Intel BOXD525MW User manual

Intel® Desktop Board D525MW
Product Guide
Order Number: E95576-001

Revision History
Revision Revision History Date
-001 First release of the Intel®Desktop Board D525MW Product
Guide
June 2010
Disclaimer
Information in this document is provided in connection with Intel®products. No license, express or implied,
by estoppel or otherwise, to any intellectual property rights is 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.
Intel Desktop Board D525MW 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.
Intel, the Intel logo, and Intel Atom are trademarks of Intel Corporation in the U. S. and other countries.
* Other names and brands may be claimed as the property of others.
Copyright © 2010 Intel Corporation. All rights reserved.

iii
Preface
This Product Guide gives information about board layout, component installation, and
regulatory requirements for Intel®Desktop Board D525MW.
Intended Audience
The Product Guide is intended for technically qualified personnel. It is not intended for
general audiences.
Intended Uses
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: a description of how to update the BIOS
A BIOS Error Messages: information about BIOS error messages and beep codes
B Regulatory Compliance: safety and EMC regulations and 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.

Intel Desktop Board D525MW Product Guide
iv
Terminology
The table below gives descriptions to some common terms used in the product guide.
Term Description
GB Gigabyte (1,073,741,824 bytes)
GHz Gigahertz (one billion hertz)
KB Kilobyte (1024 bytes)
MB Megabyte (1,048,576 bytes)
Mbit Megabit (1,048,576 bits)
MHz Megahertz (one million hertz)

v
Contents
1Desktop Board Features
Desktop Board Components.................................................................................11
Processor..........................................................................................................13
System Memory.................................................................................................13
Integrated Graphics Subsystem ...........................................................................14
Intel®NM10 Express Chipset ...............................................................................14
Operating System Support ..................................................................................14
Onboard Audio Subsystem ..................................................................................14
Legacy Input/Output (I/O) Controller ....................................................................16
LAN Subsystem .................................................................................................16
USB 2.0 Support................................................................................................17
SATA Interface ..................................................................................................17
Expandability.....................................................................................................17
BIOS................................................................................................................18
PCI/PCI Express Auto Configuration ..............................................................18
Security Passwords.....................................................................................18
Power Management Features ...............................................................................19
ACPI.........................................................................................................19
Hardware Support ......................................................................................19
Battery.............................................................................................................22
Real-Time Clock.................................................................................................22
2Installing and Replacing Desktop Board Components
Before You Begin ...............................................................................................23
Installation Precautions.......................................................................................25
Prevent Power Supply Overload ....................................................................25
Observe Safety and Regulatory Requirements.................................................25
Installing the I/O Shield ......................................................................................26
Installing and Removing the Desktop Board ...........................................................27
Installing and Removing Memory..........................................................................28
Connecting SATA Drives......................................................................................29
Installing a Wireless LAN Card in the PCI Express Mini Card Slot ...............................30
Installing an Intel®Z-U130 USB Solid-State Drive or Compatible Device ....................32
Connecting to the Internal Headers ......................................................................33
Connecting to the Front Panel Audio Header ...................................................34
Connecting to the S/PDIF Header..................................................................34
Connecting to the Serial Port Header .............................................................35
Connecting to the Front Panel USB 2.0 Headers ..............................................35
Connecting to the Front Panel Header............................................................36
Connecting to the Front Panel Wireless Activity LED Header..............................36
Connecting a Chassis Fan....................................................................................37
Connecting a Power Supply .................................................................................38
Setting the BIOS Configuration Jumper .................................................................39
Clearing Passwords.....................................................................................40
Replacing the Battery .........................................................................................41

