Intel® Desktop Board DG31GL Product Guide Order Number: E35043-001
Revision History Revision -001 Revision History First release of the Intel® Desktop Board DG31GL Product Guide Date March 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.
Preface This Product Guide gives information about board layout, component installation, BIOS update, and regulatory requirements for Intel® Desktop Board DG31GL. 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.
Intel Desktop Board DG31GL Product Guide Conventions The following conventions are used in this manual: CAUTION Cautions warn the user about how to prevent damage to hardware or loss of data. NOTE Notes call attention to important information. Terminology The table below gives descriptions of some common terms used in the product guide.
Contents 1 Desktop Board Features Desktop Board Components.................................................................................11 Processor..........................................................................................................13 Main Memory.....................................................................................................13 Intel® G31 Express Chipset .................................................................................14 Audio Subsystem ..........
Intel Desktop Board DG31GL Product Guide Connecting the Diskette Drive Cable .....................................................................35 Connecting the IDE Cable....................................................................................36 Connecting the Serial ATA (SATA) Cables ..............................................................38 Connecting to the Internal Headers and Connectors ................................................39 Connecting to the Front Panel Audio Header ..
Contents 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. Desktop Board DG31GL Mounting Screw Hole Locations .....................................26 Lift the Socket Lever .....................................................................................27 Lift the Load Plate.........................................................................................28 Remove the Protective Socket Cover ...............................................................
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1 Desktop Board Features This chapter briefly describes the features of Intel® Desktop Board DG31GL. Table 1 summarizes the major features of the Desktop Board. Table 1. Feature Summary Form Factor microATX (218.44 millimeters [8.60 inches] x 243.84 millimeters [9.60 inches]) Processor Support for an Intel® processor in the LGA775 package Main Memory • Two 240-pin, DDR2 1.
Intel Desktop Board DG31GL Product Guide Table 1.
Desktop Board Features Desktop Board Components Figure 1 shows the approximate location of the major components on Desktop Board DG31GL. Figure 1.
Intel Desktop Board DG31GL Product Guide Table 2.
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 DG31GL 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.
Intel Desktop Board DG31GL Product Guide Intel® G31 Express Chipset The Intel G31 Express Chipset consists of the following devices: • • Intel G31 Express Chipset Graphics and Memory Controller Hub (GMCH) with Direct Media Interface (DMI) Intel 82801G I/O Controller Hub (ICH7) with DMI The GMCH provides interfaces to the processor, memory, and the DMI interconnect. This device also provides integrated graphics capabilities supporting 3D, 2D, and display capabilities.
Desktop Board Features Audio Subsystem The onboard audio subsystem consists of the following: • • • • Intel® ICH7 RealTek ALC268-GR audio codec Back panel audio connectors Onboard audio header/connector: ⎯ Intel High Definition audio front panel audio header ⎯ Onboard S/PDIF connector The audio subsystem supports the following features: • • • A signal-to-noise (S/N) ratio of 90 dB for recording and 95 dB for playback 4-channel audio (two independent 2-channel audio streams) using the back panel audio c
Intel Desktop Board DG31GL Product Guide Two LEDs are built into the RJ-45 LAN connector located on the back panel (see Figure 2). These LEDs indicate the status of the LAN. Figure 2. LAN Status LEDs Table 3 describes the LED states when the board is powered up and the LAN subsystem is operating. Table 3.
Desktop Board Features Enhanced IDE Interface The board’s IDE interface handles the exchange of information between the processor and peripheral devices such as hard disk drives and CD-ROM drives. The interface supports: • • • • Up to two IDE devices (such as hard drives) ATAPI-style devices (such as CD-ROM drives) Older PIO Mode devices Ultra DMA-33 and ATA-66/100 protocols Serial ATA The Desktop Board supports two Serial ATA channels (3.0 Gb/s) via ICH7, connecting one device per channel.
