Product Guide
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Contents 1 Desktop Board Features Supported Operating Systems 10 Desktop Board Components 11 Processor ...13 Main Memory...14 Intel® X48 Express Chipset 15 Audio Subsystem 15 LAN Subsystem 16 USB 2.0 Support 17 Enhanced IDE Interface 17 Serial ATA...17 Legacy I/O ...17 Expandability...Onboard Power Button 24 Onboard VR and CPU LEDs 25 Speaker...25 Battery ...26 Real-Time Clock 26 2 Installing and Replacing Desktop Board Components Before You Begin 27 Installation Precautions 28 Prevent Power Supply Overload 28 Observe Safety and Regulatory Requirements 28 Installing the I/O ...
Contents 1 Desktop Board Features Supported Operating Systems 10 Desktop Board Components 11 Processor ...13 Main Memory...14 Intel® X48 Express Chipset 15 Audio Subsystem 15 LAN Subsystem 16 USB 2.0 Support 17 Enhanced IDE Interface 17 Serial ATA...17 Legacy I/O ...17 Expandability...Onboard Power Button 24 Onboard VR and CPU LEDs 25 Speaker...25 Battery ...26 Real-Time Clock 26 2 Installing and Replacing Desktop Board Components Before You Begin 27 Installation Precautions 28 Prevent Power Supply Overload 28 Observe Safety and Regulatory Requirements 28 Installing the I/O ...
Product Guide
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Intel Desktop Board DX48BT2 Product Guide Installing and Removing a Processor 31 Installing a Processor 31 Installing...Connecting the Serial ATA (SATA) Cables 47 Connecting to the Internal Headers and Connectors 48 Front Panel Audio Header 49 HD Audio Link Header 49 Consumer IR (CIR) Headers 49 Chassis Intrusion Header 50 IEEE 1394a Header 51 ...Front Panel Header 52 Alternate Front Panel Power LED Header 52 S/PDIF Connector 52 Connecting to the Flexible Audio System 53 Connecting Chassis Fan and Power Supply Cables 54 Connecting Chassis Fan Cables 54 Connecting Power Supply Cables...
Intel Desktop Board DX48BT2 Product Guide Installing and Removing a Processor 31 Installing a Processor 31 Installing...Connecting the Serial ATA (SATA) Cables 47 Connecting to the Internal Headers and Connectors 48 Front Panel Audio Header 49 HD Audio Link Header 49 Consumer IR (CIR) Headers 49 Chassis Intrusion Header 50 IEEE 1394a Header 51 ...Front Panel Header 52 Alternate Front Panel Power LED Header 52 S/PDIF Connector 52 Connecting to the Flexible Audio System 53 Connecting Chassis Fan and Power Supply Cables 54 Connecting Chassis Fan Cables 54 Connecting Power Supply Cables...
Product Guide
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... Signal Names 49 5. Chassis Intrusion Header Signal Names 50 9. Lead-Free Second Level Interconnect Marks 79 19. Back Panel Audio Connectors 53 29. Location of the Chassis Fan Headers 54 30. HD Audio Link Header Signal Names 49 6. Internal Headers and Connectors 48 28. USB 2.0 Header Signal Names 51 11. Front Panel... Header Signal Names 51 10. Jumper Settings for the BIOS Setup Program Modes 57 15. Connecting a Serial ATA Cable 47 27. Safety Standards 73 18. Intel Desktop Board DX48BT2 Product Guide 25. Feature Summary 9 2.
... Signal Names 49 5. Chassis Intrusion Header Signal Names 50 9. Lead-Free Second Level Interconnect Marks 79 19. Back Panel Audio Connectors 53 29. Location of the Chassis Fan Headers 54 30. HD Audio Link Header Signal Names 49 6. Internal Headers and Connectors 48 28. USB 2.0 Header Signal Names 51 11. Front Panel... Header Signal Names 51 10. Jumper Settings for the BIOS Setup Program Modes 57 15. Connecting a Serial ATA Cable 47 27. Safety Standards 73 18. Intel Desktop Board DX48BT2 Product Guide 25. Feature Summary 9 2.
