<s>
AlphaServer	B-Device
is	O
a	O
series	O
of	O
server	B-Application
computers	I-Application
,	O
produced	O
from	O
1994	O
onwards	O
by	O
Digital	O
Equipment	O
Corporation	O
,	O
and	O
later	O
by	O
Compaq	O
and	O
HP	O
.	O
</s>
<s>
AlphaServers	B-Device
were	O
based	O
on	O
the	O
DEC	B-Device
Alpha	I-Device
64-bit	B-Device
microprocessor	B-Architecture
.	O
</s>
<s>
Supported	O
operating	B-General_Concept
systems	I-General_Concept
for	O
AlphaServers	B-Device
are	O
Tru64	B-Operating_System
UNIX	I-Operating_System
(	O
formerly	O
Digital	B-Operating_System
UNIX	I-Operating_System
)	O
,	O
OpenVMS	B-Operating_System
,	O
MEDITECH	O
MAGIC	O
and	O
Windows	B-Device
NT	I-Device
(	O
on	O
earlier	O
systems	O
,	O
with	O
AlphaBIOS	B-Device
ARC	B-Device
firmware	O
)	O
,	O
while	O
enthusiasts	O
have	O
provided	O
alternative	O
operating	B-General_Concept
systems	I-General_Concept
such	O
as	O
Linux	B-Application
,	O
NetBSD	B-Device
,	O
OpenBSD	B-Operating_System
and	O
FreeBSD	B-Operating_System
.	O
</s>
<s>
The	O
Alpha	B-Device
processor	I-Device
was	O
also	O
used	O
in	O
a	O
line	O
of	O
workstations	B-Device
,	O
AlphaStation	B-Device
.	O
</s>
<s>
Some	O
AlphaServer	B-Device
models	O
were	O
rebadged	O
in	O
white	O
enclosures	O
as	O
Digital	O
Servers	O
for	O
the	O
Windows	B-Device
NT	I-Device
server	I-Device
market	O
.	O
</s>
<s>
As	O
part	O
of	O
the	O
roadmap	O
to	O
phase	O
out	O
Alpha-	O
,	O
MIPS	B-Device
-	O
and	O
PA-RISC-based	O
systems	O
in	O
favor	O
of	O
Itanium-based	O
systems	O
at	O
HP	O
,	O
the	O
most	O
recent	O
AlphaServer	B-Device
systems	O
reached	O
their	O
end	O
of	O
general	O
availability	O
on	O
27	O
April	O
2007	O
.	O
</s>
<s>
Support	O
for	O
the	O
most	O
recent	O
AlphaServer	B-Device
systems	O
,	O
the	O
DS15A	O
,	O
DS25	O
,	O
ES45	O
,	O
ES47	O
,	O
ES80	O
and	O
GS1280	O
is	O
being	O
provided	O
by	O
HP	O
Services	O
as	O
of	O
2008	O
.	O
</s>
<s>
In	O
approximate	O
chronological	O
order	O
,	O
the	O
following	O
AlphaServer	B-Device
models	O
were	O
produced	O
:	O
</s>
<s>
Memory	O
Expansion	O
Enclosure	O
Introduced	O
Discontinued	O
200	O
4/100	O
Mustang	O
1	O
21064	B-General_Concept
(	O
EV4	O
)	O
100	O
512	O
KB	O
21071	O
8	O
to	O
384	O
MB	O
1	O
PCI	B-Protocol
1	O
or	O
2	O
PCI/ISA	O
1	O
ISA	O
Desktop	O
?	O
</s>
<s>
4/233	O
21064A	B-General_Concept
(	O
EV45	O
)	O
233	O
?	O
</s>
<s>
400	O
4/166	O
Mustang	O
S	O
1	O
21064	B-General_Concept