Intel Desktop Board DG31GL Product Guide Security Passwords The BIOS includes security features that restrict whether the BIOS Setup program can be accessed and who can boot the computer. A supervisor password and a user password can be set for the BIOS Setup and for booting the computer, with the following restrictions: • • • The supervisor password gives unrestricted access to view and change all Setup options.
Desktop Board Features ACPI ACPI gives the operating system direct control over the power management and Plug and Play functions of a computer. The use of ACPI with the Desktop Board requires an operating system that provides full ACPI support. Hardware Support Power Connectors ATX12V-compliant power supplies can turn off the computer power through system control. When an ACPI-enabled computer receives the correct command, the power supply removes all non-standby voltages.
Intel Desktop Board DG31GL Product Guide Instantly Available PC Technology CAUTIONS For Instantly Available PC technology, the 5 V standby line for the power supply must be capable of delivering adequate +5 V standby current. Failure to provide adequate standby current when using this feature can damage the power supply and/or effect ACPI S3 sleep state functionality.
Desktop Board Features Figure 3. Location of the Standby Power Indicator For information on standby current requirements for the Desktop Board, refer to the Technical Product Specification by going to http://support.intel.com/support/motherboards/desktop/, finding the product, and clicking on the Technical Documents tab. Wake from USB NOTE Wake from USB requires the use of a USB peripheral that supports Wake from USB. USB bus activity wakes the computer from an ACPI S3 state.
Intel Desktop Board DG31GL Product Guide PME# Signal Wake-up Support When the PME# signal on the PCI bus is asserted, the computer wakes from an ACPI S3, S4, or S5 state. ENERGY STAR* Capable In 2007, the US Department of Energy and the US Environmental Protection Agency revised the ENERGY STAR requirements. Intel worked directly with these two governmental agencies to define the new requirements.
2 Installing and Replacing Desktop Board Components This chapter tells you how to: • • • • • • • • • • • • Install the I/O shield Install and remove the Desktop Board Install and remove a processor Install and remove memory Connect the diskette drive cable Connect the IDE and Serial ATA cables Connect to the internal headers and connectors Connect to the audio system Connect chassis fan and power supply cables Set the BIOS configuration jumper Clear passwords Replace the battery Before You Begin CAUTIONS
Intel Desktop Board DG31GL Product Guide Installation Precautions When you install and test the Intel Desktop Board, observe all warnings and cautions in the installation instructions.
Installing and Replacing Desktop Board Components Installing the I/O Shield The Desktop Board comes with an I/O shield. When installed in the chassis, the shield blocks radio frequency transmissions, protects internal components from dust and foreign objects, and promotes correct airflow within the chassis. Install the I/O shield before installing the Desktop Board in the chassis. Place the shield inside the chassis as shown in Figure 4. Press the shield into place so that it fits tightly and securely.
Intel Desktop Board DG31GL Product Guide Installing and Removing the Desktop Board CAUTION Only qualified technical personnel should do this procedure. Disconnect the computer from its power source before performing the procedures described here. Failure to disconnect the power before you open the computer can result in personal injury or equipment damage. Refer to your chassis manual for instructions on installing and removing the Desktop Board.
Installing and Replacing Desktop Board Components Installing and Removing a Processor Instructions on how to install the processor on the Desktop Board are given below. Installing a Processor CAUTION Before installing or removing the processor, make sure the AC power has been removed by unplugging the power cord from the computer; the standby power LED should not be lit (see Figure 3 on page 21). Failure to do so could damage the processor and the board.
Intel Desktop Board DG31GL Product Guide 3. Lift the load plate (Figure 7, A). Do not touch the socket contacts (Figure 7, B). Figure 7. Lift the Load Plate 4. Remove the plastic protective socket cover from the load plate (Figure 8). Do not discard the protective socket cover. Always replace the socket cover if the processor is removed from the socket. Figure 8.
