Page 2 - Revision History
Revision History Revision Revision History Date -001 First release of the Intel ® Desktop Board DX48BT2 Product Guide November 2007 If an FCC declaration of conformity marking is present on the board, the following statement applies: FCC Declaration of Conformity This device complies with Part 15 of...
Page 3 - Preface; Intended Audience; Conventions; CAUTION
iii Preface This Product Guide gives information about board layout, component installation, BIOS update, and regulatory requirements for Intel ® Desktop Board DX48BT2. Intended Audience The Product Guide is intended for technically qualified personnel. It is not intended for general audiences. Use ...
Page 4 - Terminology
Intel Desktop Board DX48BT2 Product Guide iv Terminology The table below gives descriptions of some common terms used in the product guide. Term Description GB Gigabyte (1,073,741,824 bytes) GHz Gigahertz (one billion hertz) KB Kilobyte (1024 bytes) MB Megabyte (1,048,576 bytes) Mb Megabit (1,048,57...
Page 5 - Contents; Desktop Board Features; Installing and Replacing Desktop Board Components
v Contents 1 Desktop Board Features Supported Operating Systems..............................................................................10 Desktop Board Components.................................................................................11 Processor .........................................
Page 6 - Updating the BIOS; Configuring for RAID
Intel Desktop Board DX48BT2 Product Guide vi Installing and Removing a Processor .....................................................................31 Installing a Processor ..................................................................................31 Installing the Processor Fan Heat Sink ...
Page 7 - Error Messages and Indicators
Contents vii Configuring for External RAID Using Marvell* Storage Technology .............................69 Configuring the BIOS ..................................................................................69 Creating Your RAID Set .................................................................
Page 8 - Tables
Intel Desktop Board DX48BT2 Product Guide viii 25. Connecting the IDE Cable ..............................................................................46 26. Connecting a Serial ATA Cable ........................................................................47 27. Internal Headers and Connector...
Page 9 - Desktop Board Features
9 1 Desktop Board Features This chapter briefly describes the features of Intel ® Desktop Board DX48BT2. Table 1 summarizes the major features of the Desktop Board. Table 1. Feature Summary Form Factor ATX (304.80 millimeters [12.00 inches] x 243.84 millimeters [9.60 inches]) Processor Support for a...
Page 11 - Desktop Board Components
Desktop Board Features 11 Desktop Board Components Figure 1 shows the approximate location of the major components on Desktop Board DX48BT2. Figure 1. Desktop Board DX48BT2 Components
Page 14 - Main Memory; NOTE
Intel Desktop Board DX48BT2 Product Guide 14 Main Memory NOTE To be fully compliant with all applicable Intel ® SDRAM memory specifications, the board should be populated with DIMMs that support the Serial Presence Detect (SPD) data structure. If your memory modules do not support SPD, you will see ...
Page 16 - LAN Subsystem
Intel Desktop Board DX48BT2 Product Guide 16 LAN Subsystem The LAN subsystem includes: • Intel ICH9R • Intel 82566DC Gigabit (10/100/1000 Mb/s) Ethernet LAN controller • RJ-45 LAN connector with integrated status LEDs The subsystem features: • CSMA/CD protocol engine • LAN connect interface between ...
Page 17 - Enhanced IDE Interface
Desktop Board Features 17 USB 2.0 Support The Desktop Board supports up to 12 USB 2.0 ports (eight ports routed to back panel connectors and four ports routed to two onboard headers) via the ICH9R. USB 2.0 ports are backward compatible with USB 1.1 devices. USB 1.1 devices will function normally at ...
Page 18 - Expandability; BIOS; Serial ATA and IDE Auto Configuration
Intel Desktop Board DX48BT2 Product Guide 18 Expandability Desktop Board DX48BT2 provides the following expansion capability: • Two PCI Express 2.0 x16 ports • One PCI Express 1.1 x4 port (routed to a x16 connector) • Two PCI bus connectors BIOS The BIOS provides the Power-On Self-Test (POST), the B...
Page 19 - Hardware Management; Hardware Monitoring and Fan Speed Control; Chassis Intrusion
Desktop Board Features 19 • Setting a user password restricts who can boot the computer. The password prompt is displayed before the computer is booted. If only the supervisor password is set, the computer boots without asking for a password. If both passwords are set, you can enter either password ...
