-001 First release of the Intel® Desktop Board D5400XS Product Guide January 2008
If an FCC declaration of conformity marking is present on the board, the following statement applies:
FCC Declaration of Conformity
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
For questions related to the EMC performance of this product, contact:
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124
1-800-628-8686
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may cause harmful interference to
radio communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment to an outlet on a circuit other than the one to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Any changes or modifications to the equipment not expressly approved by Intel Corporation could void the
user’s authority to operate the equipment.
Tested to comply with FCC standards for home or office use.
Canadian Department of Communications Compliance Statement
This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set
out in the Radio Interference Regulations of the Canadian Department of Communications.
Le présent appareil numerique német pas de bruits radioélectriques dépassant les limites applicables aux
appareils numériques de la classe B prescrites dans le Réglement sur le broullage radioélectrique édicté par
le ministére des Communications du Canada.
Disclaimer
INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL® PRODUCTS. NO LICENSE,
EXPRESS OR IMPLIED, BY ESTOPPEL OR
GRANTED BY THIS DOCUMENT. EXCEPT AS PROVIDED IN INTEL’S TERMS AND CONDITIONS OF SALE FOR
SUCH PRODUCTS, INTEL ASSUMES NO LIABILITY WHATSOEVER, AND INTEL DISCLAIMS ANY EXPRESS OR
IMPLIED WARRANTY, RELATING TO SALE AND/OR USE OF INTEL PRODUCTS INCLUDING LIABILITY OR
WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR INFRINGEMENT
OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. Intel products are not intended
for use in medical, life saving, or life sustaining applications. Intel may make changes to specifications and
product descriptions at any time, without notice.
Desktop Board D5400XS may contain design defects or errors known as errata which may cause the product
to deviate from published specifications. Current characterized errata are available on request.
Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing
your product order.
Copies of documents which have an ordering number and are referenced in this document, or other Intel
literature, may be obtained from Intel Corporation by going to the World Wide Web site at:
http://www.intel.com/ or by calling 1-800-548-4725.
This Product Guide gives information about board layout, component installation, BIOS
update, and regulatory requirements for Intel
®
Desktop Board D5400XS.
Intended Audience
The Product Guide is intended for technically qualified personnel. It is not intended for
general audiences.
Use Only for Intended Applications
All Intel Desktop Boards are evaluated as Information Technology Equipment (I.T.E.)
for use in personal computers (PC) for installation in homes, offices, schools, computer
rooms, and similar locations. The suitability of this product for other PC or embedded
non-PC applications or other environments, such as medical, industrial, alarm systems,
test equipment, etc. may not be supported without further evaluation by Intel.
Document Organization
The chapters in this Product Guide are arranged as follows:
1 Desktop Board Features: a summary of product features
2 Installing and Replacing Desktop Board Components: instructions on how to install
the Desktop Board and other hardware components
3 Updating the BIOS: instructions on how to update the BIOS
4 Configuring for RAID: information about configuring your system for RAID
A Error Messages and Indicators: information about BIOS error messages, beep
codes, and POST codes
B Regulatory Compliance: describes the board’s adherence to safety standards and
EMC regulations and its product certifications
Conventions
The following conventions are used in this manual:
CAUTION
Cautions warn the user about how to prevent damage to hardware or loss of data.
NOTE
Notes call attention to important information.
iii
Intel Desktop Board D5400XS Product Guide
Terminology
The table below gives descriptions of some common terms used in the product guide.
This chapter briefly describes the features of Intel® Desktop Board D5400XS. Table 1
summarizes the major features of the Desktop Board.