(	O
EV4	O
)	O
166	O
512	O
KB	O
21071	O
8	O
to	O
384	O
MB	O
(	O
6x	O
72-pin	O
SIMMs	O
,	O
3	O
banks	O
)	O
2	O
PCI	B-Protocol
1	O
PCI/ISA	O
3	O
ISA	O
Mini-tower	O
?	O
</s>
<s>
4/233	O
21064A	B-General_Concept
(	O
EV45	O
)	O
233	O
?	O
</s>
<s>
300	O
4/266	O
Melmac	O
1	O
21064A	B-General_Concept
(	O
EV45	O
)	O
266	O
2	O
MB	O
?	O
</s>
<s>
512	O
MB	O
(	O
8x	O
72-pin	O
SIMMs	O
,	O
2	O
banks	O
)	O
1	O
PCI	B-Protocol
1	O
PCI/ISA	O
1	O
ISA	O
Desktop	O
or	O
Rack	B-Application
?	O
</s>
<s>
Model	O
Code	O
name	O
#	O
of	O
CPUs	O
CPU	O
CPU	O
MHz	O
B-cache	O
Chipset	O
Memory	O
Expansion	O
Enclosure	O
Introduced	O
Discontinued	O
2100	O
4/200	O
Sable	O
1	O
,	O
2	O
,	O
3	O
or	O
4	O
21064	B-General_Concept
(	O
EV4	O
)	O
200	O
1	O
MB	O
/	O
CPU	O
?	O
</s>
<s>
2	O
GB	O
(	O
1	O
GB	O
if	O
4	O
CPU	O
)	O
3	O
PCI	B-Protocol
,	O
8	O
EISA	B-Device
Pedestal	O
or	O
rack	B-Application
?	O
</s>
<s>
4/233	O
Sable45	O
21064A	B-General_Concept
(	O
EV45	O
)	O
233	O
1	O
MB	O
/	O
CPU	O
?	O
</s>
<s>
5/250	O
Gamma-Sable	O
21164	B-General_Concept
(	O
EV5	O
)	O
250	O
4	O
MB	O
/	O
CPU	O
?	O
</s>
<s>
5/375	O
21164A	B-General_Concept
(	O
EV56	B-General_Concept
)	O
375	O
?	O
</s>
<s>
2000	O
4/200	O
Demi-Sable	O
1	O
or	O
2	O
21064	B-General_Concept
EV4	O
190	O
1	O
MB	O
/	O
CPU	O
?	O
</s>
<s>
640	O
MB	O
3	O
PCI	B-Protocol
,	O
7	O
EISA	B-Device
,	O
1	O
PCI/EISA	O
Pedestal	O
?	O
</s>
<s>
4/233	O
Demi-Sable45	O
21064A	B-General_Concept
(	O
EV45	O
)	O
233	O
1	O
MB	O
/	O
CPU	O
?	O
</s>
<s>
1	O
GB	O
3	O
PCI	B-Protocol
,	O
7	O
EISA	B-Device
?	O
</s>
<s>
5/250	O
Demi-Gamma	O
21164	B-General_Concept
(	O
EV5	O
)	O
250	O
4	O
MB	O
/	O
CPU	O
?	O
</s>
<s>
5/375	O
21164A	B-General_Concept
(	O
EV56	B-General_Concept
)	O
375	O
4	O
or	O
8	O
MB	O
/	O
CPU	O
?	O
</s>
<s>
The	O
AlphaServer	B-Device
2100	O
was	O
briefly	O
sold	O
as	O
the	O
Digital	O
2100	O
before	O
the	O
AlphaServer	B-Device
brand	O
was	O
introduced	O
.	O
</s>
<s>
Model	O
Code	O
name	O
#	O
of	O
CPUs	O
CPU	O
CPU	O
MHz	O
B-cache	O
Chipset	O
Memory	O
Expansion	O
Enclosure	O
Introduced	O
Discontinued	O
1000	O
4/200	O
Mikasa	O
1	O
21064	B-General_Concept
(	O
EV4	O
)	O
200	O
2	O
MB	O
?	O
</s>
<s>
512	O
MB2	O
PCI	B-Protocol
,	O
1	O
PCI/EISA	O
,	O
7	O
EISAPedestal	O
or	O
Rack	B-Application
?	O
</s>
<s>
4/233	O
Mikasa+	O
21064A	B-General_Concept
(	O
EV45	O
)	O
233	O
?	O
</s>
<s>
5/300	O
Mikasa-Pinnacle	O
21164	B-General_Concept