Intel Desktop Board D525MW Product Guide
vi
3Updating the BIOS
Updating the BIOS with the Intel®Express BIOS Update Utility.................................47
Updating the BIOS with the Iflash Memory Update Utility.........................................48
Obtaining the BIOS Update File ....................................................................48
Using the Iflash Memory Update Utility ..........................................................48
Recovering the BIOS...................................................................................49
ABoard Status and Error Messages
BIOS Beep Codes...............................................................................................51
BIOS Front-panel Power LED Blink Codes ..............................................................52
POST Error Messages..........................................................................................52
BRegulatory Compliance
Safety Standards ...............................................................................................53
Battery Caution ..........................................................................................53
European Union Declaration of Conformity Statement..............................................54
Product Ecology Statements ................................................................................55
Recycling Considerations .............................................................................55
China RoHS ...............................................................................................58
EMC Regulations ................................................................................................59
FCC Declaration of Conformity......................................................................59
Canadian Department of Communications Compliance Statement......................60
Japan VCCI Statement ................................................................................60
Korea Class B Statement .............................................................................61
Ensure Electromagnetic Compatibility (EMC) Compliance..................................61
Product Certifications..........................................................................................62
Board-Level Certifications ............................................................................62
Chassis- and Component-Level Certifications..................................................63
ENERGY STAR*, e-Standby, and ErP Compliance ....................................................64

Contents
vii
Figures
1. Intel Desktop Board D525MW Components ......................................................11
2. Back Panel Audio Connectors .........................................................................15
3. LAN Status LEDs ..........................................................................................16
4. Location of the Standby Power Indicator ..........................................................20
5. Installing the I/O Shield ................................................................................26
6. Intel Desktop Board D525MW Mounting Screw Holes .........................................27
7. Installing System Memory .............................................................................28
8. Connecting the Serial ATA Cable .....................................................................29
9. Installing a Full-Mini Card Wireless LAN Card ....................................................30
10. Installing a Half-Mini Card Wireless LAN Card ...................................................31
11. Installing an Intel Z-U130 USB Solid-State Drive (or Compatible Device)..............32
12. Internal Headers ..........................................................................................33
13. Location of the Chassis Fan Header .................................................................37
14. Connecting Power Supply Cables ....................................................................38
15. BIOS Configuration Jumper Block....................................................................39
16. Removing the Battery ...................................................................................45
17. Intel Desktop Board D525MW China RoHS Material Self Declaration Table.............58
Tables
1. Feature Summary.......................................................................................... 9
2. Intel Desktop Board D525MW Components ......................................................12
3. Audio Jack Support .......................................................................................15
4. LAN Status LEDs ..........................................................................................17
5. Front Panel Audio Header for Intel HD Audio.....................................................34
6. Front Panel Audio Header for AC ‘97 Audio .......................................................34
7. S/PDIF Header .............................................................................................34
8. Serial Port Header (COM 1)............................................................................35
9. Front Panel USB Header ................................................................................35
10. Front Panel USB Header with Intel Z-U130 USB Solid-State Drive or
Compatible Device Support ............................................................................35
11. Front Panel Header Signal Names ...................................................................36
12. Front Panel Wireless Activity LED Header .........................................................36
13. Jumper Settings for the BIOS Setup Program Modes..........................................40
14. AcceptableDrives/Media Types for BIOS Recovery .............................................49
15. BIOS Beep Codes .........................................................................................51
16. BIOS Front-panel Power LED Blink Codes .........................................................52
17. POST Error Messages ....................................................................................52
18. Safety Standards..........................................................................................53
19. EMC Regulations...........................................................................................59
20. Regulatory Compliance Marks.........................................................................62
21. ENERGY STAR Requirements ..........................................................................64