Page 20 - Power Management; Software Support; ACPI; Hardware Support; Power Connectors
Intel Desktop Board DX48BT2 Product Guide 20 Power Management Power management is implemented at several levels, including software support through the Advanced Configuration and Power Interface (ACPI) and the following hardware support: • Power connectors • Fan headers • LAN wake capabilities • Ins...
Page 21 - Fan Headers; LAN Wake Capabilities; Instantly Available PC Technology; CAUTIONS
Desktop Board Features 21 Fan Headers The function/operation of the fans is as follows: • The fans are on when the computer is in the ACPI S0 state. • The fans are off when the computer is in the ACPI S3, S4, or S5 state. • Each fan header is wired to a tachometer input of the hardware monitoring an...
Page 22 - +5 V Standby Power Indicator
Intel Desktop Board DX48BT2 Product Guide 22 The Desktop Board supports the PCI Bus Power Management Interface Specification . Add-in cards that support this specification can participate in power management and can be used to wake the computer. +5 V Standby Power Indicator CAUTION If the AC power h...
Page 23 - ENERGY STAR* Capable
Desktop Board Features 23 Related Links: For more information on standby current requirements for the Desktop Board, refer to the Technical Product Specification by going to the following link, finding the product, and selecting Product Documentation from the left-hand menu:
Page 24 - Onboard Power Button
Intel Desktop Board DX48BT2 Product Guide 24 Onboard Power Button CAUTION Electrostatic discharge (ESD) can damage components. Perform the procedure described in this section only at an ESD workstation using an antistatic wrist strap and a conductive foam pad. If such a station is not available, you...
Page 25 - Onboard VR and CPU LEDs; Speaker
Desktop Board Features 25 Onboard VR and CPU LEDs In addition to the standby power indicator (see Figure 3), the Desktop Board contains two other LEDs (see Figure 5): • The VR LED (Figure 5, A) indicates an elevated temperature in the processor voltage regulator circuit that could affect performance...
Page 26 - Battery
Intel Desktop Board DX48BT2 Product Guide 26 Battery A battery on the Desktop Board keeps the values in CMOS RAM and the clock current when the computer is turned off. Go to page 58 for instructions on how to replace the battery. Real-Time Clock The Desktop Board has a time-of-day clock and 100-year...
Page 27 - Before You Begin
27 2 Installing and Replacing Desktop Board Components This chapter tells 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 and remove memory • Install and...
Page 28 - Installation Precautions; Prevent Power Supply Overload
Intel Desktop Board DX48BT2 Product Guide 28 Installation Precautions When you install and test the Intel Desktop Board, observe all warnings and cautions in the installation instructions. To avoid injury, be careful of: • Sharp pins on connectors • Sharp pins on printed circuit assemblies • Rough e...
Page 29 - Installing the I/O Shield
Installing and Replacing Desktop Board Components 29 Installing the I/O Shield The Desktop Board comes with an I/O shield. When installed in the chassis, the shield blocks radio frequency transmissions, protects internal components from dust and foreign objects, and promotes correct airflow within t...
Page 30 - Installing and Removing the Desktop Board
Intel Desktop Board DX48BT2 Product Guide 30 Installing and Removing the Desktop Board CAUTION Only qualified technical personnel should perform this procedure. Disconnect the computer from its power source before performing the procedures described here. Failure to disconnect the power before you o...
Page 31 - Installing and Removing a Processor; Installing a Processor
Installing and Replacing Desktop Board Components 31 Installing and Removing a Processor Instructions on how to install the processor on the Desktop Board are given below. Installing a Processor CAUTION Before installing or removing a processor, make sure the AC power has been removed by unplugging ...
Page 35 - Installing the Processor Fan Heat Sink
Installing and Replacing Desktop Board Components 35 Installing the Processor Fan Heat Sink Desktop Board DX48BT2 has mounting holes for a processor fan heat sink. For instructions on how to attach the processor fan heat sink to the Desktop Board, refer to the boxed processor manual. Connecting the ...
