Intel D945GCLF Spécifications

April 2008 Order Number: E35968-001US The Intel® Desktop Board D945GCLF may contain design defects or errors known as errata that may cause the

Intel Desktop Board D945GCLF Technical Product Specification 10 1.1 Overview 1.1.1 Feature Summary Table 1 summarizes the major features of the De

Product Description 11 Table 1. Feature Summary (continued) Instantly Available PC Technology • Support for PCI* Local Bus Specification Revision 2

Intel Desktop Board D945GCLF Technical Product Specification 12 1.1.2 Board Layout Figure 1 shows the location of the major components. Figure 1.

Product Description 13 Table 2. Board Components Shown in Figure 1 Item/callout from Figure 1 Description A PCI Conventional bus add-in card connec

Intel Desktop Board D945GCLF Technical Product Specification 14 1.1.3 Block Diagram Figure 2 is a block diagram of the major functional areas. F

Product Description 15 1.2 Legacy Considerations This board differs from other Intel Desktop Board products, with specific changes including (but no

Intel Desktop Board D945GCLF Technical Product Specification 16 1.5 System Memory The board has one 240-pin DIMM socket and supports the following

Product Description 17 1.6 Intel® 945GC Chipset The Intel 945GC chipset consists of the following devices: • Intel 82945GC Graphics Memory Controll

Intel Desktop Board D945GCLF Technical Product Specification 18 • Video ⎯ Hardware motion compensation for MPEG2 ⎯ Software DVD at 30 fps full sc

Product Description 19 1.6.2 USB The board supports up to six USB 2.0 ports, supports UHCI and EHCI, and uses UHCI- and EHCI-compatible drivers. T

Revision History Revision Revision History Date -001 First release of the Intel® Desktop Board D945GCLF Technical Product Specification. April 2008

Intel Desktop Board D945GCLF Technical Product Specification 20 1.6.3 IDE Support The board provides three IDE interface connectors: • One paralle

Product Description 21  NOTE Many Serial ATA drives use new low-voltage power connectors and require adapters or power supplies equipped with low-vo

Intel Desktop Board D945GCLF Technical Product Specification 22 1.8 Legacy I/O Controller The I/O controller provides the following features: • On

Product Description 23 1.9 Audio Subsystem The audio subsystem consists of the following devices: • Intel 82801GB ICH7 • Realtek ALC662 audio code

Intel Desktop Board D945GCLF Technical Product Specification 24 1.9.1 Audio Subsystem Software Audio software and drivers are available from Intel’

Product Description 25 1.10 LAN Subsystem The LAN subsystem consists of the following: • Intel 82801GB ICH7 • Realtek RTL8102EL device for 10/100

Intel Desktop Board D945GCLF Technical Product Specification 26 1.10.2 RJ-45 LAN Connector with Integrated LEDs Two LEDs are built into the RJ-45 L

Product Description 27 1.11 Hardware Management Subsystem The hardware management features enable the board to be compatible with the Wired for Mana

Intel Desktop Board D945GCLF Technical Product Specification 28 1.11.2 Thermal Monitoring Figure 5 shows the locations of the thermal sensors and f

Product Description 29 1.12 Power Management Power management is implemented at several levels, including: • Software support through Advanced Conf

iii Preface This Technical Product Specification (TPS) specifies the board layout, components, connectors, power and environmental requirements, an

Intel Desktop Board D945GCLF Technical Product Specification 30 1.12.1.1 System States and Power States Under ACPI, the operating system directs al

Product Description 31 1.12.1.2 Wake-up Devices and Events Table 8 lists the devices or specific events that can wake the computer from specific st

Intel Desktop Board D945GCLF Technical Product Specification 32 1.12.2 Hardware Support CAUTION Ensure that the power supply provides adequate +5

Product Description 33 1.12.2.2 Fan Headers The function/operation of the fan headers is as follows: • The fans are on when the board is in the S0

Intel Desktop Board D945GCLF Technical Product Specification 34 1.12.2.4 Instantly Available PC Technology CAUTION For Instantly Available PC tech

Product Description 35 1.12.2.5 Wake from USB USB bus activity wakes the computer from ACPI S1 and S3 state.  NOTE Wake from USB requires the use o

Intel Desktop Board D945GCLF Technical Product Specification 36 Figure 6. Location of the Standby Power Indicator LED 1.12.3 ENERGY STAR* In 200

37 2 Technical Reference What This Chapter Contains 2.1 Memory Map...