Table 1. Feature Summary
Form Factor
Processor Support for up to two identical Intel® processors in the LGA771
Main Memory
Chipset Intel® 5400 Chipset consisting of:
Graphics
Audio
Expansion
Capabilities
Legacy I/O Support Legacy I/O Controller that provides Consumer Infrared (CIR) support
Peripheral
Interfaces
SSI/EATX (330.20 millimeters [13.00 inches] x 304.80 millimeters
[12.00 inches])
package
• Four 240-pin, DDR2 SDRAM Fully-Buffered Dual Inline Memory
Module (FBDIMM) sockets
• Support for 800/667 MHz SDRAM
• Support for up to 16 GB of system memory
®
• Intel
• Intel
• Support for multiple PCI Express* graphics cards
• Independent multi-streaming 8-channel (7.1) audio and 2-channel
• HD Audio Link header
• HD Audio front panel header
• Onboard 3-pin S/PDIF connector
• ADAT* optical interface support from a back panel S/PDIF optical
• Four PCI Express x16 connectors
• Two PCI* bus connectors
• Up to 10 USB 2.0 ports:
• Up to two IEEE 1394a ports:
• Six Serial ATA (SATA) ports (3.0 Gb/s) via the Intel 6321ESB I/O
• Two external SATA (eSATA) ports via a discrete controller
• One IDE interface with ATA-66/100 support (two devices)
5400 Memory Controller Hub (MCH)
®
6321ESB I/O Controller Hub
audio subsystem, featuring:
― Intel
― IDT* STAC9274 audio codec
port
― Six ports routed to the back panel
― Four ports routed to two onboard USB headers
― One port routed to a back panel connector
― One port routed to an IEEE 1394a header
Controller Hub
®
High Definition Audio interface
continued
9
Intel Desktop Board D5400XS Product Guide
Table 1. Feature Summary (continued)
RAID
• Intel
• Marvell* Storage Technology for the two eSATA ports
LAN Support Intel® 82573L Gigabit (10/100/1000 Mb/s) Ethernet LAN controller
including an RJ-45 back panel connector with integrated status LEDs
BIOS
• Intel
• 16 Mb Firmware Hub
• Support for SMBIOS
• Intel
• Intel
Power Management
• Support for Advanced Configuration and Power Interface (ACPI)
• Suspend to RAM (STR)
• Wake on USB, PCI, PCI Express, LAN, CIR, and front panel
• ENERGY STAR* capable
Hardware
Management
Hardware monitor with:
• Four fan sensing inputs used to monitor fan activity
• Intel® Precision Cooling Technology fan speed control
• Voltage sensing to detect out of range values
Supported
Operating Systems
• Microsoft Windows Vista* Ultimate
• Microsoft Windows Vista Enterprise
• Microsoft Windows Vista Business
• Microsoft Windows Vista Home Premium
• Microsoft Windows Vista Home Basic
• Microsoft Windows Vista Ultimate 64-bit edition
• Microsoft Windows Vista Enterprise 64-bit edition
• Microsoft Windows Vista Business 64-bit edition
• Microsoft Windows Vista Home Premium 64-bit edition
• Microsoft Windows Vista Home Basic 64-bit edition
• Microsoft Windows* XP Media Center Edition 2005
• Microsoft Windows XP Professional
• Microsoft Windows XP Professional x64 Edition
• Microsoft Windows XP Home
®
Matrix Storage Technology for the six onboard SATA ports
®
Platform Innovation Framework for extensible firmware
interface
®
Rapid BIOS Boot
®
Express BIOS Update
For more information about this Desktop Board, including the Technical Product
Specification, BIOS updates, and device drivers, go to the Desktop Board D5400XS
page at http://www.intel.com/products/motherboard/
10
Desktop Board Features
Desktop Board Components
Figure 1 shows the approximate location of the major components on Desktop Board
D5400XS.
Figure 1. Desktop Board D5400XS Components
11
Intel Desktop Board D5400XS Product Guide
Table 2. Desktop Board D5400XS Components
Label Description
A Auxiliary chassis fan header (4-pin)
B PCI Express x16 connector 3
C PCI Express x16 connector 2
D PCI bus connector 2
E Front panel audio header
F PCI Express x16 connector 1
G PCI bus connector 1
H PCI Express x16 connector 0
I DIMM cooling fan header (3-pin)
J Back panel connectors
K Rear chassis fan header (3-pin)
L Processor (CPU 0) socket
M MCH fan header (3-pin)
N Processor (CPU 0) fan header (4-pin)
O 12 V processor core voltage connectors (2 x 4 pin) (2)
P Processor (CPU 1) fan header
Q Processor (CPU 1) socket
R FBDIMM sockets (4)
S Main power connector (2 x 12 pin)
T Battery
U Front chassis fan header (3-pin)
V IDE connector
W Front panel header
X Serial ATA connectors (6)
Y Port 80h POST code indicator
Z USB 2.0 headers (2)
AA Chassis intrusion header
BB Front panel CIR receiver (input) header
CC Back panel CIR transmitter (output) header
DD BIOS configuration jumper block
EE IEEE 1394a header
FF Onboard reset button
GG Onboard power button
HH Speaker
II High Definition Audio Link header
JJ Auxiliary PCI Express graphics power connector (1 x 4 pin)
KK S/PDIF connector
12
Desktop Board Features
Processors
CAUTION
Failure to use an appropriate power supply and/or not connecting the 12 V (2 x 4 pin)
power connectors to the Desktop Board may result in damage to the board, or the
system may not function properly.