Page 36 - Removing the Processor; Installing the ICH Heat Sink Decorative Cover
Intel Desktop Board DX48BT2 Product Guide 36 Removing the Processor For instructions on how to remove the processor fan heat sink and processor, refer to the processor installation manual. Installing the ICH Heat Sink Decorative Cover (Optional) To install the ICH heat sink decorative cover, follow ...
Page 37 - Installing an MCH Heat Sink Fan (Optional)
Installing and Replacing Desktop Board Components 37 Installing an MCH Heat Sink Fan (Optional) If your system application requires more MCH cooling than that provided by the MCH passive heat sink, you can add a fan to the heat sink by using the included MCH heat sink fan mounting bracket. This fan ...
Page 38 - Installing and Removing Memory; Guidelines for Dual Channel Memory Configuration; Two or Four DIMMs
Intel Desktop Board DX48BT2 Product Guide 38 Installing and Removing Memory NOTE To be fully compliant with all applicable Intel SDRAM memory specifications, the board requires DIMMs that support the Serial Presence Detect (SPD) data structure. Desktop board DX48BT2 has four 240-pin DDR3 DIMM socket...
Page 39 - Three DIMMs
Installing and Replacing Desktop Board Components 39 Figure 18. Dual Channel Memory Configuration with Four DIMMs Three DIMMs If you want to use three DIMMs in a dual-channel configuration, install a matched pair of DIMMs equal in speed and size in DIMM 0 (blue) and DIMM 1 (black) of channel A. Inst...
Page 40 - Installing DIMMs
Intel Desktop Board DX48BT2 Product Guide 40 Installing DIMMs To make sure you have the correct DIMM, place it on the illustration of the DDR3 DIMM in Figure 20. All the notches should match with the DDR3 DIMM. Figure 20. Use DDR3 DIMMs
Page 42 - Removing DIMMs
Intel Desktop Board DX48BT2 Product Guide 42 Removing DIMMs To remove a DIMM, follow these steps: 1. Observe the precautions in "Before You Begin" on page 27. 2. Turn off all peripheral devices connected to the computer. Turn off the computer. 3. Remove the AC power cord from the computer. 4...
Page 43 - Installing Multiple PCI Express x16 Graphics Cards
Installing and Replacing Desktop Board Components 43 Installing and Removing a PCI Express x16 Card CAUTION When installing a PCI Express card on the Desktop Board, ensure that the card is fully seated in the PCI Express connector before you power on the system. If the card is not fully seated in th...
Page 44 - Installing a PCI Express x16 Card
Intel Desktop Board DX48BT2 Product Guide 44 Installing a PCI Express x16 Card Follow these instructions to install any PCI Express x16 card: 1. Observe the precautions in "Before You Begin" on page 27. 2. Place the card in a PCI Express x16 connector (Figure 23, A) and press down on the car...
Page 45 - Removing a PCI Express x16 Card
Installing and Replacing Desktop Board Components 45 Removing a PCI Express x16 Card Follow these instructions to remove a PCI Express x16 card from a connector: 1. Observe the precautions in "Before You Begin" on page 27. 2. Remove the screw (Figure 24, A) that secures the card’s metal brac...
Page 46 - Connecting the IDE Cable; NOTES
Intel Desktop Board DX48BT2 Product Guide 46 Connecting the IDE Cable The IDE cable can be used to connect two IDE drives to the Desktop Board. The cable supports the ATA-66/100 transfer protocol. Figure 25 shows the correct installation of the cable. NOTES ATA-66/100 compatible cables are backward ...
Page 47 - Connecting the Serial ATA (SATA) Cables
Installing and Replacing Desktop Board Components 47 Connecting the Serial ATA (SATA) Cables SATA cables support the Serial ATA protocol. Each cable can be used to connect one internal SATA drive to the Desktop Board. For correct cable function: 1. Observe the precaution in “Before You Begin” on pag...
Page 49 - Front Panel Audio Header; HD Audio Link Header
Installing and Replacing Desktop Board Components 49 Front Panel Audio Header Figure 27, A shows the location of the front panel audio header. Table 4 shows the pin assignments and signal names for the front panel audio header. Table 4. Front Panel Audio Header Signal Names Pin Signal Name Pin Signa...
Page 50 - Chassis Intrusion Header
Intel Desktop Board DX48BT2 Product Guide 50 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 6 s...
