User manual INTEL DESKTOP BOARD DQ45EK

[. . . ] Intel Desktop Board DQ45EK Product Guide Order Number: E37725-002 Revision History Revision -001 -002 Revision History First release of the Intel Desktop Board DQ45EK Product Guide Second release of the Intel Desktop Board DQ45EK Product Guide Date June 2008 May 2009 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, including interference that may cause undesired operation. For questions related to the EMC performance of this product, contact: Intel Corporation, 5200 N. E. Elam Young Parkway, Hillsboro, OR 97124 1-800-628-8686 This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. [. . . ] Poor audio quality may occur if passive (non-amplified) speakers are connected to this output. 47 Intel Desktop Board DQ45EK Product Guide Connecting Chassis Fan and Power Supply Cables Chassis Fan Cables Connect chassis fan cables to the 3-pin chassis fan header on the Desktop Board. Figure 20 shows the location of the chassis fan headers. Figure 20. Location of the Chassis Fan Headers 48 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. The 2 x 12 pin main power connector on the Desktop Board is backwards compatible with ATX12V power supplies with 2 x 10 connectors. Figure 21 shows the location of the Desktop Board power connectors. Figure 21. Observe the precautions in "Before You Begin" on page 29. Connect the main power supply cable to the 2 x 12 pin connector. Connect the 12 V processor core voltage power supply cable to the 2 x 2 pin connector. 49 Intel Desktop Board DQ45EK 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. Figure 22 shows the location of the Desktop Board?s BIOS configuration jumper block. Figure 22. Location of the BIOS Configuration Jumper Block The three-pin BIOS jumper block enables all board configurations to be done in the BIOS Setup program. Table 13 shows the jumper settings for the BIOS Setup program modes. 50 Installing and Replacing Desktop Board Components Table 13. Jumper Settings for the BIOS Setup Program Modes Jumper Setting Mode Normal (default) (1-2) Description 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. Use this menu to clear passwords. Recovery (None) The BIOS recovers data in the event of a failed BIOS update. Clearing BIOS Security Passwords This procedure assumes that the board is installed in the computer and the configuration jumper block is set to normal mode. Observe the precautions in "Before You Begin" on page 29. 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). Find the configuration jumper block (see Figure 22). Place the jumper on pins 2-3 as shown below. 6. Replace the cover, plug in the computer, turn on the computer, and allow it to boot. Setup displays the Maintenance menu. 51 Intel Desktop Board DQ45EK Product Guide 8. Use the arrow keys to select Clear Passwords. [. . . ] Product certifications or lack of certifications External I/O cable shielding and filtering Mounting, grounding, and bonding requirements Keying connectors when mating the wrong connectors could be hazardous If the power supply and other modules or peripherals, as applicable, are not Class B EMC compliant before integration, then EMC testing may be required on a representative sample of the newly completed computer. 81 Intel Desktop Board DQ45EK Product Guide Product Certifications Board-Level Certification Markings Intel Desktop Board DQ45EK has the product certification markings shown in Table 20. Product Certification Markings Description 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. [. . . ]