Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell, the DELL logo, and PowerEdge are trademarks of Dell Inc.; Intel and Xeon are registered trademarks of
Intel Corporation. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names
or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.
May 2009P/N FF602Rev. A03
This document provides updated information for your system on the following topics:
•Quad-core processor upgrades
•Memory mirroring with fully buffered DIMMs
•System message update
•LCD status messages update
•System Setup program update
•Memory capacity reporting
•Installing a PERC5i SAS RAID controller
Quad-Core Processor Upgrades
If the front of your system chassis is labeled with a "II," your system is upgradeable to the Quad-Core
®
Intel
Xeon® Processor 5300 series when these processors become available. See support.dell.com for
information on processor availability and upgrade options for your system.
Memory Mirroring With Fully Buffered DIMMs
As in the previous generation of memory mirroring technology, mirroring with fully buffered DIMMs
(FBDs) provides enhanced protection from memory failure events, enabling a more robust computing
environment. The new generation of FBD memory mirroring provides a higher level of system reliability
by providing protection against more complex, but rare, failures such as a multi-bit error on a pair of
FBDs within a mirrored branch.
However, a limitation in the chipset prevents the FBD memory mirroring from recovering from a small
set of failures that could occur in specific circumstances. These circumstances include rare Advanced
Memory Buffer (AMB) hardware failures or a possible short circuit in the FBD connector. Although
unlikely, this means that FBD memory mirroring cannot assure failover in all possible circumstances.
System Message Update
Table 1-1 lists a new system message and the probable cause and corrective action when the message
appears. System messages appear on the screen to notify you of a possible problem with the system.
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. See your Product Information Guide for complete information about safety
precautions, working inside the computer, and protecting against electrostatic discharge.
Information Update3
Table 1-1. System Messages
MessageCausesCorrective Actions
The FBD link to the
following DIMM failed to
train: DIMM x
FBD training error - The
following memory branch
has been disabled:
Branch x
An error has occurred on the FBD
channel that contains the specified
DIMM. A fault is indicated on the
link adjacent to the DIMM caused
by a faulty condition in either the
specified DIMM, the next DIMM
in the channel, or possibly the
system board. When this error
occurs, the other FBD branch in the
memory pair is disabled, resulting in
the second error message.
Reseat all of the DIMMs on the
indicated FBD channel. See
"Memory" in the Hardware Owner’s Manual for information about the
FBD branches and channels. See
"Troubleshooting System Memory" in
the Hardware Owner’s Manual. If the
problem persists, see "Getting Help"
in the Hardware Owner’s Manual.
LCD Status Messages Update
Table 1-2 lists updates to the LCD status messages that can occur and the probable cause for each
message. The LCD messages refer to events recorded in the system event log (SEL). For information
on the SEL and configuring system management settings, see your systems management software
documentation.
Table 1-2. LCD Status Messages
CodeTextCausesCorrective Actions
E1118CPU Temp Interface The BMC is unable to determine
the CPU(s) temperature status.
Consequently, the BMC increases
the CPU fan speed to maximum
as a precautionary measure.
E122B0.9 V Over Voltage 0.9 V regulator voltage has exceeded
the allowable voltage range.
E122CCPU Power FaultA voltage regulator failure was
detected when the processor
regulator(s) was enabled.
Turn off power to the system and
restart the system. If the problem
persists, see "Getting Help" in the
Hardware Owner’s Manual.
See "Getting Help" in the
Hardware Owner’s Manual.
See "Getting Help" in the
Hardware Owner’s Manual.
NOTE: Each diagnostic LCD message is assigned a priority. The highest priority messages supersede any group
of messages with a lower priority.
4Information Update
System Setup Program Update
This section lists updates to the System Setup program about features that are available on some
systems.
Main Screen
Figure 1-1 shows the updated main System Setup program screen. Table 1-3 lists a new option on
the System Setup main screen.
Figure 1-1. Main System Setup Program Screen
Table 1-3. System Setup Program Options
OptionDescription
Boot Sequence Retry
(Disabled default)
Enables or disables the Boot Sequence Retry feature. When set to Enabled,
the system re-attempts the boot sequence after a 30-second timeout if the previous
boot attempt failed.
Information Update5
Integrated Devices Screen
Table 1-4 lists a new Integrated Devices screen option.
Table 1-4. Integrated Devices Screen Options
OptionDescription
I/OAT DMA Engine
(Disabled default)
Enables or disables the I/O Acceleration Technology (I/OAT) option. When set to
Enabled, I/OAT reduces system CPU usage for applications that use TCP by
offloading part of the TCP receive operation to the DMA engine.
Memory Screen
Table 1-5 lists a new option on the Memory screen.
Table 1-5. Memory Screen Options
OptionDescription
Low Power Mode
(Disabled default)
Enables or disables Low Power Mode of the memory. When set to Enabled, the
memory runs at reduced speed to conserve power. Disabled sets the memory to run
at full speed.
Serial Communication Screen
Table 1-6 lists the updated information on the default Failsafe Baud Rate.
Table 1-6. Serial Communication Screen Option
OptionDescription
Failsafe Baud Rate
(115200 default)
Displays the failsafe baud rate used for console redirection when the baud rate
cannot be negotiated automatically with the remote terminal. This rate should not
be adjusted.
Memory Capacity Reporting
The system management software may report an incorrect memory capacity for your system. On
the attributes screen for the memory array, the capacity may be stated as double the actual capacity. To
correct this issue, go to support.dell.com and download and install the latest system BIOS upgrade for
your system.
Installing a PERC5i SAS RAID Controller
The optional SAS RAID controller allows for up to six hard drives in your system. When configuring your
system with a SAS RAID controller, make sure that the signal cable for drives 0 to 3 is connected to the
SAS_0 connector on the SAS RAID controller, and the cable for drives 4 and 5 is connected
to the SAS_1 connector (see Figure 1-2).
La reproduction de ce document, de quelque manière que ce soit, sans l'autorisation écrite de Dell Inc. est strictement interdite.
Marques mentionnées dans ce document : Dell, le logo DELL et PowerEdge sont des marques de Dell Inc. ; Intel et Xeon sont des marques
déposées d'Intel Corporation. D'autres marques commerciales et noms de marque peuvent être utilisés dans ce document pour faire référence
aux entités se réclamant de ces marques et de ces noms ou de leurs produits. Dell Inc. dénie tout intérêt propriétaire vis-à-vis des marques
commerciales et des noms de marque autres que les siens.
Mai 2009N/P FF602Rév. A03
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