(	O
EV5	O
)	O
300	O
?	O
</s>
<s>
Model	O
Code	O
name	O
#	O
of	O
CPUs	O
CPU	O
CPU	O
MHz	O
B-cache	O
Chipset	O
Memory	O
Expansion	O
Enclosure	O
Introduced	O
Discontinued	O
1000A	O
4/233	O
Noritake	O
1	O
21064A	B-General_Concept
(	O
EV45	O
)	O
233	O
2	O
MB	O
?	O
</s>
<s>
1	O
GB	O
(	O
20x	O
72-pin	O
SIMMs	O
,	O
4	O
banks	O
)	O
7	O
PCI	B-Protocol
2	O
ISA	O
Pedestal	O
or	O
Rack	B-Application
?	O
</s>
<s>
5/300	O
Noritake-Pinnacle	O
21164	B-General_Concept
(	O
EV5	O
)	O
300	O
?	O
</s>
<s>
5/400	O
Noritake-Primo	O
21164A	B-General_Concept
(	O
EV56	B-General_Concept
)	O
400	O
?	O
</s>
<s>
800	O
5/333	O
Corelle	O
1	O
21164A	B-General_Concept
(	O
EV56	B-General_Concept
)	O
333	O
2	O
MB	O
?	O
</s>
<s>
2	O
GB	O
(	O
8x	O
ECC	O
EDO	O
DIMMs	O
,	O
2	O
banks	O
)	O
3	O
PCI	B-Protocol
2	O
EISA	B-Device
1	O
PCI-X/EISA	O
Mini-tower	O
(	O
can	O
be	O
converted	O
to	O
Rack	B-Application
)	O
1997-04-14	O
?	O
</s>
<s>
Model	O
Code	O
name	O
#	O
of	O
CPUs	O
CPU	O
CPU	O
MHz	O
B-cache	O
/	O
CPU	O
Chipset	O
Memory	O
Expansion	O
Enclosure	O
Introduced	O
Discontinued	O
4000	O
5/300	O
Wrangler/Durango	O
Up	O
to	O
two	O
21164	B-General_Concept
(	O
EV5	O
)	O
300	O
2	O
MB	O
?	O
</s>
<s>
4	O
GB	O
8-16	O
PCI	B-Protocol
(	O
including	O
3	O
shared	O
PCI/EISA	O
)	O
Pedestal/Rack	O
1996-09-04Davis	O
,	O
Jim	O
(	O
1996-09-04	O
)	O
.	O
</s>
<s>
5/400	O
21164A	B-General_Concept
(	O
EV56	B-General_Concept
)	O
400	O
4	O
MB	O
?	O
</s>
<s>
"	O
Digital	O
has	O
new	O
Alpha	B-Device
,	O
Intel	O
servers	O
"	O
.	O
</s>
<s>
4100	O
5/300E	O
Dodge	O
Up	O
to	O
four	O
21164	B-General_Concept
(	O
EV5	O
)	O
300	O
None	O
Custom	O
32	O
MB	O
to	O
8	O
GB	O
5	O
PCI	B-Protocol
,	O
3	O
PCI/EISA	O
Pedestal/Rack	O
?	O
</s>
<s>
5/400	O
21164A	B-General_Concept
(	O
EV56	B-General_Concept
)	O
400	O
4	O
MB	O
?	O
</s>
<s>
1200	O
5/400	O
Tincup	O
Up	O
to	O
two	O
21164A	B-General_Concept
(	O
EV56	B-General_Concept
)	O
400	O
4	O
MB	O
/	O
proc	O
.	O
</s>
<s>
4	O
GB	O
4	O
PCI-X	O
,	O
1	O
PCI	B-Protocol
,	O
1PCI-X/EISA	O
Pedestal	O
1997-10-27	O
?	O
</s>
<s>
Model	O
Code	O
name	O
#	O
of	O
CPUs	O
CPU	O
CPU	O
MHz	O
B-cache	O
/	O
CPU	O
Chipset	O
Memory	O
Expansion	O
Enclosure	O
Introduced	O
Discontinued82005/300TurboLaser2	O
to	O
6EV53004	O
MB	O
Custom	O
ASICs12	O
GB132	O
PCI	B-Protocol
slots	I-Protocol
,	O
8	O
EISA	B-Device
slots	O
Rack1995-04-11	O
?	O
5/350350	O
?	O
</s>
<s>
?	O
84005/300TurboLaserUp	O
