Intel may make changes to specifications and product descriptions at any time, without notice. Intel Desktop Board DG41KR may contain design defects or errors known as errata which may cause the product to deviate from published specifications. Current characterized errata are available on request.
The suitability of this product for other PC or embedded non-PC applications or other environments, such as medical, industrial, alarm systems, test equipment, etc. may not be supported without further evaluation by Intel. Document Organization The chapters in this Product Guide are arranged as follows:...
Page 4
Intel Desktop Board DG41KR Product Guide Terminology The table below gives descriptions of some common terms used in the product guide. Term Description Gigabyte (1,073,741,824 bytes) Gigahertz (one billion hertz) Kilobyte (1024 bytes) Kilohertz (one thousand hertz) Megabyte (1,048,576 bytes)
Main Memory.....................14 ® Intel G41 Express Chipset .................15 Intel G41 Graphics Subsystem..............15 Intel GMA X4500 Graphics Controller .............15 External PCI Express* x16 Graphics ............16 Audio Subsystem ....................16 Legacy Input/Output (I/O) Controller ..............18 LAN Subsystem ....................18 Hi-Speed USB 2.0 Support ..................19 ATA Support......................19...
Page 6
Intel Desktop Board DG41KR Product Guide Installing the I/O Shield ..................29 Installing and Removing the Desktop Board ............30 Installing and Removing a Processor ..............31 Installing a Processor ..................31 Installing a Processor Fan Heat Sink ..............34 Connecting the Processor Fan Heat Sink Cable..........35 Removing the Processor ................35...
Page 7
22. Back Panel Audio Connectors .................49 23. Location of the Chassis Fan Headers..............50 24. Connecting Power Supply Cables ..............51 25. Location of the BIOS Configuration Jumper Block ..........52 26. Removing the Battery ...................59 27. Intel Desktop Board DG41KR China RoHS Material Self Declaration Table .....75...
Page 8
3. Back Panel and Front Panel Audio Jack Retasking Support ........17 4. LAN Connector LEDs ..................19 5. Front Panel Audio Signal Names for Intel HD Audio..........46 6. Front Panel Audio Header Signal Names for AC ’97 Audio ........46 7. Serial Port Header Signal Names..............46 8.
• 1066/800 MHz single- or dual-channel DDR3 SDRAM interface • Support for up to 4 GB of main memory ® Chipset • Intel G41 Express Chipset consisting of: • Intel G41 Express Chipset Graphics and Memory Controller Hub (GMCH) ® • Intel 82801G I/O Controller Hub (ICH7) ®...
Page 10
• Microsoft Windows* XP Media Center Edition 2005 • Microsoft Windows XP Professional • Microsoft Windows XP Professional x64 Edition • Microsoft Windows XP Home For more information about Intel Desktop Board DG41KR, including the Technical Product Specification (TPS), BIOS updates, and device drivers, go to http://www.intel.com/products/motherboard/DG41KR/index.htm...
Desktop Board Features Desktop Board Components Figure 1 shows the approximate location of the major components on Intel Desktop Board DG41KR. Figure 1. Intel Desktop Board DG41KR Components...
Page 12
Intel Desktop Board DG41KR Product Guide Table 2. Intel Desktop Board DG41KR Components Label Description Front panel audio header PCI bus connector PCI bus connector Speaker PCI Express x1 connector Battery PCI Express x16 connector Back panel connectors 12 V processor core voltage connector (2 x 2 pin)
Processors are not included with the Desktop Board and must be purchased separately. The processor connects to the Desktop Board through the LGA775 socket. For instructions on installing or upgrading the processor, refer to page 31. A list of supported processors for Intel Desktop Board DG41KR, can be found at http://processormatch.intel.com.
Intel Desktop Board DG41KR Product Guide Main Memory NOTE To be fully compliant with all applicable Intel SDRAM memory specifications, the ® board should be populated with DIMMs that support the Serial Presence Detect (SPD) data structure. If your memory modules do not support SPD, you will see a notification to this effect on the screen at power up.
The GMA X4500 graphics controller supports dual independent displays via HDMI and DVI-I connectors on the Desktop Board back panel. When a PCI Express Graphics (x16, x8, or x4) add-in card is installed on the Desktop Board, the Intel GMA X4500 graphics controller is disabled.
