Intel D945GCLF2 specifications Front Panel Header

Page 47

Technical Reference

2.2.2.4Front Panel Header

This section describes the functions of the front panel header. Table 18 lists the signal names of the front panel header. Figure 10 is a connection diagram for the front panel header.

Table 18. Front Panel Header

 

 

 

 

In/

 

 

Pin

 

Signal

 

Out

 

Description

 

 

 

 

 

 

 

 

 

Hard Drive Activity LED

1

 

HD_PWR

 

Out

 

Hard disk LED

 

 

 

 

 

 

 

 

 

pull-up to +5 V

3

 

HDA#

 

Out

 

Hard disk active

 

 

 

 

 

 

LED

 

 

 

 

 

 

 

 

 

Reset Switch

5

 

Ground

 

 

 

Ground

 

 

 

 

7

 

FP_RESET#

 

In

 

Reset switch

 

 

 

 

 

 

 

 

 

 

Power

 

 

9

 

+5 V

 

 

 

Power

 

 

 

 

 

 

 

 

 

 

 

 

 

In/

 

Pin

Signal

Out

Description

 

 

 

 

 

Power LED

 

 

 

 

 

2

HDR_BLNK_GRN

Out

Front panel green

 

 

 

LED

 

 

 

 

4

HDR_BLNK_YEL

Out

Front panel yellow

 

 

 

LED

 

 

 

 

 

On/Off Switch

 

 

 

 

6

FPBUT_IN

In

Power switch

 

 

 

 

8

Ground

 

Ground

 

 

 

 

 

Not Connected

 

 

 

 

10

N/C

 

Not connected

 

 

 

 

Figure 10. Connection Diagram for Front Panel Header

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Image 47
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 Overview Feature SummaryFeature Summary 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 ProcessorFor information about… Refer to Supported Memory ConfigurationsSystem Memory Intel GMA950 Graphics Controller Intel 945GC ChipsetIntel 945GC Graphics Subsystem 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 SubsystemItem Description Audio Connectors and HeadersAudio Subsystem Software 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 MonitoringAcpi Power ManagementEffects of Pressing the Power Switch 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 Address Range Decimal Hex Size Description System Memory MapTechnical Reference 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 Main Power Connector Add-in Card ConnectorsPower Supply Connectors 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 Custom Splash Screen Bios UpdatesLanguage Support Media Type Can be used for Bios recovery? Bios RecoveryAcceptable Drives/Media Types for Bios Recovery Booting Without Attached Devices Boot OptionsCD-ROM Boot Network BootBios Boot Optimizations Adjusting Boot SpeedPeripheral Selection and Configuration Supervisor and User Password Functions Bios Security FeaturesPage Type Pattern Bios Front-panel Power LED CodesFront-panel Power LED Blink Codes 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 MarkingsRegulation Title EMC RegulationsEMC Regulations 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.