Intel D945GCLF2 Intended Audience, What This Document Contains, Typographical Conventions

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Preface

This Technical Product Specification (TPS) specifies the board layout, components, connectors, power and environmental requirements, and the BIOS for the Intel® Desktop Board D945GCLF2. It describes the standard product and available manufacturing options.

Intended Audience

The TPS is intended to provide detailed, technical information about the Intel Desktop Board D945GCLF2 and its components to the vendors, system integrators, and other engineers and technicians who need this level of information. It is specifically not intended for general audiences.

What This Document Contains

Chapter Description

1A description of the hardware used on the board

2A map of the resources of the board

3The features supported by the BIOS Setup program

4A description of the BIOS error messages, beep codes, and POST codes

5Regulatory compliance and battery disposal information

Typographical Conventions

This section contains information about the conventions used in this specification. Not all of these symbols and abbreviations appear in all specifications of this type.

Notes, Cautions, and Warnings

NOTE

Notes call attention to important information.

INTEGRATOR’S NOTES

Integrator’s notes are used to call attention to information that may be useful to system integrators.

CAUTION

Cautions are included to help you avoid damaging hardware or losing data.

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Contents D945GCLF2 Revision Revision History Date Revision HistoryChapter Description Intended AudienceWhat This Document Contains Typographical ConventionsOther Common Notation Contents Error Messages and Beep Codes Tables ContentsViii Feature Summary Feature SummaryOverview Instantly Available Product Description Board LayoutItem/callout From Figure Description Board Components Shown in FigureBlock Diagram Block DiagramTo find information about… Visit this World Wide Web site Legacy ConsiderationsOnline Support ProcessorSupported Memory Configurations System MemoryFor information about… Refer to Intel 945GC Chipset Intel 945GC Graphics SubsystemIntel GMA950 Graphics Controller Dynamic Video Memory Technology Dvmt Configuration Modes2 USB Page Real-Time Clock Subsystem Parallel Port Video OutputLegacy I/O Controller Serial PortKeyboard and Mouse Interface Audio Jack Retasking Support Audio SubsystemAudio Connectors and Headers Audio Subsystem SoftwareItem Description LAN Subsystem Software LAN SubsystemLAN Connector LED States 11.2 RJ-45 LAN Connector with Integrated LEDsHardware Monitoring Hardware Management SubsystemThermal Sensors and Fan Headers Thermal MonitoringPower Management Effects of Pressing the Power SwitchAcpi Power States and Targeted System Power System States and Power StatesWake-up Devices and Events Wake-up Devices and EventsHardware Support Power ConnectorLAN Wake Capabilities Fan HeadersInstantly Available PC Technology Wake from PS/2 Devices 13.2.7 PME# Signal Wake-up Support13.2.8 +5 V Standby Power Indicator LED Wake from USBEnergy Star Addressable Memory Memory MapDetailed System Memory Address Map System Memory Map Technical ReferenceAddress Range Decimal Hex Size Description Connectors and Headers Back Panel Connectors Back Panel ConnectorsComponent-side Connectors and Headers Component-side Connectors and HeadersComponent-side Connectors and Headers Shown in Figure Signal Tables for the Connectors and Headers Add-in Card Connectors Power Supply ConnectorsMain Power Connector ATX12V Power Connector Front Panel Header Front Panel HeaderStates for a Two-Color Power LED Reset Switch HeaderPower/Sleep LED Header States for a One-Color Power LEDFront Panel USB Headers Connection Diagram for Front Panel USB HeadersJumper Block Function/Mode Jumper Setting ConfigurationForm Factor Mechanical ConsiderationsFan Header Current Capability Power Supply ConsiderationsRecommended Power Supply Current Values Electrical ConsiderationsAdd-in Board Considerations Thermal ConsiderationsThermal Considerations for Components Component Maximum Case TemperatureEnvironmental Intel Desktop Board D945GCLF2 Environmental SpecificationsParameter Specification ReliabilityPage Introduction Overview of Bios FeaturesBios Setup Program Menu Bar Bios Flash Memory OrganizationResource Configuration 1 PCI* AutoconfigurationOverview of Bios Features System Management Bios SmbiosLegacy USB Support Bios Updates Language SupportCustom Splash Screen Bios Recovery Acceptable Drives/Media Types for Bios RecoveryMedia Type Can be used for Bios recovery? Booting Without Attached Devices Boot OptionsCD-ROM Boot Network BootAdjusting Boot Speed Peripheral Selection and ConfigurationBios Boot Optimizations Supervisor and User Password Functions Bios Security FeaturesPage Bios Front-panel Power LED Codes Front-panel Power LED Blink CodesType Pattern Beep Codes Bios Beep CodesBios Error Messages Bios Error MessagesRange Category/Subsystem Error Messages and Beep CodesPort 80h Post Codes Port 80h Post Code RangesPort 80h Post Codes Removable Media Post Code Description of Post OperationMouse PS/2 or USB Fixed MediaDXE Drivers Post Code Description Typical Port 80h Post SequencePage Standard Title Safety StandardsSafety Standards Regulatory ComplianceEuropean Union Declaration of Conformity Statement Recycling Considerations Regulatory Compliance and Battery Disposal InformationProduct Ecology Statements Disposal ConsiderationsEspañol Russian Lead Free Intel Desktop BoardDescription Mark Lead-Free Board MarkingsEMC Regulations EMC RegulationsRegulation Title Product Certification Markings Product Certification Markings Board LevelPrecaution Battery Disposal InformationPrecaución Awas

D945GCLF2 specifications

The Intel D945GCLF2 is a compact and efficient motherboard designed for the Intel Atom processor family, particularly suited for low-power, cost-sensitive systems. This mini-ITX form factor board was released as a part of Intel's D945 series, targeting small form factor PCs, embedded systems, and home theater PC (HTPC) builds.

One of the standout features of the D945GCLF2 is its support for the Intel Atom N270 processor, a dual-core CPU that operates at a low thermal design power (TDP) of just 4 watts. This makes the board ideal for users looking to build energy-efficient systems without compromising on performance. The motherboard supports up to 2GB of DDR2 RAM, utilizing a single-channel memory architecture, which, while modest by today’s standards, suffices for basic computing tasks such as browsing, document editing, and media playback.

In terms of connectivity, the D945GCLF2 integrates a variety of I/O ports that enhance usability. It features four USB 2.0 ports, one PCI slot, and an IDE connector, catering to older peripherals while also allowing for the installation of additional components like graphics cards and network adapters. The onboard Intel Graphics Media Accelerator 950 provides adequate graphics performance for everyday activities and even supports HD video playback, making it a solid choice for multimedia applications.

Incorporating Intel's Advanced Configuration and Power Interface (ACPI) technology, the D945GCLF2 allows for efficient power management, giving users the flexibility to optimize their system's energy consumption. The board also includes essential connectivity options such as Ethernet through a 10/100 LAN port, facilitating wired networking capabilities.

Furthermore, the D945GCLF2 is equipped with multiple storage options; it provides support for Serial ATA (SATA) devices, allowing for faster data transfer rates compared to traditional PATA drives. The BIOS is user-friendly and offers a range of settings for users looking to tweak their system's performance.

Overall, the Intel D945GCLF2 motherboard is a robust solution for anyone looking to build a low-cost, low-power computing system. Its combination of small form factor, energy efficiency, and decent performance makes it suitable for a variety of applications, from basic user tasks to serving as the core of a compact home theater setup. Despite its age, the D945GCLF2 remains relevant for specific, budget-friendly builds, showcasing Intel's legacy in innovative motherboard design.
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