Intel Desktop Board DG41KR Product Guide • Advanced display support, including: ⎯ DVI specification 1.0 compliant ⎯ Dual independent display support via the VGA and HDMI back panel connectors ⎯ High Definition Content Protection (HDCP) version 1.1 support ⎯ DDC2B compliant interface with Advanced Digital Display 2 card or Media...
Page 17
(using the front panel audio header) Go to the following locations for more information about: • Audio drivers and utilities http://support.intel.com/support/motherboards/desktop/ • Location of the onboard audio headers, Figure 21 on page 45 • The location and description of the back panel audio connectors, Figure 22 on page 49 Table 3 lists the supported functions for the front panel and back panel audio jacks.
Intel Desktop Board DG41KR Product Guide Legacy Input/Output (I/O) Controller The legacy I/O controller provides the following: • One serial port interface via an onboard header • One parallel port interface via an back panel connector • One diskette drive interface via an onboard connector •...
Yellow 1000 Mb/s data rate For information about LAN software and drivers go to http://support.intel.com/support/motherboards/desktop Hi-Speed USB 2.0 Support The Desktop Board supports up to eight USB 2.0 ports (four ports routed to the back panel and four ports routed to two internal headers) via ICH7. USB 2.0 ports are backward compatible with USB 1.1 devices.
Intel Desktop Board DG41KR Product Guide NOTE ATA-66 and ATA-100 are faster timings and require a specialized cable to reduce reflections, noise, and inductive coupling. The PATA interface also supports ATAPI devices (such as CD-ROM drives) and ATA devices using the transfer modes.
Desktop Board Features BIOS The BIOS provides the Power-On Self-Test (POST), the BIOS Setup program, the PCI/PCI Express 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 following the instructions in Chapter 3. ATA Auto Configuration If you install a Serial or Parallel ATA device in your computer, the auto-configuration utility in the BIOS automatically detects and configures the device for your computer.
Intel Desktop Board DG41KR Product Guide Hardware Management Features The hardware management features of Intel Desktop Board DG41KR enable the board to be compatible with the Wired for Management (WfM) specification. The board has several hardware management features including the following: •...
Desktop Board Features 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) ⎯...
Intel Desktop Board DG41KR Product Guide Fan Headers The function/operation of the fans is as follows: • The fans are on when the computer is in the ACPI S0 state. • The fans are off when the computer is in the ACPI S3, S4, or S5 state.
Figure 3. Location of the +5 V Standby Power Indicator For more information on standby current requirements for the Desktop Board, refer to the Technical Product Specification at http://support.intel.com/support/motherboards/desktop/. Wake from USB NOTE Wake from USB requires the use of a USB peripheral that supports Wake from USB.
ENERGY STAR*, e-Standby, and ErP Compliance The US Department of Energy and the US Environmental Protection Agency have continually revised the ENERGY STAR requirements. Intel has worked directly with these two governmental agencies in the definition of the new requirements. This Desktop Board meets the ENERGY STAR Program for Computers: Version 5.0 Category...
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 • Install and remove a PCI Express x16 card •...
Intel Desktop Board DG41KR Product Guide Installation Precautions When you install and test the Desktop Board, observe all warnings and cautions in the installation instructions. To avoid injury, be careful of: • Sharp pins on connectors • Sharp pins on printed circuit assemblies •...
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.
Refer to your chassis manual for instructions on installing and removing the Desktop Board. Figure 5 shows the location of the mounting screw holes for Intel Desktop Board DG41KR. Figure 5. Intel Desktop Board DG41KR Mounting Screw Hole Locations...
Installing and Replacing Desktop Board Components Installing and Removing a Processor This section contains information on how to install and remove a processor on the Desktop Board. 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;...
Intel Desktop Board DG41KR 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.
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 11. Close the Load Plate Installing a Processor Fan Heat Sink Intel Desktop Board DG41KR 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...
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.
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 DDR3 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 DDR3 DIMM in Figure 14. All the notches should match with the DDR3 DIMM. Figure 14. Use DDR3 DIMMs...
Intel Desktop Board DG41KR Product Guide To install a DIMM, follow these steps: 1. Observe the precautions in "Before You Begin" on page 27. 2. Turn off all peripheral devices connected to the computer. Turn off the computer and disconnect the AC power cord.
Installing and Replacing Desktop Board Components 7. Insert the bottom edge of the DIMM into the socket. 8. When the DIMM is inserted, push down on the top edge of the DIMM until the retaining clips snap into place. Make sure the clips are firmly in place. 9.