Installing and Replacing Desktop Board Components 5. Remove the processor from the protective processor cover. Hold the processor only at the edges, being careful not to touch the bottom of the processor (see Figure 9). Do not discard the protective processor cover. Always replace the processor cover if the processor is removed from the socket. Figure 9. Remove the Processor from the Protective Processor Cover 6. Hold the processor with your thumb and index fingers oriented as shown in Figure 10.
Intel Desktop Board DG31GL Product Guide 7. Pressing down on the load plate (Figure 11, A), close and engage the socket lever (Figure 11, B). Figure 11. Close the Load Plate Installing the Processor Fan Heat Sink Desktop Board DG31GL has mounting holes for a processor fan heat sink. For instructions on how to attach the processor fan heat sink to the Desktop Board, refer to the boxed processor manual.
Installing and Replacing Desktop Board Components Connecting the Processor Fan Heat Sink Cable Connect the processor fan heat sink cable to the 4-pin processor fan header (see Figure 12). A fan with a 4-pin connector as shown in Figure 12, A is recommended; however, a fan with a 3-pin connector (Figure 12, B) can be used. However, since the fan with a 3-pin connector cannot use the onboard fan control, the fan will always operate at full speed. Figure 12.
Intel Desktop Board DG31GL Product Guide Removing the Processor For instructions on how to remove the processor fan heat sink and processor, refer to the processor installation manual. Installing and Removing Memory NOTE To be fully compliant with all applicable Intel SDRAM memory specifications, the board requires DIMMs that support the Serial Presence Detect (SPD) data structure. The desktop board has two 240-pin DDR2 DIMM sockets providing Channel A and Channel B.
Installing and Replacing Desktop Board Components Installing DIMMs To make sure you have the correct DIMM, place it on the illustration of the DDR2 DIMM in Figure 14. All the notches should match with the DDR2 DIMM. Figure 14.
Intel Desktop Board DG31GL Product Guide To install a DIMM, follow these steps: 1. Observe the precautions in "Before You Begin" on page 23. 2. Turn off all peripheral devices connected to the computer. Turn off the computer and disconnect the AC power cord. 3. Remove the computer’s cover and locate the DIMM sockets (see Figure 15). Figure 15. Installing a DIMM 4. Make sure the clips at either end of the DIMM socket(s) are pushed outward to the open position. 5.
Installing and Replacing Desktop Board Components Removing DIMMs To remove a DIMM, follow these steps: Observe the precautions in "Before You Begin" on page 23. Turn off all peripheral devices connected to the computer. Turn off the computer. Remove the AC power cord from the computer. Remove the computer’s cover. Gently spread the retaining clips at each end of the DIMM socket. The DIMM pops out of the socket. 6.
Intel Desktop Board DG31GL Product Guide Figure 16. Connecting the Diskette Drive Cable Connecting the IDE Cable The IDE cable can be used to connect two IDE drives to the Desktop Board. The cable supports the ATA-66/100 transfer protocol. Figure 17 shows the correct installation of the cable. NOTES ATA-66/100 compatible cables are backward compatible with drives using slower IDE transfer protocols.
Installing and Replacing Desktop Board Components Figure 17.
Intel Desktop Board DG31GL Product Guide Connecting the Serial ATA (SATA) Cables SATA cables support the Serial ATA protocol. Each cable can be used to connect a single internal SATA drive to the Desktop Board. For correct cable function: 1. Observe the precautions in “Before You Begin” on page 23. 2. Attach one end of the SATA cable to one of the SATA connectors on the board (Figure 18, A) and attach the other end of the cable to the SATA drive (Figure 18, B). Figure 18.
Installing and Replacing Desktop Board Components Connecting to the Internal Headers and Connectors Before connecting cables to the internal headers and connectors, observe the precautions in “Before You Begin” on page 23. Figure 19 shows the location of the internal headers and connectors for Desktop Board DG31GL. Item A B C D E F Description Front panel audio S/PDIF Serial port Alternate front panel power LED Front panel USB 2.0 (2) Figure 19.
Intel Desktop Board DG31GL Product Guide Connecting to the Front Panel Audio Header Figure 19, A on page 39 shows the location of the front panel audio header. Table 4 shows the pin assignments for the front panel audio header. Table 4.
