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:
Two
IBM
PowerPC
®
microprocessors
with
512
KB
ECC
L2
cache
Note:
Use
the
Configuration/Setup
Utility
program
to
determine
the
type
and
speed
of
the
microprocessors.
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
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
SOL
Predictive
Failure
Analysis
(PFA)
alerts:
v
Microprocessors
v
Memory
Electrical
input:
12
V
dc
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
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)
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.
2.
Processor
power
reduction
methods
might
be
invoked
in
the
upper
portion
of
the
NEBS
short
term
extended
range.
This
condition
is
indicated
by
event
log
messages.
Do
not
restart
the
blade
server
when
power
reduction
is
in
effect.
Chapter
1.
Introduction
7
Summary of Contents for BladeCenter JS20
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