Note:
Power,
cooling,
removable-media
drives,
external
ports,
and
advanced
system
management
are
provided
by
the
IBM
BladeCenter
Type
8677.
For
more
information,
see
the
IBM
BladeCenter
(Type
8677)
Planning
and
Installation
Guide
.
Table
1.
Blade
server
features
and
specifications
Microprocessor:
Two
IBM
Cell
Broadband
Engines
PowerPC
®
64-bit
architecture
w/VMX
with
8
SPUs,
512
KB
L2
cache,
256
KB
on
each
SPE.
Memory:
2
x
256
MB
or
2
x
512
MB
XDR
DRAM
with
ECC.
(Only
configuration
supported.)
IDE
device:
Support
for
one
internal
integrated
drive
electronics
(IDE)
2.5
inch
hard
disk
drive.
Size:
v
Height:
24.5
cm
(9.7
inches)
v
Depth:
44.6
cm
(17.6
inches)
v
Width:
5.8
cm
(2.28
inches)
v
Maximum
weight:
6
kg
(13.2
lb)
Integrated
functions:
v
Two
1
Gigabit
Ethernet
controllers
v
Local
service
processor
v
One
IDE
hard
disk
drive
controller
with
one
channel
v
RS-485
interface
for
communication
with
BladeCenter
Management
Module
Environment:
v
Air
temperature:
–
Operating
temperature:
maximum
25°C
(77°F).
Altitude:
0
to
914
m
(0
to
3000
ft)
–
Operating
temperature:
maximum
25°C
(77°F).
Altitude:
914
m
to
2133
m
(3000
ft
to
7000
ft)
–
Storage
temperature:
-40°
to
60°C
(-40°
to
140°
F)
v
Humidity:
–
Operating
temperature:
8%
to
80%
–
Storage
temperature:
5%
to
80%
Reliability,
availability,
and
serviceability
features
Three
important
features
in
server
design
are
reliability,
availability,
and
serviceability
(RAS).
These
RAS
features
are
designed
to
help
you
protect
the
integrity
of
the
data
stored
on
your
blade
server;
help
ensure
that
your
blade
server
is
available
when
you
want
to
use
it;
and,
in
the
event
of
a
failure,
help
you
easily
diagnose
and
repair
the
failure
with
minimal
inconvenience.
The
following
is
a
list
of
some
of
the
RAS
features
that
your
blade
server
supports:
v
Automatic
error
retry
or
recovery
v
Automatic
server
restart
v
Built-in
monitoring
for
temperature,
voltage,
and
hard
disk
drives
v
Customer-upgradeable
system
firmware
code
v
Diagnostic
support
of
Ethernet
controller
ports
v
Error
codes
and
messages
v
Error
correcting
code
(ECC)
protection
on
the
Level
2
(L2)
cache
v
ECC
memory
v
Service
processor
that
communicates
with
the
BladeCenter
Management
Module
to
enable
remote
blade
server
management
v
SDRAM
with
serial
presence
detect
(SPD)
and
vital
product
data
(VPD)
v
System
error
logging
v
VPD
(includes
information
stored
in
nonvolatile
memory
for
easier
remote
viewing)
System-board
components
and
connectors
The
following
illustration
shows
the
location
of
the
system-board
components,
including
connectors
for
user-installable
options.
Note:
The
illustrations
in
this
document
might
differ
slightly
from
your
hardware.
4
BladeCenter
QS20
Type
0200:
Problem
Determination
and
Service
Guide
Содержание BladeCenter QS20
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