Installing and Replacing Desktop Board Components Connecting to the Alternate Front Panel Power LED Header Figure 19, D on page 39 shows the location of the alternate front panel power LED header. Pins 1 and 3 of this header duplicate the signals on pins 2 and 4 of the front panel header. If your chassis has a three-pin power LED cable, connect it to this header. Table 7 shows the pin assignments for the alternate front panel power LED header. Table 7.
Intel Desktop Board DG31GL Product Guide Connecting to the USB 2.0 Headers Before connecting to the USB 2.0 headers, observe the precautions in "Before You Begin" on page 23. See Figure 19, F on page 39 for the location of the three USB 2.0 headers. Table 9 shows the pin assignments for each USB 2.0 header. Each USB header can be used to connect two USB devices (A and B). Table 9. USB 2.
Installing and Replacing Desktop Board Components NOTE The back panel line out connector is designed to power either headphones or amplified speakers only. Poor audio quality may occur if passive (non-amplified) speakers are connected to this output. Connecting Chassis Fan and Power Supply Cables Connecting the Chassis Fan Cable Connect a chassis fan cable to the 3-pin chassis fan header on the Desktop Board. Figure 21 shows the location of the chassis fan header. Figure 21.
Intel Desktop Board DG31GL Product Guide Connecting Supply Power Cables 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. The 2 x 12 pin main power connector on the Desktop Board is backwards compatible with ATX12V power supplies with 2 x 10 cables. Figure 22 shows the location of the Desktop Board power connectors. Figure 22.
Installing and Replacing Desktop Board Components Setting the BIOS Configuration Jumper NOTE Always turn off the power and unplug the power cord from the computer before moving the jumper. Moving the jumper with the power on may result in unreliable computer operation. Figure 23 shows the location of the Desktop Board’s BIOS configuration jumper block. Figure 23.
Intel Desktop Board DG31GL Product Guide Clearing Passwords This procedure assumes that the board is installed in the computer and the configuration jumper block is set to normal mode. 1. Observe the precautions in "Before You Begin" on page 23. 2. Turn off all peripheral devices connected to the computer. Turn off the computer. Disconnect the computer’s power cord from the AC power source (wall outlet or power adapter). 3. Remove the computer cover. 4. Find the configuration jumper block (see Figure 23).
Installing and Replacing Desktop Board Components Replacing the Battery A coin-cell battery (CR2032) powers the real-time clock and CMOS memory. When the computer is not plugged into a wall socket, the battery has an estimated life of three years. When the computer is plugged in, the standby current from the power supply extends the life of the battery. The clock is accurate to ± 13 minutes/year at 25 ºC with 3.3 VSB applied.
Intel Desktop Board DG31GL Product Guide VORSICHT Bei falschem Einsetzen einer neuen Batterie besteht Explosionsgefahr. Die Batterie darf nur durch denselben oder einen entsprechenden, vom Hersteller empfohlenen Batterietyp ersetzt werden. Entsorgen Sie verbrauchte Batterien den Anweisungen des Herstellers entsprechend. AVVERTIMENTO Esiste il pericolo di un esplosione se la pila non viene sostituita in modo corretto. Utilizzare solo pile uguali o di tipo equivalente a quelle consigliate dal produttore.
Installing and Replacing Desktop Board Components VIGYÁZAT Ha a telepet nem a megfelelő típusú telepre cseréli, az felrobbanhat. A telepeket lehetőség szerint újra kell hasznosítani. A használt telepeket a helyi környezetvédelmi előírásoknak megfelelően kell kiselejtezni. AWAS Risiko letupan wujud jika bateri digantikan dengan jenis yang tidak betul. Bateri sepatutnya dikitar semula jika boleh. Pelupusan bateri terpakai mestilah mematuhi peraturan alam sekitar tempatan.