Desktop Board D5400XS supports two Intel processors in the LGA771 package.
Processors are not included with the Desktop Board and must be purchased
separately.
Related Links
Go to the following page or link for more information about:
• Instructions on installing or upgrading the processor, page 33 in Chapter 2
• Supported
http://www.intel.com/products/motherboard/
processors for Desktop Board D5400XS,
Main Memory
NOTE
To be fully compliant with all applicable Intel® SDRAM memory specifications, the
board should be populated with FBDIMMs that support the Serial Presence Detect
(SPD) data structure. If your memory modules do not support SPD, you will see a
notification to this effect on the screen at power up. The BIOS will attempt to
configure the memory controller for normal operation.
The Desktop Board features the following:
• Four 240-pin DDR2 SDRAM FBDIMM sockets with gold-plated contacts
• 800/667 MHz DDR2 SDRAM interface
• DIMM cooling fan header
The Desktop Board supports the following memory:
• 800/667 MHz Fully Buffered DDR2 DIMMs only
• Up to 4 GB utilizing 512 Mb or 1 Gb technology
• Up to 16 GB utilizing 1 Gb technology
• Serial Presence Detect (SPD) memory only
NOTE
A DIMM cooling fan is recommended for use on Desktop Board D5400XS. Refer to
“Installing a DIMM Cooling Fan” on page 41 in Chapter 2 for more information.
13
Intel Desktop Board D5400XS Product Guide
Related Links
Go to the following links or pages for more information about:
The Intel 5400 Chipset consists of the following devices:
• Intel 5400 Memory Controller Hub (MCH)
• Intel 6321ESB I/O Controller Hub
The MCH provides interfaces to the processors, memory, and the PCI Express bus and
the Intel 6321ESB I/O Controller Hub is a centralized controller for the board’s I/O
paths.
For more information about the Intel 5400 Chipset, see:
The onboard audio subsystem consists of the following components:
• Intel 6321ESB I/O Controller Hub
• IDT STAC9274D audio codec
The subsystem has the following headers and connectors:
• Back panel audio connectors, including an S/PDIF optical port
• High Definition (HD) Audio front panel header that provides mic in and line out
signals for front panel audio connectors
• HD Audio Link header used for HDMI video cards
• S/PDIF connector that can be used for HDMI video cards that do not work with the
HD Audio Link header
The audio subsystem supports the following features:
• Dolby* Home Theater
• A signal-to-noise (S/N) ratio of 95 dB
• Independent multi-streaming 8-channel (7.1) audio (using the back panel audio
connectors) and 2-channel audio (using the Intel High Definition Audio front panel
header)
•ADAT optical interface support via the back panel S/PDIF optical port
14
Desktop Board Features
Related Links
Go to the following link or pages for more information about:
• Audio drivers and utilities, http://www.intel.com/products
• The location of the onboard audio headers, Figure 23 on page 47
• The si
• The bac
gnal names for the Intel High Definition Audio front panel header and the HD
Audio Link header, page 48
k panel audio connectors, Figure 24 on page 52
/motherboard/
LAN Subsystem
The LAN subsystem includes:
• Intel 6321ESB I/O Controller Hub
• Intel 82573L Gigabit (10/100/1000 Mb/s) Ethernet LAN controller
• RJ-45 LAN connector with integrated status LEDs
The subsystem features:
• CSMA/CD protocol engine
• LAN connect interface between the Intel 6321ESB I/O Controller Hub and the LAN
controller
•PCI bus power management
Related Links
Go to the following link for information about LAN software and drivers:
http://www.intel.com/products/motherboard/
Two LEDs are built into the RJ-45 LAN connector located on the back panel (see
Figure 2). These LEDs indicate th
e status of the LAN.
