BladeCenter
JS20
specifications
for
NEBS/ETSI
environments
The
following
table
provides
a
summary
of
the
features
and
specifications
of
the
BladeCenter
JS20
Type
8842
in
a
NEBS/ETSI
environment.
This
includes
model-specific
information.
Microprocessor:
v
Two
IBM
Power
PC
®
microprocessors
with
512
KB
ECC
L2
cache
Memory:
v
Four
DDR
PC2700
sockets
v
Minimum:
1
GB
v
Maximum:
4
or
8
GB
(depends
on
the
blade
server
model)
IDE
devices:
v
NEBS
application
does
not
support
internal
drives
Size:
v
Height:
24.5
cm
(9.7
inches)
v
Depth:
44.6
cm
(17.6
inches)
v
Width:
2.9
cm
(1.14
inches)
v
Maximum
weight:
5.4
kg
(12
lb)
Integrated
functions:
v
One
dual-port
Gigabit
Ethernet
controller
v
Light
path
diagnostics
v
Local
service
processor
v
One
IDE
hard
disk
drive
controller
with
two
channels
v
RS-485
interface
for
communication
with
BladeCenter
management
module
v
Serial
over
LAN
Predictive
Failure
Analysis
(PFA)
alerts:
v
Microprocessors
v
Memory
Environment
(NEBS):
v
Air
temperature:
–
Blade
server
on:
5°
to
40°C
(41°
to
104°F).
Altitude:
-60
to
1800
m
(-197
to
6000
ft)
–
Blade
server
on
(short
term):
-5°
to
55°C
(23°
to
131°F)
Altitude:
-60
to
1800
m
(-197
to
6000
ft)
–
Blade
server
on:
5°
to
30°C
(41°
to
86°F).
Altitude:
1800
to
4000
m
(6000
to
13
000
ft)
–
Blade
server
on
(short
term):
-5°
to
45°C
(23°
to
113°F).
Altitude:
1800
to
4000
m
(6000
to
13
000
ft)
–
Blade
server
off:
-40°
to
70°C
(-40°
to
158°F)
v
Humidity:
–
Blade
server
on:
5%
to
80%
–
Blade
server
on
(short
term):
5%
to
90%
but
not
to
exceed
0.024
kg
water/kg
of
dry
air
–
Blade
server
off:
uncontrolled
Note:
"Short
term"
refers
to
a
period
of
not
more
than
96
consecutive
hours
and
a
total
of
not
more
than
15
days
in
1
year.
(This
refers
to
a
total
of
360
hours
in
any
year,
but
no
more
than
15
occurrences
during
that
1-year
period.)
Electrical
input:
v
Input
voltage:
12
V
dc
*
For
information
about
DIMM
type
and
supported
DIMM
size,
see
“Installing
memory
modules”
on
page
77.
Notes:
1.
The
operating
system
in
the
blade
server
must
provide
USB
support
for
the
blade
server
to
recognize
and
use
the
CD
drive
and
an
external
diskette
drive.
The
BladeCenter
T
unit
uses
USB
for
internal
communication
with
these
devices.
Chapter
1.
Introduction
7
Summary of Contents for BladeCenter JS20
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