Reliability,
availability,
and
serviceability
features
Three
important
computer
design
features
are
reliability,
availability,
and
serviceability
(RAS).
The
RAS
features
help
to
ensure
the
integrity
of
the
data
that
is
stored
in
your
server,
the
availability
of
the
server
when
you
need
it,
and
the
ease
with
which
you
can
diagnose
and
repair
problems.
Your
server
has
the
following
RAS
features:
v
AIC
7901
built-in
self-test
(BIST)
v
Advanced
Configuration
and
Power
Interface
(ACPI)
v
Advanced
Desktop
Management
Interface
(DMI)
features
v
Alert
Standard
Format
(ASF)
2.0
support
providing
secure
remote
power
on/power
off
and
seven
standard
alerts
for
components
such
as
fans,
voltage,
and
thermals
v
Automatic
error
retry
or
recovery
v
Automatic
restart
after
power
failure
v
Auto-restart
initial
program
load
(IPL)
power
supply
v
Boot-block
recovery
v
Built-in,
menu-driven
configuration
and
setup
programs
v
Cooling
fans
with
speed-sensing
capability
v
Customer-upgradeable
basic
input/output
system
(BIOS)
code
v
ECC
memory
v
Error
codes
and
messages
v
Failover
Ethernet
support
v
Menu-driven
diagnostic
programs
on
CD
v
Microprocessor
serial
number
access
v
Monitoring
support
for
temperature,
voltage,
and
fan
speed
v
Parity
checking
on
the
SCSI
bus
and
PCI
bus
v
Power-on
self-test
(POST)
v
Read-only
memory
(ROM)
checksums
v
SDRAM
with
serial
presence
detect
(SPD)
v
Server
management
v
Standby
voltage
for
system
management
features
and
monitoring
v
System
error
log
(with
an
optional
Remote
Supervisor
Adapter
II
installed)
v
Vital
product
data
(VPD);
includes
information
stored
in
nonvolatile
memory
for
easier
remote
viewing
v
Wake
on
LAN
and
Alert
Standard
Format
IBM
Director
With
IBM
Director,
a
network
administrator
can:
v
View
the
hardware
configuration
of
remote
systems,
in
detail
v
Monitor
the
usage
and
performance
of
critical
components,
such
as
microprocessors,
disks,
and
memory
v
Centrally
manage
individual
or
large
groups
of
IBM
and
non-IBM
Intel-based
servers,
desktop
computers,
workstations,
and
mobile
computers
on
a
variety
of
platforms
Chapter
1.
Introducing
the
xSeries
306
Type
8836
server
5
Summary of Contents for 84894MU
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