to	O
12	O
(	O
later	O
14	O
)	O
EV53004	O
MB	O
Custom	O
ASICs28	O
GB144	O
PCI	B-Protocol
,	O
8	O
EISA	B-Device
,	O
XMI	O
Cabinet1995-04-11	O
?	O
5/350350	O
?	O
</s>
<s>
?	O
GS606/525TL62	O
to	O
6EV65254	O
MB	O
?	O
12	O
GB132	O
PCI	B-Protocol
,	O
8	O
EISARack1998-10-19Shankland	O
,	O
Stephen	O
(	O
1998-10-19	O
)	O
.	O
</s>
<s>
"	O
Compaq	O
rolls	O
out	O
Alpha	B-Device
server	B-Application
"	O
.	O
</s>
<s>
12	O
GB	O
132	O
PCI	B-Protocol
,	O
8	O
EISA	B-Device
Rack	B-Application
1999-07-19	O
?	O
</s>
<s>
1999-11-11	O
?	O
GS1406/525TL62	O
to	O
14EV65254	O
MB	O
?	O
28	O
GB144	O
PCI	B-Protocol
,	O
8	O
EISA	B-Device
,	O
24	O
XMICabinet1998-10-19	O
?	O
6/700EV677008	O
MB	O
?	O
</s>
<s>
Model	O
Code	O
name	O
#	O
of	O
CPUs	O
CPU	O
CPU	O
MHz	O
B-cache	O
Chipset	O
Memory	O
Expansion	O
Enclosure	O
Introduced	O
Discontinued2000A	O
Demi-Lynx	O
(	O
EV45	O
)	O
,	O
Demi-Gamma-Lynx	O
(	O
EV5	O
)	O
Up	O
to	O
two	O
EV45	O
,	O
EV5	O
or	O
EV56	B-General_Concept
233	O
,	O
250	O
,	O
275	O
,	O
300	O
,	O
375	O
,	O
400	O
?	O
</s>
<s>
2100A	O
4/275	O
Lynx	O
Up	O
to	O
4	O
21064A	B-General_Concept
(	O
EV45	O
)	O
275	O
4	O
MB	O
?	O
</s>
<s>
2	O
GB	O
,	O
1	O
GB	O
for	O
4	O
CPU	O
8	O
PCI	B-Protocol
,	O
3	O
EISA	B-Device
Pedestal	O
?	O
</s>
<s>
5/250	O
Gamma-Lynx	O
21164	B-General_Concept
(	O
EV5	O
)	O
250	O
4	O
MB	O
?	O
</s>
<s>
Model	O
Code	O
name	O
#	O
of	O
CPUs	O
CPU	O
CPU	O
MHz	O
B-cache	O
Chipset	O
Memory	O
Expansion	O
Enclosure	O
Introduced	O
DiscontinuedDS106/466WebBrick1EV64662	O
MB21272	O
(	O
Tsunami	O
)	O
Exploring	O
Alpha	B-Device
Power	O
for	O
Technical	O
Computing	O
Compaq	O
Technology	O
Brief2	O
GB3	O
PCI-X	O
,	O
1	O
PCIdesktop1999-05-10	O
?	O
67/600EV676002	O
MB21272	O
(	O
Tsunami	O
)	O
?	O
</s>
<s>
?	O
DS10L6/466Slate1EV64662	O
MB21272	O
(	O
Tsunami	O
)	O
1	O
GB1	O
PCI-XRack	O
(	O
1U	O
)	O
?	O
</s>
<s>
?	O
6/600EV676002	O
MB21272	O
(	O
Tsunami	O
)	O
2000-04-10Announcing	O
enhanced	O
high	O
availability	O
AlphaServer	B-Device
systems	O
and	O
new	O
NonStop™	O
eBusiness	O
solutions	O
?	O
DS206/500GoldrushUp	O
to	O
221264	O
(	O
EV6	O
)	O
5004	O
MB	O
?	O
4	O
GB5PCI-X	O
,	O
1	O
PCI-X/ISApedestal/Rack1999	O
-01-02New	O
Compaq	O
AlphaServer	B-Device
DS20	O
Boasts	O
64-Bit	B-Device
Alpha	B-Device
Power	O
,	O
Entry-Level	O
PriceCompaq	O
AlphaServer	B-Device
DS20	O
System	O
?	O
DS20E6/500GoldrackUp	O
to	O
2EV65004	O
MB21272	O
(	O
Tsunami	O
)	O
