<s>
Xerox	B-Device
Daybreak	I-Device
(	O
also	O
Xerox	B-Device
6085	I-Device
PCS	O
,	O
Xerox	B-Device
1186	I-Device
)	O
is	O
a	O
workstation	B-Device
computer	I-Device
marketed	O
by	O
Xerox	O
from	O
1985	O
to	O
1989	O
.	O
</s>
<s>
It	O
was	O
sold	O
as	O
the	O
Xerox	B-Device
6085	I-Device
PCS	O
(	O
Professional	O
Computer	O
System	O
)	O
or	O
Viewpoint	O
6085	O
PCS	O
when	O
sold	O
as	O
an	O
office	O
workstation	B-Device
running	O
the	O
Viewpoint	O
system	O
.	O
</s>
<s>
Viewpoint	O
is	O
based	O
on	O
the	O
Star	O
software	O
originally	O
developed	O
for	O
the	O
Xerox	B-Operating_System
Star	I-Operating_System
.	O
</s>
<s>
The	O
6085	O
ran	O
the	O
ViewPoint	O
(	O
later	O
GlobalView	O
)	O
GUI	B-Application
and	O
was	O
used	O
extensively	O
throughout	O
Xerox	O
until	O
being	O
replaced	O
by	O
Suns	O
and	O
PCs	O
.	O
</s>
<s>
The	O
proprietary	O
closed	O
architecture	O
and	O
Xerox	O
's	O
reluctance	O
to	O
release	O
the	O
Mesa	B-Language
development	O
environment	O
for	O
general	O
use	O
stifled	O
any	O
third-party	O
development	O
.	O
</s>
<s>
A	O
fully	O
configured	O
6085	O
came	O
with	O
an	O
80MB	O
hard	B-Device
disk	I-Device
,	O
3.7MB	O
of	O
RAM	B-Architecture
,	O
a	O
5¼-inch	O
floppy	B-Device
disk	I-Device
drive	I-Device
,	O
an	O
Ethernet	O
controller	O
,	O
and	O
a	O
PC	O
emulator	O
card	O
containing	O
an	O
80186	B-Device
CPU	O
.	O
</s>
<s>
The	O
basic	O
system	O
comes	O
with	O
1.1MB	O
of	O
RAM	B-Architecture
and	O
a	O
10MB	O
hard	B-Device
disk	I-Device
.	O
</s>
<s>
The	O
Daybreak	O
was	O
also	O
sold	O
as	O
a	O
Xerox	B-Device
1186	I-Device
workstation	B-Device
when	O
configured	O
as	O
a	O
Lisp	B-Operating_System
machine	I-Operating_System
.	O
</s>
