-001 First release of the Intel® Desktop Board D945GCLF2D
Product Guide
-002 Second release of the Intel® Desktop Board D945GCLF2D
If an FCC declaration of conformity marking is present on the board, the following statement applies:
Product Guide
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
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 D945GCLF2D 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.
otherwise, to any intellectual property rights is granted by this document. Except as provided
November 2008
December 2008
Preface
This Product Guide gives information about board layout, component installation, and
regulatory requirements for Intel
®
Desktop Board D945GCLF2D.
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.
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Intel Desktop Board D945GCLF2D Product Guide
Terminology
The table below gives descriptions to some common terms used in the product guide.
This chapter briefly describes the main features of Intel® Desktop Board D945GCLF2D.
Table 1 summarizes the features of the Desktop Board.
Table 1. Feature Summary
Form Factor
Processor
Main Memory
Chipset
Graphics
Audio
Expansion
Capabilities
Peripheral
Interfaces
BIOS
LAN Support
Power Management
Supported
Operating Systems
For more information about Intel Desktop Board D945GCLF2D, including the Technical
Product Specification (TPS), BIOS updates, and device drivers, go to
A PCI bus add-in card connector
B Front panel audio header
C Back panel connectors
D 12 V processor core voltage connector (2 x 2)
E Rear fan (3-pin) header
F Processor
G DDR 2 DIMM connector
H Main power connector (2 x 12)
I IDE connector
J Serial ATA connectors (2)
K Front panel header
L Battery
M BIOS configuration jumper
N Hi-speed USB 2.0 header
O S/PDIF connector (3-pin)
Desktop Board Features
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Intel Desktop Board D945GCLF2D Product Guide
Processor
CAUTION
Failure to use an appropriate power supply and/or not connecting the 12 V (2 x 2)
power connector to the Desktop Board may result in damage to the board, or the
system may not function properly.
Intel Desktop Board D945GCLF2D includes a Dual-Core Intel Atom processor. The
processor is soldered to the Desktop Board and is not customer upgradeable.
Main 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 DIMMs 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 one 240-pin Double Data Rate 2 (DDR2) SDRAM Dual Inline
Memory Module (DIMM) connector with gold-plated contacts. It supports:
The GMCH component provides interfaces to the processor, memory, and the DMI
interconnect. This component also provides integrated graphics capabilities via the
®
Intel
Graphics Media Accelerator 950 (Intel® GMA 950).
The ICH7 is a centralized controller for the board’s I/O paths. For more information
about the Intel 945GC Express Chipset, go to
Intel Desktop Board D945GCLF2D has a 6-channel (5.1) onboard audio subsystem that
includes a Realtek ALC662 audio codec.
The audio subsystem features:
• Intel High Definition Audio interface
• Advanced jack sense, for the back panel connectors, that enables the audio codec
to recognize the device that is connected to an audio port and retask the connector
via the audio driver.
• S/N (signal-to-noise) ratio: 95 dB
• Microphone input supporting:
― Stereo microphone
― Microphone boost
The subsystem includes the following headers and connectors:
• Onboard S/PDIF connector (3-pin)
• Front panel audio header, including functionality for:
― Line out
― Microphone in
•Back panel audio connectors that are configurable through the audio device
drivers:
― Line in/retasking jack
― Line out/retasking jack
― Mic in/retasking jack
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Intel Desktop Board D945GCLF2D Product Guide
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.
Related Links:
Go to the following locations for more information about:
• Audio drivers and utilities http://support.intel.com/support/motherboards/desktop/
• Installing a front panel audio solution (page 31)
Input/Output (I/O) Controller
The super I/O controller features the following:
• One serial port
• One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port
(EPP) support
• Serial IRQ interface compatible with serialized IRQ support for PCI systems
• PS/2-style mouse and keyboard interfaces
• Intelligent power management, including a programmable wake up event interface
• PCI power management support
14
Desktop Board Features
LAN Subsystem
The LAN, based on the RealTek RTL8111C Ethernet Controller, provides the following
functions:
• 10/100/1000 Mb/s Gigabit Ethernet LAN
• Support for RJ-45 connector with status indicator LEDs
• Programmable transit threshold
• Configurable EEPROM that contains the MAC address
LAN Subsystem Software
For LAN software and drivers, refer to the Intel Desktop D945GCLF2D link on Intel’s
World Wide Web site at http://support.intel.com/support/motherboards/desktop
LAN Status LEDs
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
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
Activity (A) Green Blinking LAN activity is occurring.
Speed (B)
N/A Off 10 Mbits/s data rate is selected.
Green On (steady state) 100 Mbits/s data rate is selected.
Yellow On (steady state) 1000 Mbits/s data rate is selected.
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Intel Desktop Board D945GCLF2D Product Guide
Hi-Speed USB 2.0 Support
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.
The Desktop Board supports up to eight USB 2.0 ports (four ports routed to the back
panel and four ports routed to two onboard USB 2.0 headers). The USB 2.0 ports are
backward 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 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.
Enhanced IDE Interface
The IDE interface handles the exchange of information between the processor and
peripheral devices such as hard disks and optical drives inside the computer. The
interface supports:
• Up to two IDE devices (such as hard drives)
• ATAPI-style devices (such as CD-ROM or DVD drives)
• Older PIO Mode devices
• Ultra DMA-33/66/100 modes
Serial ATA
The Desktop Board supports two Serial ATA channels (3.0 Gb/s), connecting one
device per channel.
Expandability
The Desktop Board supports one PCI add-in card.
16
Desktop Board Features
BIOS
The BIOS provides the Power-On Self-Test (POST), the BIOS Setup program, the PCI
and IDE auto-configuration utilities, and the video BIOS.
IDE Auto Configuration
If you install an IDE device (such as a hard drive) in your computer, the autoconfiguration 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 an
IDE device. You can override the auto-configuration options by specifying manual
configuration in the BIOS Setup program.
PCI Auto Configuration
If you install a PCI add-in card in your computer, the PCI 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 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 36.
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Intel Desktop Board D945GCLF2D Product Guide
Power Management Features
Power management is implemented at several levels, including:
• Advanced Configuration and Power Interface (ACPI)
• Hardware support:
― Power connectors
― Fan headers
― +5 V standby power indicator LED
― LAN Wake capabilities
― Wake from USB
― Wake from PS/2 keyboard/mouse
― PME# wakeup 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
The Desktop Board has two power connectors. See Figure 13 on page 34 for the
location of the power connectors.
Fan Headers
The Desktop Board has a 3-pin MCH fan header and a 3-pin chassis fan header. See
Figure 12 on page 33 for the location of the chassis fan header.
+5 V Standby Power Indicator LED
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 socket and the PCI bus
connector, even though the computer appears to be off.
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