User manual INTEL DESKTOP BOARD DG43NB

[. . . ] 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: ? [. . . ] Replace the computer?s cover and reconnect the AC power cord. Removing DIMMs To remove a DIMM, follow these steps: 1. Observe the precautions in "Before You Begin" on page 25. Turn off all peripheral devices connected to the computer. Remove the AC power cord from the computer. Gently spread the retaining clips at each end of the DIMM socket. 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. Depending on the over-current protection of the power supply, certain Desktop Board components and/or traces may be damaged. 37 Intel Desktop Board DG41RQ Product Guide Installing 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. Attach one end of the SATA cable to one of the SATA connectors on the board (Figure 19, A) and attach the other end of the cable to the SATA drive (Figure 19, B). Figure 19. Connecting a Serial ATA Cable 41 Intel Desktop Board DG41RQ Product Guide Connecting to the Internal Headers and Connectors Before connecting cables to the internal headers and connectors, observe the precautions in ?Before You Begin?Figure 20 shows the location of the internal headers and connectors for Intel Desktop Board DG41RQ. Figure 20. Internal Headers and Connectors 42 Installing and Replacing Desktop Board Components Front Panel Audio Header The front panel audio header shown in Figure 20, A on page 42 supports both 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. Front Panel Audio Signal Names for Intel HD Audio Pin 1 3 5 7 9 Signal Name PORT 1L (Microphone) PORT 1R (Microphone) PORT 2R (Headphone) SENSE_SEND PORT 2L (Headphone) Pin 2 4 6 8 10 Signal Name GND PRESENCE# SENSE1_RETURN KEY (no pin) SENSE2_RETURN Table 6. Front Panel Audio Header Signal Names for AC?97 Audio Pin 1 3 5 7 9 Signal Name MIC MIC_BIAS FP_OUT_R AUD_5V FP_OUT_L Pin 2 4 6 8 10 Signal Name AUD_GND AUD_GND FP_RETURN_R KEY (no pin) FP_RETURN_L S/PDIF Connector Figure 20, B on page 42 shows the location of the S/PDIF connector. Table 7 shows the pin assignments for the S/PDIF connector. S/PDIF Connector Pin 1 2 3 Description VCC SPDIF OUT Ground 43 Intel Desktop Board DG41RQ Product Guide Serial Port Header See Figure 20, C on page 42 for the location of the serial port header. Table 8 shows the pin assignments for the serial port header. Serial Port Header Signal Names Pin 1 3 5 7 9 Signal Name DCD TXD# Ground RTS RI Pin 2 4 6 8 10 Signal Name RXD# DTR DSR CTS No Connection Parallel Port Header See Figure 20, D on page 42 for the location of the serial port header. [. . . ] (International) Voluntary Control for Interference by Information Technology Equipment (Japan) Japanese Kanji statement translation: This is a Class B product based on the standard of the Voluntary Control Council for Interference from Information Technology Equipment (VCCI). 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. 69 Intel Desktop Board DG41RQ Product Guide 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. [. . . ]