Figure 2. LAN Status LEDs
15
Intel Desktop Board D5400XS Product Guide
Table 3 describes the LED states when the board is powered up and the LAN
subsystem is operating.
Table 3. LAN Status LEDs
LED LED Color LED State Indicates
A Off LAN link is not established
Blinking LAN activity is occurring
B
Green
On LAN link is established
N/A Off 10 Mb/s data rate
Green On 100 Mb/s data rate
Yellow On 1000 Mb/s data rate
USB 2.0 Support
The Desktop Board supports up to 10 USB 2.0 ports (six ports routed to back panel
connectors and four ports routed to two onboard headers). USB 2.0 ports are
backward compatible with USB 1.1 devices. USB 1.1 devices will function at USB 1.1
speeds.
In addition to USB 2.0 devices, USB 2.0 operation requires an operating system and
drivers that fully support USB 2.0 transfer rates. Disabling Hi-Speed USB in the BIOS
reverts all USB 2.0 ports to USB 1.1 operation. This may be required to accommodate
operating systems that do not support USB 2.0.
Hard Disk and Optical Disk Drive Support
This section describes the Desktop Board’s support for hard disk and optical disk
drives. The board supports IDE and Serial ATA (SATA) drives.
Enhanced IDE Interface
The board’s IDE interface handles the exchange of information between the processor and
peripheral devices such as hard disk drives and CD-ROM drives. The interface supports:
• Up to two IDE devices (such as hard drives)
• ATAPI-style devices (such as CD-ROM drives)
• Older PIO Mode devices
• Ultra DMA-33 and ATA-66/100 protocols
16
Desktop Board Features
Serial ATA
Desktop Board D5400XS supports six onboard Serial ATA (SATA) channels (3.0 Gb/s)
via the Intel 6321ESB I/O Controller Hub and two External SATA (eSATA) channels
(3.0 Gb/s) via a discrete onboard controller.
The six onboard SATA channels provide support the following RAID (Redundant Array
of Independent Drives) levels using Intel
®
Matrix Storage Technology:
• RAID 0 - data striping
• RAID 1 - data mirroring
• RAID 0+1 (or RAID 10) - data striping and data mirroring
• RAID 5 - distributed parity
The two eSATA channels provide support the following RAID levels using Marvell
Storage Technology:
• RAID 0 - data striping
• RAID 1 - data mirroring
For information on configuring your system for RAID, see Chapter 4.
17
Intel Desktop Board D5400XS Product Guide
Disk Drive Access Indicator
Desktop Board D5400XS includes a blue LED that lights when either a SATA or an IDE
disk drive connected to the board is accessed. Figure 3 shows the location of the
indicator.
Legacy I/O
Desktop Board D5400XS includes an I/O controller that provides the following legacy
I/O features:
• Consumer Infrared (CIR) support
• Low pin count (LPC) interface
• Intelligent power management, including a programmable wake up event interface
• PCI power management support
18
Figure 3. Disk Drive Access Indicator
Desktop Board Features
Expandability
Desktop Board D5400XS provides the following expansion capability:
• Four PCI Express x16 connectors
• Two PCI bus connectors
BIOS
The BIOS provides the Power-On Self-Test (POST), the BIOS Setup program, and the
PCI/PCI Express and IDE auto-configuration utilities. The BIOS is stored in the Serial
Peripheral Interface (SPI) Flash device.
The BIOS can be updated by following the instructions on page 63 in Chapter 3.
Serial ATA and IDE Auto Configuration
If you install a Serial ATA or IDE device (such as a hard drive) in your computer, the
auto-configuration utility in the BIOS automatically detects and configures the device
for your computer. You do not need to run the BIOS Setup program after installing a
Serial ATA or IDE device. You can override the auto-configuration options by
specifying manual configuration in the BIOS Setup program.
PCI and PCI Express* Auto Configuration
If you install a PCI/PCI Express add-in card in your computer, the PCI/PCI Express
auto-configuration utility in the BIOS automatically detects and configures the
resources (IRQs, DMA channels, and I/O space) for that add-in card. You do not need
to run the BIOS Setup program after you install a PCI/PCI Express add-in card.