Intel Desktop Board DG41KR Product Guide Installing and Removing a PCI Express x16 Card CAUTION When installing a PCI Express x16 card on the Desktop Board, ensure that the card is fully seated in the PCI Express x16 connector before you power on the system. If the card is not fully seated in the PCI Express connector, an electrical short may result across the PCI Express connector pins.
Installing and Replacing Desktop Board Components Removing the PCI Express x16 Card Follow these instructions to remove the PCI Express x16 card from the connector: 1. Observe the precautions in "Before You Begin" on page 27. 2. Remove the screw (Figure 17, A) that secures the card’s metal bracket to the chassis back panel.
For correct function of the cable: 1. Observe the precautions in "Before You Begin" on page 27. 2. Attach the cable end with the single connector (blue) to the Intel Desktop Board (Figure 18, A). 3. Attach the cable end with the two closely spaced connectors (gray and black) to the drives (Figure 18, B).
Installing and Replacing Desktop Board Components Connecting Serial ATA (SATA) Cables SATA cables support the Serial ATA (SATA) protocol. Each cable can be used to connect a single SATA drive to the Desktop Board. For correct cable function: 1. Observe the precautions in "Before You Begin" on page 27. 2.
For correct function of the cable: 1. Observe the precautions in "Before You Begin" on page 27. 2. Attach the cable end labeled P1 to the diskette drive connector on the Intel Desktop Board (Figure 20, A). 3. Attach the cable end labeled P2 to the diskette drive (Figure 20, B).
Installing and Replacing Desktop Board Components Connecting to Internal Headers Before connecting cables to the internal headers, observe the precautions in “Before You Begin” on page 27. Figure 21 shows the location of the internal headers. Figure 21. Internal Headers...
Intel Desktop Board DG41KR Product Guide Front Panel HD Audio Header The front panel audio header shown in Figure 21, A supports both Intel High Definition (HD) Audio and AC ’97 Audio. Table 5 shows the pin assignments and signal names for HD Audio and Table 6 shows the pin assignments and signal names for AC ’97 Audio.
Installing and Replacing Desktop Board Components Front Panel Header See Figure 21, C for the location of the front panel header. Table 8 shows the pin assignments for the front panel header. Table 8. Front Panel Header Signal Names Signal Name In/Out Pin Signal Name In/Out...
Intel Desktop Board DG41KR Product Guide Chassis Intrusion Header Figure 21, E shows the location of the chassis intrusion header. This header can be connected to a mechanical switch on the chassis to detect if the chassis cover is removed. Table 10 shows the pin assignments for the chassis intrusion header.
Installing and Replacing Desktop Board Components Connecting to the Audio System After installing the audio driver, the multi-channel audio feature can be enabled. Figure 22 shows the back panel audio connectors. Item Description Rear Surround Center Channel and LFE (Subwoofer) Line In/Side Surround/Headphones Front Speaker/Headphones/Line Out Mic In...
Intel Desktop Board DG41KR Product Guide Connecting Chassis Fan and Power Supply Cables Chassis Fan Cables Connect chassis fan cables to the chassis fan headers on the Desktop Board. Figure 23 shows the location of the chassis fan headers. Figure 23. Location of the Chassis Fan Headers...
Installing and Replacing Desktop Board Components Power Supply 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.
Intel Desktop Board DG41KR Product Guide 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.
Installing and Replacing Desktop Board Components Table 12. Jumper Settings for the BIOS Setup Program Modes Jumper Setting Mode Description Normal (default) (1-2) The BIOS uses the current configuration and passwords for booting. Configure (2-3) After the Power-On Self-Test (POST) runs, the BIOS displays the Maintenance Menu.
Intel Desktop Board DG41KR Product Guide 9. Press <F10> to save the current values and exit Setup. 10. Turn off the computer. Disconnect the computer’s power cord from the AC power source. 11. Remove the computer cover. 12. To restore normal operation, place the jumper on pins 1-2 as shown below.
Page 55
Installing and Replacing Desktop Board Components VIKTIGT! Risk för explosion om batteriet ersätts med felaktig batterityp. Batterier ska kasseras enligt de lokala miljövårdsbestämmelserna. VARO Räjähdysvaara, jos pariston tyyppi on väärä. Paristot on kierrätettävä, jos se on mahdollista. Käytetyt paristot on hävitettävä paikallisten ympäristömääräysten mukaisesti.