Product Guide
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...Multiple PCI Express* graphics cards • Independent multi-streaming 8-channel (7.1) audio and 2-channel audio subsystem, featuring: ― Intel® High Definition Audio interface ― IDT* STAC9274D audio codec • HD Audio Link header • HD Audio front panel header • Onboard 3-pin S/PDIF connector • ...1333/1066/800 MHz DDR3 SDRAM interface • Support for up to 8 GB of system memory Intel® X48 Express Chipset consisting of the Desktop Board. 1 Desktop Board Features This chapter briefly describes the features of Intel® Desktop Board DX48BT2.
...Multiple PCI Express* graphics cards • Independent multi-streaming 8-channel (7.1) audio and 2-channel audio subsystem, featuring: ― Intel® High Definition Audio interface ― IDT* STAC9274D audio codec • HD Audio Link header • HD Audio front panel header • Onboard 3-pin S/PDIF connector • ...1333/1066/800 MHz DDR3 SDRAM interface • Support for up to 8 GB of system memory Intel® X48 Express Chipset consisting of the Desktop Board. 1 Desktop Board Features This chapter briefly describes the features of Intel® Desktop Board DX48BT2.
Product Guide
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Intel Desktop Board DX48BT2 Product Guide Table 2. Desktop Board DX48BT2 Components Label A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA BB CC DD EE FF GG Description Rear chassis fan header 2 (4-pin) PCI bus connector 2 PCI Express 1.1 x16 (x4 electrical) connector PCI bus connector 1 PCI Express 2.0 x16 secondary connector Front panel audio header PCI Express 2.0 x16 primary ... CIR receiver (input) header Back panel CIR transmitter (output) header Front panel header High Definition Audio Link header Auxiliary PCI Express graphics power connector (1 x 4 pin) S/PDIF connector 12
Intel Desktop Board DX48BT2 Product Guide Table 2. Desktop Board DX48BT2 Components Label A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA BB CC DD EE FF GG Description Rear chassis fan header 2 (4-pin) PCI bus connector 2 PCI Express 1.1 x16 (x4 electrical) connector PCI bus connector 1 PCI Express 2.0 x16 secondary connector Front panel audio header PCI Express 2.0 x16 primary ... CIR receiver (input) header Back panel CIR transmitter (output) header Front panel header High Definition Audio Link header Auxiliary PCI Express graphics power connector (1 x 4 pin) S/PDIF connector 12
Product Guide
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... processors for more information about : • Desktop Board DX48BT2 http://www.intel.com/design/motherbd http://support.intel.com/support/motherboards/ desktop • Supported processors http://www.intel.com/go /findCPU 13 The processor connects to the following links for Desktop Board DX48BT2, http://www.intel.com/go /findCPU • Audio software and utilities http://www.intel.com/design/motherbd • LAN software and...
... processors for more information about : • Desktop Board DX48BT2 http://www.intel.com/design/motherbd http://support.intel.com/support/motherboards/ desktop • Supported processors http://www.intel.com/go /findCPU 13 The processor connects to the following links for Desktop Board DX48BT2, http://www.intel.com/go /findCPU • Audio software and utilities http://www.intel.com/design/motherbd • LAN software and...
Product Guide
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Desktop Board Features Intel® X48 Express Chipset The Intel X48 Express Chipset consists of the following devices: • Intel X48 Express Chipset Memory Controller Hub (MCH) with Direct Media Interface (DMI) interconnect • Intel 82801IR I /O controller hub • IDT STAC9274D audio codec The subsystem has the following link or pages for more information about : • Audio drivers and...
Desktop Board Features Intel® X48 Express Chipset The Intel X48 Express Chipset consists of the following devices: • Intel X48 Express Chipset Memory Controller Hub (MCH) with Direct Media Interface (DMI) interconnect • Intel 82801IR I /O controller hub • IDT STAC9274D audio codec The subsystem has the following link or pages for more information about : • Audio drivers and...
Product Guide
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...Failure to disconnect power, telecommunications links, networks, or modems before you how to: • Install the I/O shield • Install and remove the Desktop Board • Install and remove a processor • Install the ICH heat sink decorative cover • Install an MCH heat sink fan • Install... x16 card • Connect the IDE and Serial ATA cables • Connect to the internal headers and connectors • Connect to the audio system • Connect chassis fan and power supply cables • Set the BIOS configuration jumper • Clear passwords • Replace the ...
