<s>
The	O
VAX	B-Device
7000	I-Device
and	I-Device
VAX	I-Device
10000	I-Device
are	O
a	O
discontinued	O
family	O
of	O
high-end	O
multiprocessor	B-Operating_System
minicomputers	B-Architecture
developed	O
and	O
manufactured	O
by	O
Digital	O
Equipment	O
Corporation	O
(	O
DEC	O
)	O
,	O
introduced	O
in	O
July	O
1992	O
.	O
</s>
<s>
These	O
systems	O
use	O
NVAX	B-Device
microprocessors	B-Architecture
implementing	O
the	O
VAX	B-Device
instruction	B-General_Concept
set	I-General_Concept
architecture	I-General_Concept
,	O
and	O
run	O
the	O
OpenVMS	B-Operating_System
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
They	O
were	O
designed	O
in	O
parallel	O
with	O
the	O
DEC	B-Device
7000	I-Device
AXP	I-Device
and	I-Device
DEC	I-Device
10000	I-Device
AXP	I-Device
server	B-Application
computers	I-Application
,	O
and	O
were	O
identical	O
except	O
for	O
the	O
CPU	O
modules	O
used	O
and	O
the	O
supported	O
I/O	O
bus	O
interfaces	O
.	O
</s>
<s>
Digital	O
intended	O
customers	O
of	O
the	O
VAX	B-Device
7000/10000	I-Device
to	O
eventually	O
upgrade	O
to	O
the	O
Alpha-based	O
configuration	O
,	O
the	O
AXPs	O
,	O
by	O
simply	O
swapping	O
the	O
VAX-based	O
CPU	O
module(s )	O
for	O
those	O
based	O
on	O
the	O
Alpha	O
.	O
</s>
<s>
There	O
were	O
three	O
models	O
of	O
the	O
VAX	B-Device
7000	I-Device
.	O
</s>
<s>
It	O
supported	O
one	O
to	O
four	O
90.91MHz	O
(	O
11	O
ns	O
cycle	O
time	O
)	O
NVAX+	B-Device
microprocessors	B-Architecture
,	O
with	O
the	O
value	O
of	O
"	O
x	O
"	O
being	O
1	O
to	O
4	O
.	O
</s>
<s>
It	O
supported	O
one	O
to	O
six	O
137.5MHz	O
NV5	B-Device
(	O
also	O
known	O
as	O
NVAX++	B-Device
)	O
microprocessors	B-Architecture
,	O
with	O
the	O
value	O
of	O
"	O
x	O
"	O
being	O
1	O
to	O
6	O
.	O
</s>
<s>
The	O
Model	O
8x0	O
,	O
code-named	O
"	O
Laser/Krypton	O
+	O
"	O
,	O
supported	O
one	O
to	O
six	O
170.9MHz	O
NV5	B-Device
microprocessors	B-Architecture
,	O
with	O
the	O
value	O
of	O
"	O
x	O
"	O
being	O
1	O
to	O
6	O
.	O
</s>
<s>
The	O
VAX	B-Device
10000	I-Device
was	O
essentially	O
a	O
larger	O
configuration	O
of	O
the	O
VAX	B-Device
7000	I-Device
.	O
</s>
<s>
Both	O
shared	O
the	O
same	O
System	O
Cabinet	O
,	O
but	O
the	O
VAX	B-Device
10000	I-Device
was	O
configured	O
as	O
standard	O
with	O
one	O
Expander	O
Cabinet	O
housing	O
storage	O
devices	O
,	O
and	O
one	O
Battery	O
Cabinet	O
housing	O
an	O
uninterruptible	O
power	O
supply	O
.	O
</s>
<s>
These	O
were	O
optional	O
for	O
a	O
VAX	B-Device
7000	I-Device
system	O
.	O
</s>
<s>
There	O
was	O
one	O
model	O
of	O
the	O
VAX	B-Device
10000	I-Device
,	O
the	O
Model	O
6x0	O
.	O
</s>
<s>
Code-named	O
"	O
Blazer/Neon	O
"	O
,	O
it	O
supported	O
one	O
to	O
four	O
90.91MHz	O
(	O
11	O
ns	O
)	O
NVAX+	B-Device
microprocessors	B-Architecture
,	O
with	O
the	O
value	O
of	O
"	O
x	O
"	O
being	O
1	O
to	O
4	O
.	O
</s>
<s>
The	O
initial	O
Model	O
600	O
used	O
the	O
KA7AA	O
CPU	O
module	O
,	O
which	O
contained	O
a	O
90.91MHz	O
(	O
11	O
ns	O
cycle	O
time	O
)	O
NVAX+	B-Device
microprocessor	B-Architecture
with	O
4MB	O
of	O
B-cache	O
(	O
L2	B-General_Concept
cache	I-General_Concept
)	O
.	O
</s>
<s>
Later	O
,	O
the	O
clock	O
frequency	O
of	O
microprocessor	B-Architecture
featured	O
was	O
increased	O
.	O
</s>
<s>
The	O
Model	O
700	O
used	O
the	O
KA7AB	O
CPU	O
module	O
containing	O
a	O
133.33MHz	O
(	O
7.5	O
ns	O
cycle	O
time	O
)	O
NVAX++	B-Device
,	O
and	O
the	O
Model	O
800	O
used	O
the	O
KA7AC	O
CPU	O
module	O
featuring	O
a	O
170.9MHz	O
NVAX++	B-Device
.	O
</s>
<s>
The	O
CPU	O
modules	O
had	O
two	O
LEVI	O
gate	O
arrays	O
which	O
interfaced	O
the	O
microprocessor	B-Architecture
to	O
the	O
Laser	O
System	O
Bus	O
,	O
the	O
system	O
bus	O
.	O
</s>
<s>
The	O
VAX	B-Device
7000/10000	I-Device
supported	O
a	O
maximum	O
of	O
3.5GB	O
of	O
memory	O
.	O
</s>
<s>
This	O
was	O
a	O
limitation	O
of	O
the	O
VAX	B-Device
architecture	O
,	O
which	O
had	O
32-bit	O
addressing	O
.	O
</s>