Intel Desktop Board D525MW Product Guide
viii

9
1 Desktop Board Features
This chapter briefly describes the main features of Intel®Desktop Board D525MW.
Table 1 summarizes the features of the Desktop Board.
Table 1. Feature Summary
Form Factor Mini-ITX ([170 millimeters [6.7 inches] x 170 millimeters [6.7 inches])
Processor Passively-cooled, soldered-down dual-core Intel®Atom™processor with
integrated graphics and memory controllers.
Main Memory •Two 204-pin Double Data Rate 3 (DDR3) Small Outline Dual Inline
Memory Module (SO-DIMM) sockets with gold-plated contacts
•Support for DDR3 800/1066/1333 MHz SO-DIMMs (DDR3 1066 MHz
and DDR3 1333 MHz SO-DIMMs operate at 800 MHz only)
•Support for up to 4 GB of system memory
Chipset Intel®NM10 Express Chipset
Integrated
Graphics
Intel®Graphics Media Accelerator 3150 (Intel®GMA 3150) integrated
graphics subsystem with support for analog displays (VGA)
Audio RealTek* ALC662 audio codec for 5.1 (6-channel) Intel®High
Definition Audio (Intel®HD Audio) and AC ’97 Audio. Included are:
•Back panel connectors
•Front panel microphone/headphone header with support for
Intel®HD Audio or AC ’97 Audio
•S/PDIF digital audio header
Expansion
Capabilities One PCI* bus add-in card connector
One PCI Express* Full-Mini Card slot with optional Half-Mini Card
support
Peripheral
Interfaces
•Seven USB 2.0 ports:
―Four back panel ports
―Three front panel ports (via two internal headers; one header
supports an Intel®Z-U130 USB Solid-State Drive or compatible
device
•Two Serial ATA (SATA) 3.0 Gb/s connectors
Legacy I/O Control Winbond* W83627DGH-A legacy I/O controller providing:
•One serial port header
•One serial port back panel connector
•One parallel port back panel connector
•PS/2 keyboard and mouse connectors
Hardware Monitor
Subsystem Hardware monitoring through the Winbond legacy I/O controller,
including:
•Remote thermal sensor
•One 3-pin chassis fan header with speed control
LAN Support 10/100/1000 Mb/s (Gigabit) Ethernet LAN Subsystem using a RealTek*
8111E Gigabit Ethernet Controller

Intel Desktop Board D525MW Product Guide
10
BIOS •Intel®BIOS
•Support for Advanced Configuration and Power Interface (ACPI),
Plug and Play, and SMBIOS
Instantly Available
PC Technology
•Support for PCI Local Bus Specification, Revision 2.3
•Support for Advanced Configuration and Power Interface (ACPI)
•Wake on USB, PCI, PCI Express, PS/2, LAN, serial, and front panel
For more information on Intel Desktop Board D525MW consult the following online
resources:
To find information
about…
Visit this World Wide Web site:
Intel Desktop Board
D525MW
http://www.intel.com/products/motherboard/index.htm
Desktop Board Support http://www.intel.com/p/en_US/support?iid=hdr+support
Available configurations
for Intel Desktop Board
D525MW
http://ark.intel.com
Chipset information http://www.intel.com/products/desktop/chipsets/index.htm
BIOS and driver updates http://downloadcenter.intel.com/
Integration information http://www.intel.com/support/go/buildit

Desktop Board Features
11
Desktop Board Components
Figure 1 shows the location of the major components on Intel Desktop Board
D525MW.
Figure 1. Intel Desktop Board D525MW Components

Intel Desktop Board D525MW Product Guide
12
Table 2. Intel Desktop Board D525MW Components
Label Description
A Back panel connectors
B Serial header (COM1)
C Chassis fan header
D 12 V processor core voltage connector (2 x 2 pin)
E Processor
F Main power connector (2 x 12 pin)
G SO-DIMM 0 slot
H SO-DIMM 1 slot
I Battery
J SATA 1
K SATA 0
L USB front panel header
M Front panel header
N Standby power indicator
O BIOS configuration jumper block
P PCI Express Mini Card slot
Q Intel NM10 Express Chipset
R Front panel wireless activity LED header
S USB front panel header with Intel Z-U130 USB Solid-State Drive (or
compatible device) support
T PCI bus connector
U S/PDIF header
V Front panel audio header

