User manual INTEL DESKTOP BOARD DG41WV

[. . . ] Intel may make changes to specifications and product descriptions at any time, without notice. Intel Desktop Board DX79SI 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. Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order. Copies of documents which have an ordering number and are referenced in this document, or other Intel literature, may be obtained from Intel Corporation by going to the World Wide Web site at: http://www. intel. com/ or by calling 1-800-548-4725. Intel, Intel Core, and Xeon are trademarks of Intel Corporation in the United States and/or other countries. [. . . ] Use the connectors included with the Desktop Board to connect the graphics cards together. NOTE The installations steps that follow provide general instructions, for more complete installation and configuration information refer to the documentation supplied by the graphics card manufacturer or visit their website. 46 Installing and Replacing Desktop Board Components To install two linked PCI Express graphics cards: 1. Observe the precautions in "Before You Begin" on page 33. Install the first card in the PCI Express x16 connector as described in ?Installing PCI Express x16 Graphics Cards?Place the second card in the secondary PCI Express x16 connector (Figure 20, 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 20, B). Connect the two cards together with the SLI bridge (Figure 20, C) as shown. Connect the monitor cable to the graphics card according to the manufacturer?s instructions. Figure 20. Installing Linked PCI Express Graphics Cards For more complete installation and configuration information refer to the documentation supplied by the graphics card manufacturer or visit their website. 47 Intel Desktop Board DX79SI Product Guide Connecting SATA Cables SATA cables support the Serial ATA protocol. Each cable can be used to connect one internal SATA drive to the Desktop Board. The blue connectors support SATA 6 Gb/s and lower transfer rates and the black connectors support SATA 3 Gb/s and lower transfer rates. Observe the precaution in ?Before You Begin?The emitter header consists of two output ports which the computer can use to emulate ?learned?infrared commands in order to control external electronic hardware. NOTE The Consumer IR option must be enabled in the system BIOS before it can function. Press <F2> at boot to enter the system BIOS, and go to Advanced > Peripheral Configuration > Enhanced Consumer IR, and set this option to Enabled. Table 11 shows the pin assignments and signal names for the front panel CIR receiver (input) header and Table 12 shows the pin assignments and signal names for the back panel CIR emitter (output) header. Front Panel CIR Receiver (Input) Header Signal Names Pin 1 3 5 7 Signal Name Ground No Connection +5 V Standby Key (no pin) Pin 2 4 6 8 Signal Name LED Learn-In Vcc CIR Input Table 12. Back Panel CIR Header Emitter (Output) Header Signal Names Pin 1 3 5 Signal Name Emitter Out 1 Ground Jack Detect 1 Pin 2 4 6 Signal Name Emitter Out 2 Key (no pin) Jack Detect 2 52 Installing and Replacing Desktop Board Components USB 2. 0 Headers Figure 22, G shows the location of the USB 2. 0 headers. Table 13 shows the pin assignments and signal names 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 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. Front Panel Header Figure 22, I shows the location of the front panel header. Table 14 shows the pin assignments and signal names for the front panel header. [. . . ] 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. 87 Intel Desktop Board DX79SI Product Guide Product Certifications Board-Level Certifications Intel Desktop Board DX79SI has the regulatory compliance marks shown in Table 23. Regulatory Compliance Marks 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. [. . . ]