Intel Desktop Board DG31GL Product Guide UYARI Yanlış türde pil takıldığında patlama riski vardır. Piller mümkün olduğunda geri dönüştürülmelidir. Kullanılmış piller, yerel çevre yasalarına uygun olarak atılmalıdır. OСТОРОГА Використовуйте батареї правильного типу, інакше існуватиме ризик вибуху. Якщо можливо, використані батареї слід утилізувати. Утилізація використаних батарей має бути виконана згідно місцевих норм, що регулюють охорону довкілля.
Installing and Replacing Desktop Board Components To replace the battery, follow these steps: 1. Observe the precautions in "Before You Begin" (see page 23). 2. Turn off all peripheral devices connected to the computer. Disconnect the computer’s power cord from the AC power source (wall outlet or power adapter). 3. Remove the computer cover. 4. Locate the battery on the board (see Figure 24). 5. With a medium flat-bladed screwdriver, gently pry the battery free from its connector.
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3 Updating the BIOS The BIOS Setup program can be used to view and change the BIOS settings for the computer. You can access the BIOS Setup program by pressing the key after the Power-On Self-Test (POST) memory test begins and before the operating system boot begins. This chapter tells you how to update the BIOS by either using the Intel Express BIOS Update utility or the Iflash Memory Update utility, and how to recover the BIOS if an update fails.
Intel Desktop Board DG31GL Product Guide Updating the BIOS with the ISO Image BIOS Update File or the Iflash Memory Update Utility You can use the information in this section to update the BIOS using either the Iflash Memory Update Utility or the ISO Image BIOS update file. Obtaining the BIOS Update File You can update to a new version of the BIOS by using the ISO Image BIOS update file (recommended), or Iflash BIOS update file.
Updating the BIOS CAUTION Do not interrupt the process or the system may not function properly. Follow these instructions to upgrade the BIOS using the ISO Image BIOS file: 1. Download the ISO Image BIOS file. 2. Using software capable of uncompressing and writing an ISO image file to CD, burn the data to a blank CD. NOTE Copying the ISO Image BIOS file to CD will not work. The completed CD should contain multiple files and a directory. 3.
Intel Desktop Board DG31GL Product Guide CAUTION Do not interrupt the process or the system may not function properly. 1. Uncompress the BIOS update file and copy the .BIO file, IFLASH.EXE, and .ITK file (optional) to a bootable USB flash drive or other bootable USB media. 2. Configure the BIOS or use the F10 option during POST to boot to the USB device. 3. Manually run the IFLASH.EXE file from the USB device and manually update the BIOS.
A Error Messages and Indicators Desktop Board DG31GL reports POST errors in two ways: • • By sounding a beep code By displaying an error message on the monitor BIOS Beep Codes The BIOS also issues a beep code (one long tone followed by two short tones) during POST if the video configuration fails (a faulty video card or no card installed) or if an external ROM module does not properly checksum to zero. Table 11 lists the BIOS codes. Table 11.
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B Regulatory Compliance This appendix contains the following regulatory compliance information for Desktop Board DG31GL: • • • • • Safety standards European Union Declaration of Conformity statement Product Ecology statements Electromagnetic Compatibility (EMC) regulations Product certifications Safety Standards Desktop Board DG31GL complies with the safety standards stated in Table 13 when correctly installed in a compatible host system. Table 13.
Intel Desktop Board DG31GL Product Guide European Union Declaration of Conformity Statement We, Intel Corporation, declare under our sole responsibility that the product Intel® Desktop Board DG31GL is in conformity with all applicable essential requirements necessary for CE marking, following the provisions of the European Council Directives 2004/108/EC (EMC Directive) and 2006/95/EC (Low Voltage Directive).
Regulatory Compliance Malti Dan il-prodott hu konformi mal-provvedimenti tad-Direttivi Ewropej 2004/108/EC u 2006/95/EC. Norsk Dette produktet er i henhold til bestemmelsene i det europeiske direktivet 2004/108/EC & 2006/95/EC. Polski Niniejszy produkt jest zgodny z postanowieniami Dyrektyw Unii Europejskiej 2004/108/EC i 2006/95/EC. Portuguese Este produto cumpre com as normas da Diretiva Européia 2004/108/EC & 2006/95/EC.