Desktop Board Features
13
Processor
Intel Desktop Board D525MW includes a passively-cooled, dual-core Intel Atom
processor with integrated graphics and memory controller. The processor is soldered
to the Desktop Board and is not customer upgradeable.
NOTE
The board is designed to be passively cooled in a properly ventilated chassis. Chassis
venting locations are recommended above the processor heatsink area for maximum
heat dissipation effectiveness.
System Memory
NOTE
To be fully compliant with all applicable Intel®SDRAM memory specifications, the
board should be populated with DIMMs 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 has two 204-pin DDR3 SO-DIMM sockets with gold-plated contacts.
These sockets support:
•Support for DDR3 800/1066/1333 MHz SO-DIMMs (DDR3 1066 MHz and DDR3
1333 MHz SO-DIMMs operate at 800 MHz only)
•Serial Presence Detect (SPD) memory only
•Non-ECC memory
•Up to 4 GB of memory

Intel Desktop Board D525MW Product Guide
14
Integrated Graphics Subsystem
The integrated Intel GMA 3150 graphics controller features the following:
•400 MHz core frequency
•High quality texture engine
⎯DX9.0c* and OpenGL* 1.4 compliant
⎯Hardware Pixel Shader 2.0
⎯Vertex Shader Model 2.0
•3D Graphics Rendering enhancements
⎯1.6 dual texture GigaPixel/s max fill rate
⎯16-bit and 32-bit color
⎯Vertex cache
•Video
⎯Software DVD at 30 fps full screen
⎯DVMT support up to 256 MB
•Supports analog displays up to 2048 x 1536 at 75 Hz refresh (QXGA)
Intel®NM10 Express Chipset
The Intel NM10 Express Chipset is a centralized controller for the board’s I/O paths.
For more information about the Intel NM10 Express Chipset, go to
http://www.intel.com/products/chipsets/index.htm?iid=prod+prod_chipset.
Operating System Support
The following Microsoft* operating systems are fully supported by the Desktop Board:
•Microsoft Windows Vista* Basic Service Pack 1
•Microsoft Windows* XP Home Service Pack 3
•Microsoft Windows* 7 Home Basic and Starter
Onboard Audio Subsystem
The Intel Desktop Board D525MW 6-channel (5.1) onboard audio subsystem supports
both Intel HD Audio and AC ’97 Audio. The subsystem is based on the following
components:
•Intel NM10 Express Chipset
•RealTek ALC662 audio codec
The subsystem includes the following headers and connectors:
•Front panel audio header (supports both Intel HD Audio and AC ’97), including
functionality for:
―Line out (headphones/speaker)
―Microphone in
•Three back panel analog audio jacks
•Onboard S/PDIF output header (3 pin)

Desktop Board Features
15
The front/back panel audio connectors are configurable through the audio device
drivers. Table 3 lists the supported functions of the front panel and back panel jacks.
Table 3. Audio Jack Support
Audio Jack
Line
In
Line/
Front Out
Rear Out Center/
LFE Microphone Headphones
Front panel – Green No Yes No No No Yes
Front panel – Pink No No No No Yes No
Back panel – Blue Yes No Yes No No No
Back panel – Green No Yes No No No Yes
Back panel – Pink No No No Yes Yes No
Figure 2 shows the default assignment of the back panel audio connectors.
Item Description
A Line In
B Line Out
C Mic In
Figure 2. Back Panel Audio Connectors
NOTE
The back panel audio line out connector is designed to power headphones or amplified
speakers only. Poor audio quality occurs if passive (non-amplified) speakers are
connected to this output.

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16
Legacy Input/Output (I/O) Controller
The legacy I/O controller provides the following:
•Two serial ports (one via a back panel connector and one via an onboard header)
•One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port
(EPP) support via a back panel connector
•Serial IRQ interface compatible with serialized IRQ support for PCI systems
•PS/2-style keyboard and mouse ports
•Intelligent power management, including a programmable wake up event interface
•PCI power management support
The BIOS Setup program provides configuration options for the legacy I/O controller.
LAN Subsystem
The LAN subsystem consists of the following:
•Intel NM10 Express Chipset
•Realtek 8111E Gigabit Ethernet Controller for 10/100/1000 Mbits/s Ethernet LAN
connectivity
•RJ-45 LAN connector with integrated status LEDs
Additional features of the LAN subsystem include:
•CSMA/CD protocol engine
•LAN connect interface that supports the ethernet controller
•PCI bus power management
⎯Supports ACPI technology
⎯Supports LAN wake capabilities
LAN drivers are available from Intel’s World Wide Web site at
http://downloadcenter.intel.com/.
Two LEDs are built into the RJ-45 LAN connector located on the back panel (see
Figure 3). These LEDs indicate the operating states of the LAN.
Figure 3. LAN Status LEDs