Security Passwords
The BIOS includes security features that restrict whether the BIOS Setup program can
be accessed and who can boot the computer. A supervisor password and a user
password can be set for the BIOS Setup and for booting the computer, with the
following restrictions:
•The supervisor password gives unrestricted access to view and change all Setup
options. If only the supervisor password is set, pressing <Enter> at the password
prompt of Setup gives the user restricted access to Setup.
•If both the supervisor and user passwords are set, you must enter either the
supervisor password or the user password to access Setup. Setup options are then
available for viewing and changing depending on whether the supervisor or user
password was entered.
•Setting a user password restricts who can boot the computer. The password
prompt is displayed before the computer is booted. If only the supervisor
password is set, the computer boots without asking for a password. If both
passwords are set, you can enter either password to boot the computer.
Related Links
For instructions on resetting the password, go to Clearing Passwords on page 56.
19
Intel Desktop Board D5400XS Product Guide
Hardware Management
The hardware management features of Desktop Board D5400XS enable the board to
be compatible with the Wired for Management (WfM) specification. The board has
several hardware management features including the following:
• Fan speed monitoring and control
• Thermal and voltage monitoring
• Chassis intrusion detection
Hardware Monitoring and Fan Speed Control
The features of the hardware monitoring and fan speed control include:
•Monitoring of power supply voltages to detect levels above and below acceptable
values
• Intel
• Thermal sensors in the processors, MCH, and I/O Controller Hub, plus an onboard
• Thermally monitored closed-loop fan control, for all onboard fans, that can adjust
®
Precision Cooling Technology fan speed control, delivering acoustically-
optimized thermal management
remote sensor
fan speed or switch the fans off as needed
Intel® Precision Cooling Technology
Intel Precision Cooling Technology automatically adjusts processor fan speed based on
the processor temperature and adjusts chassis fan speeds based on the internal
system temperature.
Chassis Intrusion
The board supports a chassis security feature that detects if the chassis cover has
been removed. The security feature uses a mechanical switch on the chassis that can
be connected to the chassis intrusion header on the Desktop Board. See Figure 23 for
the location of the c
hassis intrusion header.
20
Desktop Board Features
Power Management
Power management is implemented at several levels, including software support
through the Advanced Configuration and Power Interface (ACPI) and the following
hardware support:
• Power connectors
• Fan headers
• LAN wake capabilities
• Instantly Available PC technology (Suspend to RAM)
• +5 V standby power indicator LED
• Wake from USB
• Power Management Event (PME#) signal wake-up support
• WAKE# signal wake-up support
Desktop Board D5400XS is also ENERGY STAR capable.
Software Support
ACPI
ACPI gives the operating system direct control over the power management and Plug
and Play functions of a computer. The use of ACPI with the Desktop Board requires an
operating system that provides full ACPI support.
Hardware Support
Power Connectors
ATX12V-compliant power supplies can turn off the computer power through system
control. When an ACPI-enabled computer receives the correct command, the power
supply removes all non-standby voltages.
When resuming from an AC power failure, the computer returns to the power state it
was in before power was interrupted (either on or off). The computer’s response can
be set by using the Last Power State feature in the BIOS Setup program’s Boot menu.
The Desktop Board has four power connectors. See Figure 26 on page 54 for the
location of the power co
nnectors.
21
Intel Desktop Board D5400XS Product Guide
Fan Headers
The function/operation of the fans is as follows:
• The fans are on when the computer is in the ACPI S0 state.
• The fans are off when the computer is in the ACPI S3, S4, or S5 state.
• Each fan header is wired to a tachometer input of the hardware monitoring and
control device.
•All fan headers support closed-loop fan control that can adjust the fan speed or
switch the fan on or off as needed.
•All fan headers have a +12 V DC connection.
The Desktop Board has two 4-pin processor fan headers, one 4-pin and two 3-pin
chassis fan headers, one 3-pin MCH fan header, and one 3-pin DIMM cooling fan
header.
LAN Wake Capabilities
CAUTION
For LAN wake capabilities, the 5 V standby line for the power supply must be capable
of delivering adequate +5 V standby current. Failure to provide adequate standby
current when using this feature can damage the power supply.
LAN wakeup capabilities enable remote wake-up of the computer through a network.
The LAN subsystem monitors network traffic and upon detecting a Magic Packet*
frame, it asserts a wake-up signal that powers up the computer.
