Intel D945GCLF2 specifications 2 USB

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Intel Desktop Board D945GCLF2 Technical Product Specification

1.6.2USB

The board supports up to eight USB 2.0 ports, supports UHCI and EHCI, and uses UHCI- and EHCI-compatible drivers.

The ICH7 provides the USB controller for all ports. The port arrangement is as follows:

•Four ports are implemented with dual stacked back panel connectors

•Four ports are routed to two separate front panel USB headers

NOTE

Computer systems that have an unshielded cable attached to a USB port may not meet FCC Class B requirements, even if no device is attached to the cable. Use shielded cable that meets the requirements for full-speed devices.

For information about

Refer to

 

 

The location of the USB connectors on the back panel

Figure 8, page 41

 

 

The location of the front panel USB headers

Figure 9, page 42

 

 

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Contents D945GCLF2 Revision History Revision Revision History DateTypographical Conventions Intended AudienceWhat This Document Contains Chapter DescriptionOther Common Notation Contents Error Messages and Beep Codes Contents TablesViii Feature Summary Feature SummaryOverview Instantly Available Board Layout Product DescriptionBoard Components Shown in Figure Item/callout From Figure DescriptionBlock Diagram Block DiagramProcessor Legacy ConsiderationsOnline Support To find information about… Visit this World Wide Web siteSupported Memory Configurations System MemoryFor information about… Refer to Intel 945GC Chipset Intel 945GC Graphics SubsystemIntel GMA950 Graphics Controller Configuration Modes Dynamic Video Memory Technology Dvmt2 USB Page Real-Time Clock Subsystem Serial Port Video OutputLegacy I/O Controller Parallel PortKeyboard and Mouse Interface Audio Subsystem Audio Jack Retasking SupportAudio Connectors and Headers Audio Subsystem SoftwareItem Description LAN Subsystem LAN Subsystem Software11.2 RJ-45 LAN Connector with Integrated LEDs LAN Connector LED StatesHardware Management Subsystem Hardware MonitoringThermal Monitoring Thermal Sensors and Fan HeadersPower Management Effects of Pressing the Power SwitchAcpi System States and Power States Power States and Targeted System PowerWake-up Devices and Events Wake-up Devices and EventsPower Connector Hardware SupportFan Headers LAN Wake CapabilitiesInstantly Available PC Technology Wake from USB 13.2.7 PME# Signal Wake-up Support13.2.8 +5 V Standby Power Indicator LED Wake from PS/2 DevicesEnergy Star Memory Map Addressable MemoryDetailed 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 One-Color Power LED Reset Switch HeaderPower/Sleep LED Header States for a Two-Color Power LEDConnection Diagram for Front Panel USB Headers Front Panel USB HeadersFunction/Mode Jumper Setting Configuration Jumper BlockMechanical Considerations Form FactorElectrical Considerations Power Supply ConsiderationsRecommended Power Supply Current Values Fan Header Current CapabilityThermal Considerations Add-in Board ConsiderationsComponent Maximum Case Temperature Thermal Considerations for ComponentsReliability Intel Desktop Board D945GCLF2 Environmental SpecificationsParameter Specification EnvironmentalPage Overview of Bios Features Introduction1 PCI* Autoconfiguration Bios Flash Memory OrganizationResource Configuration Bios Setup Program Menu BarSystem Management Bios Smbios Overview of Bios FeaturesLegacy USB Support Bios Updates Language SupportCustom Splash Screen Bios Recovery Acceptable Drives/Media Types for Bios RecoveryMedia Type Can be used for Bios recovery? Network Boot Boot OptionsCD-ROM Boot Booting Without Attached DevicesAdjusting Boot Speed Peripheral Selection and ConfigurationBios Boot Optimizations Bios Security Features Supervisor and User Password FunctionsPage Bios Front-panel Power LED Codes Front-panel Power LED Blink CodesType Pattern Bios Error Messages Bios Beep CodesBios Error Messages Beep CodesPort 80h Post Code Ranges Error Messages and Beep CodesPort 80h Post Codes Range Category/SubsystemPort 80h Post Codes Fixed Media Post Code Description of Post OperationMouse PS/2 or USB Removable MediaDXE Drivers Typical Port 80h Post Sequence Post Code DescriptionPage Regulatory Compliance Safety StandardsSafety Standards Standard TitleEuropean Union Declaration of Conformity Statement Disposal Considerations Regulatory Compliance and Battery Disposal InformationProduct Ecology Statements Recycling ConsiderationsEspañol Lead Free Intel Desktop Board RussianLead-Free Board Markings Description MarkEMC Regulations EMC RegulationsRegulation Title Product Certification Markings Board Level Product Certification MarkingsBattery Disposal Information PrecautionPrecaución 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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