User manual INTEL DESKTOP BOARD DG41MJ

[. . . ] 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: ? [. . . ] Use DDR2 DIMMs 39 Intel Desktop Board DB43LD Product Guide To install a DIMM, follow these steps: 1. Remove the computer?s cover and locate the DIMM sockets (see Figure 16). Figure 16. Make sure the clips at either end of the DIMM socket(s) are pushed outward to the open position. Holding the DIMM by the edges, remove it from its anti-static package. Align the small notch at the bottom edge of the DIMM with the keys in the socket (see inset in Figure 16). When the DIMM is inserted, push down on the top edge of the DIMM until the retaining clips snap into place. Replace the computer?s cover and reconnect the AC power cord. 40 Installing and Replacing Desktop Board Components Removing DIMMs To remove a DIMM, follow these steps: 1. Hold the DIMM by the edges, lift it away from the socket, and store it in an anti-static package. Reinstall and reconnect any parts you removed or disconnected to reach the DIMM sockets. Replace the computer?s cover and reconnect the AC power cord. 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. If your chassis has a three-pin front panel power LED cable, connect it to this header. Table 10 shows the pin assignments for the alternate front panel power LED header. Alternate Front Panel Power LED Header Signal Names Pin 1 2 3 Description Front panel main color LED No pin Front panel alternate LED Out In/Out Out Front Panel Header See Figure 20, E for the location of the multi-colored 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 47 Intel Desktop Board DB43LD Product Guide USB 2. 0 Headers See Figure 20, F for the location of the USB 2. 0 headers. 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. Chassis Intrusion Header Figure 20, G on page 45 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. This switch should be in the open position when the chassis cover is installed and closed when the cover is removed. Chassis Intrusion Header Signal Names Pin 1 2 Description Intruder Ground 48 Installing and Replacing Desktop Board Components Connecting to the Audio System Figure 21 shows the default back panel audio connector assignments. Table 3 on page 16 lists the supported audio connector assignments. Item A B C Description Line In Line Out Mic In Figure 21. Default Back Panel Audio Connectors NOTE The back panel line out connector is designed to power either headphones or amplified speakers only. [. . . ] China RoHS Environmentally Friendly Use Period Mark Description This is an example of the symbol used on Intel Desktop Boards and associated collateral. The Environmental Friendly Usage Period (EFUP) for Intel Desktop Boards has been determined to be 10 years. Mark 74 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 DB43LD is shown in Figure 26. Figure 26. [. . . ]