4	O
GB5PCI-X	O
,	O
1	O
PCI-X/ISApedestal/Rack	O
?	O
</s>
<s>
2001-07-16	O
?	O
DS20L68/833Shark2EV68AL8334	O
MB21271(Tsunami )	O
2	O
GB2	O
PCI-X	O
Rack	B-Application
(	O
1U	O
)	O
2001-07-16	O
?	O
ES406/500ClipperUp	O
to	O
4EV65004	O
MB21272( 	O
Tsunami/Typhoon	O
)	O
AlphaServer	B-Device
ES40Service	O
Guide	O
(	O
Order	O
Number:EK	O
–	O
ES240	O
–	O
SV	O
.	O
</s>
<s>
A01	O
)	O
,	O
Appendix	O
D	O
-	O
21264	O
(	O
EV6	O
)	O
internal	O
processor	O
registers	O
,	O
21272	O
(	O
Tsunami/Typhoon	O
)	O
system	O
support	O
chipset	O
registers	O
,	O
dual-port	O
RAM	O
registersModel	O
1	O
:	O
16	O
GBModel	O
2	O
:	O
32	O
GBAlphaServer	O
ES40	O
Technical	O
SummaryModel	O
1	O
:	O
6	O
PCI-XModel	O
2	O
:	O
10	O
PCI-Xpedestal/Rack1999	O
-04-22Announcing	O
the	O
Compaq	O
AlphaServer	B-Device
ES40	O
systemCompaq	O
AlphaServer	B-Device
ES40	O
product	O
information	O
?	O
6/667EV676678	O
MB21272( 	O
Tsunami/Typhoon	O
)	O
AlphaServer	B-Device
ES40	O
Service	O
Guide	O
(	O
Order	O
Number:EK	O
–	O
ES240	O
–	O
SV	O
.	O
</s>
<s>
4	O
GB	O
4	O
PCI-X	O
33	O
MHz	O
or	O
2	O
PCI-X	O
66	O
MHz	O
Tower	O
2003-10-20	O
2007-04-27	O
DS25	O
68/1000	O
Granite	O
Up	O
to	O
2	O
EV68CB	O
1000	O
8	O
MB	O
?	O
</s>
<s>
16	O
GB	O
6	O
PCI-X	O
Tower/5U	O
Rack	B-Application
2002-08-04ComputerWire	O
(	O
2002-08-04	O
)	O
.	O
</s>
<s>
"	O
HP	O
refreshes	O
midrange	O
PA	O
,	O
Alpha	B-Device
servers	O
"	O
.	O
</s>
<s>
1	O
:	O
Up	O
to	O
16	O
GB2	O
:	O
Up	O
to	O
32	O
GB	O
1	O
:	O
AGP	B-Architecture
4x	O
,	O
6	O
PCI-X2	O
:	O
10	O
PCI-X	O
Pedestal/8U	O
Rack	B-Application
,	O
tower	O
?	O
</s>
<s>
Model	O
Code	O
name	O
#	O
of	O
CPUs	O
CPU	O
CPU	O
MHz	O
B-cache	O
Chipset	O
Memory	O
Expansion	O
Enclosure	O
Introduced	O
Discontinued	O
GS80	O
Wildfire	O
Model	O
4	O
:	O
2	O
to	O
4	O
Model	O
8	O
:	O
2	O
to	O
8	O
21264A	B-General_Concept
<br/ >	O
(	O
EV67	O
)	O
731	O
4	O
MB	O
Custom	O
Up	O
to	O
64	O
GB	O
33	O
MHz	O
PCI-X	O
:	O
Up	O
to	O
16	O
buses	O
,	O
56	O
slots	O
Rack	B-Application
2000-05-16New	O
AlphaServer	B-Device
GS	O
Systems	O
Set	O
Standard	O
for	O
RISC	O
Servers	O
Press	O
Release	O
?	O
</s>
<s>
21264C	B-General_Concept
(	O
EV68CB	O
)	O
1001	O
4	O
,	O
8	O
MB	O
?	O
</s>
<s>
GS160	O
Wildfire	O
Model	O
8	O
:	O
2	O
to	O
8	O
Model	O
16	O
:	O
2	O
to	O
16	O
21264A	B-General_Concept
(	O
EV67	O
)	O
731	O
4	O
MB	O
Custom	O
Up	O
to	O
128	O
GB	O
33	O
MHz	O
PCI-X	O
:	O
Up	O
to	O
32	O
buses	O
,	O