Intel Desktop Board D945GCLF Technical Product Specification 38 The amount of installed memory that can be used will vary based on add-in cards and

Technical Reference 39 Table 9 lists the system memory map. Table 9. System Memory Map Address Range (decimal) Address Range (hex) Size Descriptio

Intel Desktop Board D945GCLF Technical Product Specification iv Other Common Notation # Used after a signal name to identify an active-low signal

Intel Desktop Board D945GCLF Technical Product Specification 40 2.2 Connectors and Headers CAUTION Only the following connectors have overcurrent

Technical Reference 41 2.2.1 Back Panel Connectors Figure 8 shows the location of the back panel connectors. Item Description A PS/2 mouse port

Intel Desktop Board D945GCLF Technical Product Specification 42 2.2.2 Component-side Connectors and Headers Figure 9 shows the locations of the com

Technical Reference 43 Table 10 lists the component-side connectors and headers identified in Figure 9. Table 10. Component-side Connectors and Hea

Intel Desktop Board D945GCLF Technical Product Specification 44 2.2.2.1 Signal Tables for the Connectors and Headers Table 11. Front Panel Audio

Technical Reference 45 2.2.2.2 Add-in Card Connectors The board has one PCI Conventional (rev 2.3 compliant) bus add-in card connector. PCI Convent

Intel Desktop Board D945GCLF Technical Product Specification 46 2.2.2.4 Front Panel Header This section describes the functions of the front panel

Technical Reference 47 2.2.2.4.1 Hard Drive Activity LED Header Pins 1 and 3 can be connected to an LED to provide a visual indicator that data is b

Intel Desktop Board D945GCLF Technical Product Specification 48 2.2.2.5 Front Panel USB Headers Figure 11 is a connection diagram for the front pan

Technical Reference 49 2.3 Jumper Block CAUTION Do not move the jumper with the power on. Always turn off the power and unplug the power cord from

v Contents 1 Product Description ... 9 1.1 Overview...

Intel Desktop Board D945GCLF Technical Product Specification 50 2.4 Mechanical Considerations 2.4.1 Form Factor The board is designed to fit into

Technical Reference 51 2.5 Electrical Considerations 2.5.1 Power Supply Considerations CAUTION The +5 V standby line from the power supply must be

Intel Desktop Board D945GCLF Technical Product Specification 52 2.5.3 Add-in Board Considerations The board is designed to provide 2 A (average) of

Technical Reference 53 Figure 14 shows the locations of the localized high temperature zones. Item Description A Processor voltage regulator area B

Intel Desktop Board D945GCLF Technical Product Specification 54 2.7 Reliability The Mean Time Between Failures (MTBF) prediction is calculated usin

55 3 Overview of BIOS Features What This Chapter Contains 3.1 Introduction ...

Intel Desktop Board D945GCLF Technical Product Specification 56 Table 25 lists the BIOS Setup program menu features. Table 25. BIOS Setup Program Me

Overview of BIOS Features 57 3.4 System Management BIOS (SMBIOS) SMBIOS is a Desktop Management Interface (DMI) compliant method for managing compu

Intel Desktop Board D945GCLF Technical Product Specification 58 3.5 Legacy USB Support Legacy USB support enables USB devices to be used even when

Overview of BIOS Features 59 3.6 BIOS Updates The BIOS can be updated using either of the following utilities, which are available on the Intel Worl

Intel Desktop Board D945GCLF Technical Product Specification vi 2.5.2 Fan Header Current Capability...