Intel Desktop Board DG31GL Product Guide Deutsch Als Teil von Intels Engagement für den Umweltschutz hat das Unternehmen das Intel Produkt-Recyclingprogramm implementiert, das Einzelhandelskunden von Intel Markenprodukten ermöglicht, gebrauchte Produkte an ausgewählte Standorte für ordnungsgemäßes Recycling zurückzugeben. Details zu diesem Programm, einschließlich der darin eingeschlossenen Produkte, verfügbaren Standorte, Versandanweisungen, Bedingungen usw., finden Sie auf der http://www.intel.
Regulatory Compliance Portuguese Como parte deste compromisso com o respeito ao ambiente, a Intel implementou o Programa de Reciclagem de Produtos para que os consumidores finais possam enviar produtos Intel usados para locais selecionados, onde esses produtos são reciclados de maneira adequada. Consulte o site http://www.intel.
Intel Desktop Board DG31GL Product Guide Lead-free 2LI/Pb-free 2LI Board The electronics industry is transitioning to European Union (EU) Restriction of Hazardous Substances (RoHS)-compliant products. The RoHS legislation restricts the use of six materials. One of these restricted materials is lead. Lead is the most common and problematic of the RoHS restricted materials. There are exemptions in RoHS that allow the use of lead in some very limited locations in electronic products.
Regulatory Compliance Table 14. Lead-Free Second Level Interconnect Marks Description Mark This symbol is used to identify electrical and electronic assemblies and components in which the Pb concentration level in the Desktop Board substrate and the solder connections from the board to the components (second-level interconnect) is not greater than 0.1% by weight (1000 ppm).
Intel Desktop Board DG31GL Product Guide China RoHS “China RoHS” is the term used by industry generally to describe legislation implemented by the Ministry of Information Industry (MII) in the People's Republic of China for the control of pollution by electronic information products (EIP). The official title of the China RoHS regulation is “Management Methods for Controlling Pollution by Electronic Information Products.” China RoHS bans the same substances and has the same limits as EU RoHS.
Regulatory Compliance The China MII stipulates that a material Self Declaration Table (SDT) must be included in a product’s user documentation. The SDT for Desktop Board DG31GL is shown in Figure 25. Figure 25.
Intel Desktop Board DG31GL Product Guide EMC Regulations Desktop Board DG31GL complies with the EMC regulations stated in Table 16 when correctly installed in a compatible host system. Table 16. EMC Regulations Regulation (Class B) Title FCC 47 CFR Part 15, Subpart B Title 47 of the Code of Federal Regulations, Part 15, Subpart B, Radio Frequency Devices. (USA) ICES-003 Issue 4 Interference-Causing Equipment Standard, Digital Apparatus.
Regulatory Compliance Korean Class B statement translation: This is household equipment that is certified to comply with EMC requirements. You may use this equipment in residential environments and other non-residential environments. Before computer integration, make sure that the power supply and other modules or peripherals, as applicable, have passed Class B EMC testing and are marked accordingly.
Intel Desktop Board DG31GL Product Guide Product Certifications Board-Level Certification Markings Desktop Board DG31GL has the product certification markings shown in Table 17. Table 17. Product Certification Markings Description Mark UL joint US/Canada Recognized Component mark. Includes adjacent UL file number for Intel Desktop Boards: E210882. FCC Declaration of Conformity logo mark for Class B equipment. Includes Intel name and DG31GL model designation. CE mark.
Regulatory Compliance Chassis and Component Certifications Ensure that the chassis and certain components; such as the power supply, peripheral drives, wiring, and cables; are components certified for the country or market where used. Agency certification marks on the product are proof of certification. Typical product certifications include: In Europe The CE marking signifies compliance with all applicable European requirements.
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