Dell POWEREDGE 1900 Technisches Handbuch

www.dell.com | support.dell.com

Dell™ PowerEdge™ 1900 Systems

Information Update

Notes, Notices, and Cautions

NOTE: A NOTE indicates important information that helps you make better use of your computer.

NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid

the problem.

CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.

____________________

Information in this document is subject to change without notice.

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 2009 P/N FF602 Rev. A03

Information Update 3

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.

4Information Update

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.

NOTE: Each diagnostic LCD message is assigned a priority. The highest priority messages supersede any group

of messages with a lower priority.

Table 1-1. System Messages

Message Causes Corrective 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.

Table 1-2. LCD Status Messages

Code Text Causes Corrective Actions

E1118 CPU 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.

Turn off power to the system and

restart the system. If the problem

persists, see "Getting Help" in the

Hardware Owner’s Manual.

E122B 0.9 V Over Voltage 0.9 V regulator voltage has exceeded

the allowable voltage range.

See "Getting Help" in the

Hardware Owner’s Manual.

E122C CPU Power Fault A voltage regulator failure was

detected when the processor

regulator(s) was enabled.

See "Getting Help" in the

Hardware Owner’s Manual.

Information Update 5

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

Option Description

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.

6Information Update

Integrated Devices Screen

Table 1-4 lists a new Integrated Devices screen option.

Memory Screen

Table 1-5 lists a new option on the Memory screen.

Serial Communication Screen

Table 1-6 lists the updated information on the default Failsafe Baud Rate.

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).

Table 1-4. Integrated Devices Screen Options

Option Description

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.

Table 1-5. Memory Screen Options

Option Description

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.

Table 1-6. Serial Communication Screen Option

Option Description

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.

Information Update 7

Figure 1-2. Six-hard-drive Configuration (SAS RAID Controller Daughter Card)

1 hard drive activity system board

connector (HD_ACT_CARD)

2 SAS RAID controller daughter

card battery connector

3 SAS_1 connector

4 hard drive LED activity cable

connector

5 SAS_0 connector 6 center fan retention cage

7 hard drive interface cable

connector

8 hard drive power connector

8Information Update

www.dell.com | support.dell.com

Dell™ PowerEdge™ 1900 系统

信息更新

注、注意和小心

注：

“注”表示可以帮助您更好地使用计算机的重要信息。

. 注意：

“注意”表示会损坏硬件或致数据丢失的潜在危险，并告诉您如何避免此类问题。

小心：

“小心”表示可能会导致财产损失、人身伤害甚至死亡。

____________________

本说明文件中的信息如有更改，恕不另行通知。

未经 Dell Inc. 书面许可，严禁以任何形式复制这些材料。

本文中使用的商标：Dell、DELL 标和 PowerEdge 是Dell Inc. 的商标； Intel 和Xeon 是Intel Corporation 的注册商标。本说明文

件中述及的其它商标和产品名称是指拥有相应商标和产品名称的公司或其制造的产品。 Dell Inc. 对本公司的商标和产品名称之外

的其它商标和产品名称不拥有任何专有权。

2009 年5 月P/N FF602 Rev.A03

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