User manual INTEL DESKTOP BOARD DG41BI

[. . . ] These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: ? [. . . ] If the card is not fully seated in the PCI Express connector, an electrical short may result across the PCI Express connector pins. Depending on the over-current protection of the power supply, certain Desktop Board components and/or traces may be damaged. Installing a PCI Express x16 Card 1. Observe the precautions in "Before You Begin" on page 29. Place the card in the PCI Express x16 connector (Figure 19, A) and press down on the card until it is completely seated in the connector and the card retention notch on the card snaps into place around the retention mechanism pin on the connector. Secure the card?s metal bracket to the chassis back panel with a screw (Figure 19, B). Figure 19. Installing a PCI Express x16 Card 43 Intel Desktop Board DQ45CB Product Guide 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 29. Remove the screw (Figure 20, A) that secures the card?s metal bracket to the chassis back panel. Push the card ejector lever down using the tip of a pencil or similar tool (Figure 20, B) in the notch. This will release the card from the connector (C). Pull the card straight up. Figure 20. Table 12 shows the pin assignments for the front panel header. Front Panel Header Signal Names Pin 1 3 5 7 9 Description Hard Drive Activity LED Hard disk LED pull-up to +5 V Out Hard disk active LED Reset Switch Ground Reset switch Power Power Out 10 No pin In 6 8 Ground Not Connected Out 2 4 In/Out Pin Description Power LED Front panel green LED Front panel yellow LED On/Off Switch Power switch In Out Out In/Out USB 2. 0 Headers See Figure 22, G for the location of the three USB 2. 0 headers. Table 13 shows the pin assignments for each USB 2. 0 header. Each USB header can be used to connect two USB devices. USB 2. 0 Header Signal Names USB Port A Pin 1 3 5 7 9 Signal Name Power (+5 V) DD+ Ground Key Pin 2 4 6 8 10 USB Port B Signal Name Power (+5 V) DD+ Ground No Connection Note: USB ports may be assigned as needed. NOTE Computer systems that have an unshielded cable attached to a USB port might not meet FCC Class B requirements, even if no device or a low-speed USB device is attached to the cable. Use a shielded cable that meets the requirements for a full-speed USB device. 49 Intel Desktop Board DQ45CB Product Guide IEEE 1394a Header See Figure 22, H for the location of the IEEE 1394a header. Table 14 shows the pin assignments for the header. IEEE 1394a Header Signal Names Pin 1 3 5 7 9 Signal Name TPA1+ Ground TPA2+ +12 V Key (no pin) Pin 2 4 6 8 10 Signal Name TPA1Ground TPA2+12 V Ground Connecting to the Audio System After installing the Analog Devices audio driver from the Intel Express Installer DVD-ROM, the multi-channel audio feature can be enabled. Figure 23 shows the default back panel audio connector assignments. The audio connectors are retaskable via audio software. Table 3 on page 16 lists the supported audio connector assignments. Item A B C Description Line In Line Out Mic In Figure 23. [. . . ] If this is used near a radio or television receiver in a domestic environment, it may cause radio interference. Install and use the equipment according to the instruction manual. 82 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. Pay close attention to the following when reading the installation instructions for the host chassis, power supply, and other modules: ? [. . . ]