Desktop Board Features
17
Table 4 describes the LED states when the board is powered up and the LAN
subsystem is operating.
Table 4. LAN Status LEDs
LED LED Color LED State Indicates
Activity (A) Green Blinking LAN activity is occurring.
N/A Off 10 Mbits/s data rate is selected.
Green On 100 Mbits/s data rate is selected.
Speed (B)
Yellow On 1000 Mbits/s data rate is selected.
USB 2.0 Support
The Desktop Board supports up to seven USB 2.0 ports (four ports routed to the back
panel and three ports routed to two front panel USB 2.0 headers). One of the front
panel USB headers supports an Intel Z-U130 USB Solid-State Drive or compatible
device. The USB 2.0 ports are compatible with USB 1.1 devices. USB 1.1 devices will
function normally at USB 1.1 speeds.
USB 2.0 support requires both an operating system and drivers that fully support
USB 2.0 transfer rates. Disabling High-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.
NOTE
Computer systems that have an unshielded cable attached to a USB port might not
meet FCC Class B requirements, even if no device or a low-speed USB device is
attached to the cable. Use a shielded cable that meets the requirements for a
full-speed USB device.
SATA Interface
The Desktop Board supports two SATA channels (3.0 Gb/s) that support one device
per channel. The SATA controller supports IDE and ACHI configuration and can
operate in both legacy and native modes.
Expandability
The Desktop Board provides the following expansion capability:
•One PCI connector. The connector can support either a single PCI add-in card or a
single- or dual-slot PCI riser card.
•One PCI Express Full-Mini Card slot.

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18
BIOS
The BIOS provides the Power-On Self-Test (POST), the BIOS Setup program, the PCI
and SATA auto-configuration utilities, and the video BIOS.
PCI/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.
For instructions on resetting the password, see Clearing Passwords on page 40.

Desktop Board Features
19
Power Management Features
Power management is implemented at several levels, including:
•Software support through the Advanced Configuration and Power Interface (ACPI)
•Hardware support:
―Power connector
―Fan header
―+5 V standby power indicator LED
―LAN Wake capabilities
―Instantly Available PC technology
―Wake from USB
―Wake from PS/2 devices
―PME# wakeup support
―WAKE# signal wakeup support
―Wake from serial port
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
Fan Header
The Desktop Board has a 3-pin chassis fan header. See Figure 13 on page 37 for the
location of the chassis fan header.
+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 to the system. This includes the DIMM sockets and the PCI bus
connector, even though the computer appears to be off.

Intel Desktop Board D525MW Product Guide
20
Figure 4. Location of the Standby Power Indicator
For more information on standby current requirements for the Desktop Board, refer to
the Technical Product Specification on the Intel Desktop D525MW web page at
http://www.intel.com/products/motherboard/D525MW/index.htm.
Instantly Available PC Technology
Instantly Available PC technology enables the board to enter the ACPI S3 (Suspend-to-
RAM) sleep-state. While in the ACPI S3 sleep-state, the computer will appear to be off
(the hard drive(s) and fan will power off, the front panel power LED will blink). When
signaled by a wake-up device or event, the system quickly returns to its last known
state.
The board supports the PCI Bus Power Management Interface Specification. Add-in
boards that also support this specification can participate in power management and
can be used to wake the computer.
The use of Instantly Available PC technology requires operating system support and
PCI 2.3 compliant add-in cards and drivers.