IBM 8837 User Guide - Page 18

Active, Memory, ProteXion - bios

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v Automatic restart after a power failure v Baseboard management controller (BMC) service processor v Backup basic input/output system (BIOS) switching under the control of the BMC v Built-in monitoring for fan, power, temperature, voltage, and power-supply redundancy v Cable-presence detection on most connectors v Chipkill™ memory protection v Error codes and messages v Error correcting code (ECC) L2 cache and system memory v Hot-swap hard disk drives v Information and light path diagnostics LED panels v Menu-driven setup, system configuration, and redundant array of independent disks (RAID) configuration programs v Availability of microcode and diagnostic levels v Parity checking on the small computer system interface (SCSI) bus and PCI buses v Power management: Compliance with Advanced Configuration and Power Interface (ACPI) v Power-on self-test (POST) v Predictive Failure Analysis® (PFA) alerts v Redundant Ethernet capabilities with failover support v Hot-swap cooling fans with speed-sensing capability v Redundant hot-swap power supplies and redundant hot-swap fans (some models) v Remind button to temporarily turn off the system-error LED v Remote system problem-determination support v Standby voltage for system-management features and monitoring v Startup (boot) from LAN through remote initial program load (RIPL) or dynamic host configuration protocol/boot protocol (DHCP/BOOTP) v System auto-configuring from the configuration menu v System error logging (POST and BMC) v System-management monitoring through the Intra-Integrated Circuit (I2C) bus v Upgradeable POST, BIOS, diagnostics, BMC microcode, and read-only memory (ROM) resident code, locally or over the LAN v Vital product data (VPD) on microprocessors, system board, power supplies, SCSI (hot-swap-drive) backplane, and power backplane v Wake on LAN feature capability Active Memory Active™ Memory is an IBM feature that improves the reliability of memory through memory mirroring and the Memory ProteXion™ feature. Memory ProteXion If a detected error is recoverable, the Memory ProteXion feature corrects the error and rewrites the data to another memory location on the same DIMM. If there are not sufficient undamaged memory locations that the data can be rewritten to, the error is unrecoverable. Other conditions can also cause unrecoverable errors. If a detected error is unrecoverable, light path diagnostics LEDs are lit to indicate the failing DIMM. You do not have to enable memory mirroring to use the Memory ProteXion feature. 6 IBM xSeries 336 Type 8837: User's Guide

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v
Automatic
restart
after
a
power
failure
v
Baseboard
management
controller
(BMC)
service
processor
v
Backup
basic
input/output
system
(BIOS)
switching
under
the
control
of
the
BMC
v
Built-in
monitoring
for
fan,
power,
temperature,
voltage,
and
power-supply
redundancy
v
Cable-presence
detection
on
most
connectors
v
Chipkill
™
memory
protection
v
Error
codes
and
messages
v
Error
correcting
code
(ECC)
L2
cache
and
system
memory
v
Hot-swap
hard
disk
drives
v
Information
and
light
path
diagnostics
LED
panels
v
Menu-driven
setup,
system
configuration,
and
redundant
array
of
independent
disks
(RAID)
configuration
programs
v
Availability
of
microcode
and
diagnostic
levels
v
Parity
checking
on
the
small
computer
system
interface
(SCSI)
bus
and
PCI
buses
v
Power
management:
Compliance
with
Advanced
Configuration
and
Power
Interface
(ACPI)
v
Power-on
self-test
(POST)
v
Predictive
Failure
Analysis
®
(PFA)
alerts
v
Redundant
Ethernet
capabilities
with
failover
support
v
Hot-swap
cooling
fans
with
speed-sensing
capability
v
Redundant
hot-swap
power
supplies
and
redundant
hot-swap
fans
(some
models)
v
Remind
button
to
temporarily
turn
off
the
system-error
LED
v
Remote
system
problem-determination
support
v
Standby
voltage
for
system-management
features
and
monitoring
v
Startup
(boot)
from
LAN
through
remote
initial
program
load
(RIPL)
or
dynamic
host
configuration
protocol/boot
protocol
(DHCP/BOOTP)
v
System
auto-configuring
from
the
configuration
menu
v
System
error
logging
(POST
and
BMC)
v
System-management
monitoring
through
the
Intra-Integrated
Circuit
(I
2
C)
bus
v
Upgradeable
POST,
BIOS,
diagnostics,
BMC
microcode,
and
read-only
memory
(ROM)
resident
code,
locally
or
over
the
LAN
v
Vital
product
data
(VPD)
on
microprocessors,
system
board,
power
supplies,
SCSI
(hot-swap-drive)
backplane,
and
power
backplane
v
Wake
on
LAN
feature
capability
Active
Memory
Active
™
Memory
is
an
IBM
feature
that
improves
the
reliability
of
memory
through
memory
mirroring
and
the
Memory
ProteXion
™
feature.
Memory
ProteXion
If
a
detected
error
is
recoverable,
the
Memory
ProteXion
feature
corrects
the
error
and
rewrites
the
data
to
another
memory
location
on
the
same
DIMM.
If
there
are
not
sufficient
undamaged
memory
locations
that
the
data
can
be
rewritten
to,
the
error
is
unrecoverable.
Other
conditions
can
also
cause
unrecoverable
errors.
If
a
detected
error
is
unrecoverable,
light
path
diagnostics
LEDs
are
lit
to
indicate
the
failing
DIMM.
You
do
not
have
to
enable
memory
mirroring
to
use
the
Memory
ProteXion
feature.
6
IBM
xSeries
336
Type
8837:
User’s
Guide