112	O
slots	O
Rack(s )	O
2000-05-16	O
?	O
</s>
<s>
21264C	B-General_Concept
(	O
EV68CB	O
)	O
1001	O
4	O
,	O
8	O
MB	O
?	O
</s>
<s>
GS320	O
Wildfire	O
Model	O
24	O
:	O
2	O
to	O
24	O
Model	O
32	O
:	O
2	O
to	O
32	O
21264A	B-General_Concept
(	O
EV67	O
)	O
731	O
4	O
MB	O
Custom	O
Up	O
to	O
256	O
GB	O
33	O
MHz	O
PCI-X	O
:	O
Up	O
to	O
64	O
buses	O
,	O
224	O
slots	O
Rack(s )	O
2000-05-16	O
?	O
</s>
<s>
21264C	B-General_Concept
(	O
EV68CB	O
)	O
1001	O
4	O
,	O
8	O
MB	O
?	O
</s>
<s>
2	O
GB/node	O
2	O
PCI-X	O
Rack(s )	O
2002-05-02Announcing	O
the	O
HP	O
AlphaServer	B-Device
DS20L	O
compute	O
engine	O
and	O
the	O
HP	O
AlphaServer	B-Device
SC20	O
supercomputer	B-Architecture
?	O
</s>
<s>
SC40	O
67/667	O
Sierra	O
64	O
to	O
512	O
21264A	B-General_Concept
EV67	O
667	O
8	O
MB	O
?	O
</s>
<s>
24	O
GB/node	O
10	O
PCI-X	O
Rack(s )	O
1999-11-17Compaq	O
(	O
1999-11-17	O
)	O
.	O
</s>
<s>
Compaq	O
Flexes	O
Alpha	B-Device
Muscle	O
with	O
Launch	O
of	O
New	O
"	O
Supercomputer	B-Architecture
"	O
–	O
the	O
AlphaServer	B-Device
SC	O
Series	O
.	O
</s>
<s>
SC45	O
68/1250	O
Sierra	O
16	O
to	O
4096	O
21264C	B-General_Concept
EV68CB	O
1250	O
16	O
MB	O
?	O
</s>
<s>
32	O
GB/node	O
10	O
PCI-X	O
Rack(s )	O
?	O
</s>
<s>
The	O
AlphaServer	B-Device
SC	O
was	O
a	O
supercomputer	B-Architecture
constructed	O
from	O
a	O
set	O
of	O
individual	O
DS20L	O
,	O
ES40	O
or	O
ES45	O
servers	O
(	O
called	O
"	O
nodes	O
"	O
)	O
mounted	O
in	O
racks	O
.	O
</s>
<s>
Every	O
node	O
was	O
connected	O
to	O
every	O
other	O
node	O
using	O
a	O
Quadrics	B-General_Concept
elan3	O
interconnect	O
and	O
the	O
systems	O
were	O
designed	O
and	O
used	O
primarily	O
for	O
high-performance	B-Operating_System
technical	I-Operating_System
computing	I-Operating_System
.	O
</s>
<s>
An	O
AlphaServer	B-Device
SC45	O
supercomputer	B-Architecture
was	O
still	O
ranked	O
#6	O
in	O
the	O
world	O
as	O
late	O
as	O
November	O
2004	O
.	O
</s>
<s>
"	O
HP	O
Introduces	O
Most	O
Powerful	O
Generation	O
of	O
AlphaServer	B-Device
Systems	O
"	O
.	O
</s>
<s>
The	O
AlphaServer	B-Device
GS1280	O
originally	O
supported	O
a	O
maximum	O
of	O
16	O
microprocessors	B-Architecture
.	O
</s>
<s>
In	O
October	O
2003	O
,	O
the	O
number	O
of	O
microprocessors	B-Architecture
supported	O
was	O
increased	O
to	O
64	O
and	O
the	O
supported	O
memory	O
capacity	O
was	O
doubled	O
to	O
8	O
GB	O
per	O
microprocessor	B-Architecture
.	O
</s>
