	O
in	O
the	O
family	O
featured	O
single	O
or	O
dual	O
Pentium	B-Device
Pro	I-Device
processors	O
.	O
</s>
<s>
Later	O
entries	O
featured	O
Pentium	B-General_Concept
IIs	I-General_Concept
and	O
IIIs	B-General_Concept
;	O
the	O
XP1000	O
was	O
the	O
only	O
non-x86	O
based	O
entry	O
,	O
featuring	O
a	O
DEC	B-Device
Alpha	I-Device
processor	O
.	O
</s>
<s>
Compaq	O
aimed	O
the	O
Professional	O
Workstation	B-Device
at	O
computer-aided	B-Application
design	I-Application
users	O
,	O
software	B-Application
programmers	I-Application
,	O
multimedia	O
designers	O
and	O
financial	O
workers	O
.	O
</s>
<s>
While	O
workers	O
of	O
those	O
fields	O
primarily	O
ran	O
Unix-based	O
operating	O
systems	O
on	O
workstations	B-Device
at	O
the	O
time	O
,	O
the	O
Compaq	B-Device
Professional	I-Device
Workstation	I-Device
came	O
preinstalled	O
with	O
Windows	O
NT	O
4.0	O
Workstation	B-Device
(	O
later	O
Windows	O
2000	O
Professional	O
)	O
.	O
</s>