...Failure to disconnect power, telecommunications links, networks, or modems before you how to: • Install the I/O shield • Install and remove the Desktop Board • Install and remove a processor • Install the ICH heat sink decorative cover • Install an MCH heat sink fan • Install... x16 card • Connect the IDE and Serial ATA cables • Connect to the internal headers and connectors • Connect to the audio system • Connect chassis fan and power supply cables • Set the BIOS configuration jumper • Clear passwords • Replace the ...
Product Guide
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Item Description A Front panel audio B HD Audio Link C Back panel CIR emitter (output) D Front panel CIR receiver (input) E Chassis intrusion Item Description F IEEE 1394a G USB 2.0 (2) H Alternate front panel power LED I ...Headers and Connectors 48 Figure 27 shows the location of the internal headers or connectors, observe the precautions in "Before You Begin" on Intel Desktop Board DX48BT2. Intel Desktop Board DX48BT2 Product Guide Connecting to the Internal Headers and Connectors Before connecting cables to any of the internal headers and connectors on page 27.
Item Description A Front panel audio B HD Audio Link C Back panel CIR emitter (output) D Front panel CIR receiver (input) E Chassis intrusion Item Description F IEEE 1394a G USB 2.0 (2) H Alternate front panel power LED I ...Headers and Connectors 48 Figure 27 shows the location of the internal headers or connectors, observe the precautions in "Before You Begin" on Intel Desktop Board DX48BT2. Intel Desktop Board DX48BT2 Product Guide Connecting to the Internal Headers and Connectors Before connecting cables to any of the internal headers and connectors on page 27.
Product Guide
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... which the computer can use to emulate "learned" infrared commands in order to speak the infrared communication language of the HD Audio Link header. Installing and Replacing Desktop Board Components Front Panel Audio Header Figure 27, A shows the location of a filtered translated infrared input compliant with Microsoft CIR specifications and a "learning" infrared input. The...
... which the computer can use to emulate "learned" infrared commands in order to speak the infrared communication language of the HD Audio Link header. Installing and Replacing Desktop Board Components Front Panel Audio Header Figure 27, A shows the location of a filtered translated infrared input compliant with Microsoft CIR specifications and a "learning" infrared input. The...
Product Guide
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... and signal names for the S/PDIF connector. Table 11. This connector can be used with HDMI video cards that do not work with the HD Audio Link header (see Figure 27, B). Pins 1 and 3 of this header. Alternate Front Panel Power LED Header Signal Names Pin Description 1 Front panel green ... LED Power LED 1 Hard disk LED pull-up to this header duplicate the signals on pins 2 and 4 of the S/PDIF connector. Table 12. Intel Desktop Board DX48BT2 Product Guide Front Panel Header Figure 27, I shows the location of the alternate front panel power LED header. Table 13.
... and signal names for the S/PDIF connector. Table 11. This connector can be used with HDMI video cards that do not work with the HD Audio Link header (see Figure 27, B). Pins 1 and 3 of this header. Alternate Front Panel Power LED Header Signal Names Pin Description 1 Front panel green ... LED Power LED 1 Hard disk LED pull-up to this header duplicate the signals on pins 2 and 4 of the S/PDIF connector. Table 12. Intel Desktop Board DX48BT2 Product Guide Front Panel Header Figure 27, I shows the location of the alternate front panel power LED header. Table 13.
Product Guide
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... and LFE (Subwoofer) C Side Surround Left and Right/Line In/Retasking Jack D Line Out E Mic In F S/PDIF Digital Audio Out (Optical) Figure 28. Poor audio quality may occur if passive (non-amplified) speakers are shown in the table. Figure 28 shows the back panel... audio connectors. Back Panel Audio Connectors NOTE The back panel line out connector is designed to the Flexible Audio System After installing the IDT* audio driver from the Intel® Express Installer DVD-ROM, the multi-channel audio feature can be enabled. Installing and Replacing Desktop Board Components...
... and LFE (Subwoofer) C Side Surround Left and Right/Line In/Retasking Jack D Line Out E Mic In F S/PDIF Digital Audio Out (Optical) Figure 28. Poor audio quality may occur if passive (non-amplified) speakers are shown in the table. Figure 28 shows the back panel... audio connectors. Back Panel Audio Connectors NOTE The back panel line out connector is designed to the Flexible Audio System After installing the IDT* audio driver from the Intel® Express Installer DVD-ROM, the multi-channel audio feature can be enabled. Installing and Replacing Desktop Board Components...