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®
Intel Desktop Board DG35EC
Product Guide
Order Number: E30452-001
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Revision History Revision Revision History Date ® -001 First release of the Intel Desktop Board DG35EC Product Guide February 2008 If an FCC declaration of conformity marking is present on the board, the following statement applies: 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, inclu
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Preface This Product Guide gives information about board layout, component installation, BIOS ® update, and regulatory requirements for Intel Desktop Board DG35EC. Intended Audience The Product Guide is intended for technically qualified personnel. It is not intended for general audiences. Use Only for Intended Applications 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,
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Intel Desktop Board DG35EC Product Guide Terminology The table below gives descriptions of some common terms used in the product guide. Term Description GB Gigabyte (1,073,741,824 bytes) GHz Gigahertz (one billion hertz) KB Kilobyte (1024 bytes) MB Megabyte (1,048,576 bytes) Mbit Megabit (1,048,576 bits) MHz Megahertz (one million hertz) iv
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Contents 1 Desktop Board Features Desktop Board Components.................................................................................11 Processor..........................................................................................................13 Main Memory.....................................................................................................13 ® Intel G35 Express Chipset .................................................................................14 Intel
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Intel Desktop Board DG35EC Product Guide Installing a Processor Fan Heat Sink..............................................................32 Connecting the Processor Fan Heat Sink Cable................................................33 Removing the Processor ..............................................................................33 Installing and Removing Memory..........................................................................34 Guidelines for Dual Channel Memory Configuratio
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Contents EU RoHS............................................................................................71 China RoHS........................................................................................72 EMC Regulations ................................................................................................74 Ensure Electromagnetic Compatibility (EMC) Compliance..................................75 Product Certifications........................................................
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Intel Desktop Board DG35EC Product Guide Tables 1. Feature Summary.......................................................................................... 9 2. Desktop Board DG35EC Components...............................................................12 3. LAN Connector LEDs .....................................................................................17 4. S/PDIF Connector Signal Names .....................................................................45 5. Front Panel Audio
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1 Desktop Board Features ® This chapter briefly describes the features of Intel Desktop Board DG35EC. Table 1 summarizes the major features of the Desktop Board. Table 1. Feature Summary microATX (243.84 millimeters [9.60 inches] x 243.84 millimeters Form Factor [9.60 inches]) ® Processor Support for an Intel processor in the LGA775 package Main Memory • Four 240-pin, DDR2 1.8 V SDRAM Dual Inline Memory Module (DIMM) sockets • 800/667 MHz single or dual channel DDR2 SDRAM interfac
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Intel Desktop Board DG35EC Product Guide Table 1. Feature Summary (continued) ® • Intel Platform Innovation Framework for extensible firmware BIOS interface • 8 Mbit symmetrical flash memory device • Support for SMBIOS ® • Intel Rapid BIOS Boot ® • Intel Express BIOS Update Power Management • Support for Advanced Configuration and Power Interface (ACPI) • Suspend to RAM (STR) • Wake on USB, PCI Express, PS/2, LAN, and front panel • ENERGY STAR* capable Hardware • Voltage sense to d
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Desktop Board Features Desktop Board Components Figure 1 shows the approximate location of the major components on Desktop Board DG35EC. Figure 1. Desktop Board DG35EC Components 11
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Intel Desktop Board DG35EC Product Guide Table 2. Desktop Board DG35EC Components Label Description A PCI bus connector B IEEE 1394a header C PCI Express x1 connector 2 D Speaker E PCI Express x1 connector 1 F PCI Express x16 connector G Rear chassis fan header (3-pin) H Back panel connectors I 12 V processor core voltage connector (2 x 2 pin) J Processor socket K Processor fan header (4-pin) L DDR2 DIMM 0 sockets M DDR2 DIMM 1 sockets N Front chassis fan header (3-pin)
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Desktop Board Features Processor CAUTION Failure to use an appropriate power supply and/or not connecting the 12 V (2 x 2 pin) power connector to the Desktop Board may result in damage to the board, or the system may not function properly. Desktop Board DG35EC supports an Intel processor in the LGA775 package. Processors are not included with the Desktop Board and must be purchased separately. The processor connects to the Desktop Board through the LGA775 socket. Go to the follow
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Intel Desktop Board DG35EC Product Guide Go to the following locations for more information about: • SDRAM specifications, http://www.intel.com/technology/memory/ • Installing memory, page 34 in Chapter 2 • Tested memory, http://www.cmtlabs.com/mbsearch.asp or http://www.intel.com/products/motherboard/index.htm?iid=HMPAGE+Header_2_P roduct_MB ® Intel G35 Express Chipset The Intel G35 Express Chipset consists of the following devices: • Intel G35 Express Chipset Graphics and Memory Contr
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Desktop Board Features The Intel GMA X3500 graphics controller has the following features: • 667 MHz core frequency • Advanced graphics performance, including: ⎯ DX10.0* and OpenGL* 1.5 support ⎯ Shader Model 4.0 support • Enhanced video playback support, including: ® ⎯ Intel Clear Video Technology (for more information go to http://www.intel.com/products/chipsets/clear_video/) ⎯ Support for playback of HD-DVD and Blu-ray Disc* technology DVDs ⎯ Software DVD at 30 fps full screen
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Intel Desktop Board DG35EC Product Guide Legacy Input/Output (I/O) Controller The I/O controller features the following: • Low pin count (LPC) interface • One serial port interface via an onboard header • One diskette drive interface • 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 LAN Subsystem The LAN
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Desktop Board Features Table 3 describes the LED states when the board is powered up and the LAN subsystem is operating. Table 3. LAN Connector LEDs LED LED Color LED State Indicates A (Link) Green Off LAN link is not established On LAN link is established Blinking LAN activity is occurring B (Speed) N/A Off 10 Mb/s data rate Green On 100 Mb/s data rate Yellow On 1000 Mb/s data rate Hi-Speed USB 2.0 Support The Desktop Board supports up to 10 USB 2.0 ports (six ports routed to t
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Intel Desktop Board DG35EC Product Guide Expandability For system expansion, the Desktop Board provides the following expansion slots: • One PCI Express x16 connector • Two PCI Express x1 connectors • One PCI bus connector BIOS The BIOS provides the Power-On Self-Test (POST), the BIOS Setup program, the PCI/PCI Express and IDE auto-configuration utilities, and the video BIOS. The BIOS is stored in the Serial Peripheral Interface (SPI) Flash device. The BIOS can be updated by followin
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Desktop Board Features • 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 52. Hardware Management Features The hardware management features of Desktop Board DG35EC enable
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Intel Desktop Board DG35EC Product Guide Power Management Features Power management is implemented at several levels, including: • Software support through the Advanced Configuration and Power Interface (ACPI) • Hardware support: ⎯ Power connectors ⎯ Fan headers ⎯ LAN wake capabilities ⎯ Instantly Available PC technology (Suspend to RAM) ⎯ +5 V standby power indicator LED ⎯ Wake from USB ⎯ Wake from PS/2 keyboard/mouse ⎯ Power Management Event signal (PME#) wakeup support ⎯ WAKE# si
