<s>
IBM	B-Device
S/390	I-Device
Multiprise	I-Device
was	O
a	O
short-lived	O
series	O
of	O
small	O
,	O
compact	O
,	O
entry-level	O
mainframes	B-Device
.	O
</s>
<s>
The	O
first	O
model	O
of	O
the	O
Multiprise	O
series	O
,	O
the	O
Multiprise	B-Device
2000	I-Device
,	O
was	O
released	O
in	O
1996	O
as	O
a	O
compact	O
and	O
affordable	O
version	O
of	O
S/390	O
G3	O
mainframe	B-Device
.	O
</s>
<s>
The	O
IBM	O
's	O
Multiprise	B-Device
3000	I-Device
(	O
product	O
number	O
7060	O
)	O
was	O
a	O
compact	O
mainframe	B-Device
measuring	O
just	O
82	O
x	O
52	O
x	O
111cm	O
introduced	O
in	O
1999	O
.	O
</s>
<s>
All	O
models	O
also	O
had	O
one	O
System	B-Device
Assistance	I-Device
Processor	I-Device
(	O
SAP	O
)	O
.	O
</s>
<s>
The	O
Multiprise	B-Device
3000	I-Device
had	O
ESCON	B-Device
channels	O
and	O
a	O
limited	O
number	O
of	O
network	O
adapters	O
for	O
external	O
I/O	O
.	O
</s>
<s>
It	O
had	O
a	O
similar	O
use	O
case	O
to	O
that	O
of	O
the	O
S/390	B-Operating_System
Integrated	I-Operating_System
Server	I-Operating_System
,	O
which	O
was	O
introduced	O
about	O
one	O
year	O
earlier	O
.	O
</s>
<s>
The	O
Multiprise	B-Device
3000	I-Device
was	O
unusual	O
in	O
that	O
it	O
contained	O
internal	O
disk	O
storage	O
.	O
</s>
<s>
The	O
Multiprise	B-Device
3000	I-Device
was	O
popular	O
among	O
smaller	O
mainframe	B-Device
customers	O
,	O
particularly	O
those	O
running	O
the	O
31-bit	O
z/VSE	B-Application
V3R1	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
Initially	O
supported	O
OSes	O
were	O
OS/390	O
V2R4	O
through	O
R8	O
,	O
VM/ESA	B-Application
V2R2	O
through	O
R4	O
,	O
and	O
VSE/ESA	O
V2R2	O
through	O
R4	O
.	O
</s>
<s>
(	O
The	O
31-bit	O
versions	O
of	O
TPF/ESA	B-Operating_System
and	O
VM/CMS	B-Application
are	O
also	O
compatible	O
.	O
)	O
</s>
<s>
The	O
3000	O
could	O
run	O
subsequent	O
OS	O
releases	O
,	O
including	O
all	O
z/OS	B-Application
releases	O
up	O
to	O
and	O
including	O
V1R5	O
.	O
</s>
<s>
However	O
,	O
the	O
Multiprise	B-Device
3000	I-Device
rapidly	O
lost	O
popularity	O
in	O
the	O
21st	O
century	O
among	O
z/OS	B-Application
and	O
Linux/390	B-Application
users	O
because	O
it	O
did	O
not	O
implement	O
the	O
full	O
z/Architecture	B-Device
architecture	O
.	O
</s>
<s>
IBM	O
's	O
announcement	O
that	O
z/VSE	B-Application
V4R1	O
,	O
released	O
in	O
2006	O
,	O
would	O
require	O
a	O
z/Architecture	B-Device
system	O
accelerated	O
retirements	O
of	O
MP3000s	O
given	O
the	O
system	O
's	O
popularity	O
with	O
VSE	B-Application
users	O
.	O
</s>
<s>
Multiprise	B-Device
3000	I-Device
users	O
mostly	O
upgraded	O
to	O
64-bit	B-Device
models	O
,	O
starting	O
with	O
the	O
System	B-Device
z9	I-Device
BC	O
,	O
to	O
run	O
newer	O
software	O
such	O
as	O
DB2	B-Application
Version	O
8	O
for	O
z/OS	B-Application
.	O
</s>
<s>
As	O
of	O
late	O
2006	O
,	O
the	O
Multiprise	B-Device
3000	I-Device
was	O
physically	O
the	O
smallest	O
mainframe	B-Device
in	O
common	O
use	O
,	O
but	O
modern	O
IBM	B-Device
zSeries	I-Device
mainframes	B-Device
are	O
more	O
productive	O
and	O
energy	O
efficient	O
.	O
</s>