22
Desktop Board Features
Instantly Available PC Technology
CAUTIONS
For Instantly Available PC technology, the 5 V standby line for the power supply must
be capable of delivering adequate +5 V standby current. Failure to provide adequate
standby current when using this feature can damage the power supply and/or effect
ACPI S3 sleep state functionality.
Power supplies used with this Desktop Board must be able to provide enough standby
current to support the standard Instantly Available (ACPI S3 sleep state) configuration.
If the standby current necessary to support multiple wake events from the PCI and/or
USB buses exceeds power supply capacity, the Desktop Board may lose register
settings stored in memory.
Instantly Available PC technology enables the board to enter the ACPI S3 (Suspend-toRAM) sleep state. While in the S3 sleep state, the computer will appear to be off. If
the computer has a dual-colored power LED on the front panel, the sleep state is
indicated by the LED turning amber. When signaled by a wake-up device or event, the
computer quickly returns to its last known awake state.
The Desktop Board supports the PCI Bus Power Management Interface Specification.
Add-in cards that support this specification can participate in power management and
can be used to wake the computer.
+5 V Standby Power Indicator
CAUTION
If the AC power has been switched off and the standby power indicator is still lit,
disconnect the power cord before installing or removing any devices connected to the
board. Failure to do so could damage the board and any attached devices.
The Desktop Board’s standby power indicator, shown in Figure 4, is lit when there is
standby power still present on the board even when the computer appears to be off.
For example, when this green LED is lit, standby power is still present at the memory
module sockets and the PCI bus and PCI Express bus connectors.
23
Intel Desktop Board D5400XS Product Guide
Figure 4. Location of the Standby Power Indicator
Related Links
For more information on standby current requirements for the Desktop Board, refer to
the Technical Product Specification on the Desktop Board D5400XS page at
http://www.intel.com/products/motherboard/
24
.
Desktop Board Features
Wake from USB
NOTE
Wake from USB requires the use of a USB peripheral that supports Wake from USB
and an operating system that supports Wake from USB.
USB bus activity wakes the computer from an ACPI S3 state.
PME# Signal Wake-up Support
When the PME# signal on the PCI bus is asserted, the computer wakes from an
ACPI S1, S3, S4, or S5 state.
WAKE# Signal Wake-up Support
When the WAKE# signal on the PCI Express bus is asserted, the computer wakes from
an ACPI S1, S3, S4, or S5 state.
ENERGY STAR* Capable
In 2007, the US Department of Energy and the US Environmental Protection Agency
revised the ENERGY STAR requirements. Intel worked directly with these two
governmental agencies to define the new requirements. Currently Intel Desktop
Boards are capable of meeting the new ENERGY STAR requirements depending upon
system configuration.
Go to the following link for information and recommendations concerning the new
ENERGY STAR requirements: http://www3.intel.com/cd/channel/reseller/asmo-
na/eng/337748.htm.
Onboard Power and Reset Buttons
CAUTION
Electrostatic discharge (ESD) can damage components. Perform the procedure
described in this section only at an ESD workstation using an antistatic wrist strap and
a conductive foam pad. If such a station is not available, you can provide some ESD
protection by wearing an antistatic wrist strap and attaching it to a metal part of the
computer chassis.
A power button (Figure 5, A) and a reset button (Figure 5, B) on the Desktop Board
can be
facilities to remove standby power before making changes to the system configuration,
or for testing purposes. The reset button can be used to reset the system during
testing.
used to control the board. The power button is intended for use at integration
25
Intel Desktop Board D5400XS Product Guide
The power and reset buttons on the front panel are recommended for all other
instances of power cycling or resetting the computer.
Figure 5. Onboard Power and Reset Buttons
26
Desktop Board Features
Onboard VR and CPU LEDs
The Desktop board contains a red VR LED and a red CPU LED for each processor as
shown in Figure 6). These LEDs indicate the following conditions:
•When lit, the VR LE
processor voltage regulator circuit that could a
•When lit, the CPU LEDs (Figure 6, B and C) indicate an elevated tem
the processor that could affect performance.
Ds (Figure 6, A and D) indicate an elevated temperature in the
ffect performance.
perature on
Figure 6. Location of the VR and CPU LEDs
27
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