Intel Desktop Board D945GCLF Technical Product Specification 60 3.7 BIOS Recovery It is unlikely that anything will interrupt a BIOS update; howeve

Overview of BIOS Features 61 3.8 Boot Options In the BIOS Setup program, the user can choose to boot from a diskette drive, hard drive, USB drive, U

Intel Desktop Board D945GCLF Technical Product Specification 62 3.9 Adjusting Boot Speed These factors affect system boot speed: • Selecting and c

Overview of BIOS Features 63 3.10 BIOS Security Features The BIOS includes security features that restrict access to the BIOS Setup program and who

Intel Desktop Board D945GCLF Technical Product Specification 64

65 4 Error Messages and Beep Codes What This Chapter Contains 4.1 BIOS Front-panel Power LED Codes...

Intel Desktop Board D945GCLF Technical Product Specification 66 4.2 BIOS Beep Codes Whenever a recoverable error occurs during POST, the BIOS cause

Error Messages and Beep Codes 67 4.4 Port 80h POST Codes During the POST, the BIOS generates diagnostic progress codes (POST codes) to I/O port 80h.

Intel Desktop Board D945GCLF Technical Product Specification 68 Table 34. Port 80h POST Codes POST Code Description of POST Operation Host Process

Error Messages and Beep Codes 69 Table 34. Port 80h POST Codes (continued) POST Code Description of POST Operation Keyboard (PS/2 or USB) 90 Resett

Contents vii Figures Figure 1. Major Board Components... 12 Figure 2. Block Diagram...

Intel Desktop Board D945GCLF Technical Product Specification 70 Table 34. Port 80h POST Codes (continued) POST Code Description of POST Operation

Error Messages and Beep Codes 71 Table 35. Typical Port 80h POST Sequence POST Code Description 21 Initializing a chipset component 22 Reading SPD

Intel Desktop Board D945GCLF Technical Product Specification 72

73 5 Regulatory Compliance and Battery Disposal Information What This Chapter Contains 5.1 Regulatory Compliance...

Intel Desktop Board D945GCLF Technical Product Specification 74 5.1.2 European Union Declaration of Conformity Statement We, Intel Corporation, dec

Regulatory Compliance and Battery Disposal Information 75 Español Este producto cumple con las normas del Directivo Europeo 2004/108/EC & 2006/9

Intel Desktop Board D945GCLF Technical Product Specification 76 Español Como parte de su compromiso de responsabilidad medioambiental, Intel ha impl

Regulatory Compliance and Battery Disposal Information 77 Russian В качестве части своих обязательств к окружающей среде, в Intel создана программа у

Intel Desktop Board D945GCLF Technical Product Specification 78 Table 37. Lead-Free Board Markings Description Mark Lead-Free 2nd Level Interconnect

Regulatory Compliance and Battery Disposal Information 79 5.1.4 EMC Regulations Desktop Board D945GCLF complies with the EMC regulations stated in T

Intel Desktop Board D945GCLF Technical Product Specification viii Table 30. Front-panel Power LED Blink Codes...

Intel Desktop Board D945GCLF Technical Product Specification 80 Korean Class B statement translation: this is household equipment that is certified

Regulatory Compliance and Battery Disposal Information 81 5.2 Battery Disposal Information CAUTION Risk of explosion if the battery is replaced wit

Intel Desktop Board D945GCLF Technical Product Specification 82 PRECAUCIÓN Existe peligro de explosión si la pila no se cambia de forma adecuada.

Regulatory Compliance and Battery Disposal Information 83 AWAS Risiko letupan wujud jika bateri digantikan dengan jenis yang tidak betul. Bateri s

Intel Desktop Board D945GCLF Technical Product Specification 84

9 1 Product Description What This Chapter Contains 1.1 Overview.....................