Page 56
Intel Desktop Board DG41KR Product Guide UPOZORNÌNÍ V případě výměny baterie za nesprávný druh může dojít k výbuchu. Je-li to možné, baterie by měly být recyklovány. Baterie je třeba zlikvidovat v souladu s místními předpisy o životním prostředí. Προσοχή Υπάρχει κίνδυνος για έκρηξη σε περίπτωση που η μπαταρία αντικατασταθεί από μία...
Page 57
Installing and Replacing Desktop Board Components UPOZORNENIE Ak batériu vymeníte za nesprávny typ, hrozí nebezpečenstvo jej výbuchu. Batérie by sa mali podľa možnosti vždy recyklovať. Likvidácia použitých batérií sa musí vykonávať v súlade s miestnymi predpismi na ochranu životného prostredia. POZOR Zamenjava baterije z baterijo drugačnega tipa lahko povzroči eksplozijo.
Installing and Replacing Desktop Board Components To replace the battery, follow these steps: 1. Observe the precautions in "Before You Begin" (see page 27). 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.
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 Flash Memory Update Utility You can obtain either of these files through your computer supplier or by navigating to the Intel Desktop Board DG41KR page on the Intel World Wide Web site at http://support.intel.com/support/motherboards/desktop. Navigate to the DG41KR page. Under the “Software and drivers” heading, click on “Latest BIOS”...
CD-ROM, bootable USB flash drive, or other bootable USB media. The utility available on the Intel World Wide Web site provides a simple method for creating a bootable CD-ROM that will automatically update your BIOS. The Iflash BIOS update files can also be extracted locally to your hard drive and copied to a bootable USB flash drive or other bootable USB media.
BIOS could be damaged. Due to BIOS size and recovery requirements, a CD-R with the .BIO file in the root directory will be required. NOTE For more information about updating the Intel Desktop Board BIOS or recovering from a BIOS update failure, go to http://support.intel.com/support/motherboards/desktop/sb/CS-022312.htm.
A Error Messages and Indicators Intel Desktop Board DG41KR 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.
• Electromagnetic Compatibility (EMC) regulations • Product certifications Safety Standards Intel Desktop Board DG41KR complies with the safety standards stated in Table 15 when correctly installed in a compatible host system. Table 15. Safety Standards Regulation Title CSA/UL 60950-1, First Information Technology Equipment –...
Intel Desktop Board DG41KR Product Guide European Union Declaration of Conformity Statement We, Intel Corporation, declare under our sole responsibility that the product Intel ® Desktop Board DG41KR 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).
The following information is provided to address worldwide product ecology concerns and regulations. Recycling Considerations As part of its commitment to environmental responsibility, Intel has implemented the ® Intel Product Recycling Program to allow retail consumers of Intel’s branded products to return used products to selected locations for proper recycling.
Page 70
Français Dans le cadre de son engagement pour la protection de l'environnement, Intel a mis en œuvre le programme Intel Product Recycling Program (Programme de recyclage des produits Intel) pour permettre aux consommateurs de produits Intel de recycler les produits usés en les retournant à...
Page 71
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.
FLI is acceptable because of the RoHS "flip chip" or "die bump" interconnect exemption. Intel Desktop Board DG41KR is a lead-free second level interconnect product. Table 16 shows the lead-free second level interconnect marks as they appear on the board and accompanying collateral.
Polybrominated biphenyls (PBB) • Polybrominated diphenyl ether (PBDE) The maximum concentrations allowed are 0.1% or 1000 ppm (except for cadmium, which is limited to 0.01% or 100 ppm) by weight of homogeneous material. Intel Desktop Board DG41KR complies with these restrictions.
The EFUP for Intel Desktop Boards has been determined to be 10 years. The EFUP for Intel Desktop Board DG41KR is shown in Table 17. Table 17. China RoHS Environmentally Friendly Use Period Mark...
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 Intel Desktop Board DG41KR is shown in Figure 27. Figure 27. Intel Desktop Board DG41KR China RoHS Material...
Intel Desktop Board DG41KR Product Guide EMC Regulations Intel Desktop Board DG41KR complies with the EMC regulations stated in Table 18 when correctly installed in a compatible host system. Table 18. EMC Regulations Regulation (Class B) Title FCC 47 CFR Part 15,...
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. Ensure Electromagnetic Compatibility (EMC) Compliance 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.
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.