Page 52 - Front Panel Header; Alternate Front Panel Power LED Header
Intel Desktop Board DX48BT2 Product Guide 52 Front Panel Header Figure 27, I shows the location of the front panel header. Table 11 shows the pin assignments and signal names for the front panel header. Table 11. Front Panel Header Signal Names Pin Description In/Out Pin Description In/Out Hard Driv...
Page 53 - Connecting to the Flexible Audio System
Installing and Replacing Desktop Board Components 53 Connecting 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. Figure 28 shows the back panel audio connectors. The default connector assig...
Page 54 - Connecting Chassis Fan Cables
Intel Desktop Board DX48BT2 Product Guide 54 Connecting Chassis Fan and Power Supply Cables Connecting Chassis Fan Cables Connect chassis fan cables to the 3-pin and 4-pin chassis fan headers on the Desktop Board. Figure 29 shows the location of the chassis fan headers. Figure 29. Location of the Ch...
Page 55 - Connecting Power Supply Cables
Installing and Replacing Desktop Board Components 55 Connecting Power Supply Cables CAUTION Failure to use an appropriate power supply and/or not connecting the 12 V (2 x 4 pin) power connector to the Desktop Board may result in damage to the board or the system may not function properly. The 2 x 12...
Page 56 - Setting the BIOS Configuration Jumper
Intel Desktop Board DX48BT2 Product Guide 56 1. Observe the precautions in "Before You Begin" on page 27. 2. Connect the 12 V processor core voltage power supply cable to the 2 x 4 pin connector. Use the 2 x 2 to 2 x 4 adapter if need. NOTE Do not use the included 2 x 2 to 2 x 4 adapter when...
Page 57 - Clearing Passwords
Installing and Replacing Desktop Board Components 57 Table 14. Jumper Settings for the BIOS Setup Program Modes Jumper Setting Mode Description Normal (default) (1-2) The BIOS uses the current configuration and passwords for booting. Configure (2-3) After the Power-On Self-Test (POST) runs, the BIOS...
Page 58 - Replacing the Battery
Intel Desktop Board DX48BT2 Product Guide 58 12. To restore normal operation, place the jumper on pins 1-2 as shown below. 13. Replace the cover, plug in the computer, and turn on the computer. Replacing the Battery A coin-cell battery (CR2032) powers the real-time clock and CMOS memory. When the co...
Page 60 - Προσοχή
Intel Desktop Board DX48BT2 Product Guide 60 Προσοχή Υπάρχει κίνδυνος για έκρηξη σε περίπτωση που η μπαταρία αντικατασταθεί από μία λανθασμένου τύπου . Οι μπαταρίες θα πρέπει να ανακυκλώνονται όταν κάτι τέτοιο είναι δυνατό . Η απόρριψη των χρησιμοποιημένων μπαταριών πρέπει να γίνεται σύμφωνα με τους...
Page 63 - Updating the BIOS
63 3 Updating the BIOS The BIOS Setup program can be used to view and change the BIOS settings for the computer. You can access the BIOS Setup program by pressing the <F2> key after the Power-On Self-Test (POST) memory test begins and before the operating system boot begins. This chapter tells...
Page 64 - Utility; Obtaining the BIOS Update File
Intel Desktop Board DX48BT2 Product Guide 64 Updating the BIOS with the ISO Image BIOS Update File or the Iflash Memory Update Utility You can use the information in this section to update the BIOS using either the Iflash Memory Update Utility or the ISO Image BIOS update file. Obtaining the BIOS Up...
Page 66 - Recovering the BIOS
Intel Desktop Board DX48BT2 Product Guide 66 CAUTION Do not interrupt the process or the system may not function properly. 1. Uncompress the BIOS update file and copy the .BIO file, IFLASH.EXE, and .ITK file (optional) to a bootable USB flash drive or other bootable USB media. 2. Configure the BIOS ...
Page 67 - Configuring for RAID; Configuring the BIOS; Creating Your RAID Set
67 4 Configuring for RAID Configuring for RAID Using Intel ® Matrix Storage Technology NOTE Intel Matrix Storage Technology requires Microsoft Windows Vista or Microsoft Windows XP operating system and SATA hard drives. Configuring the BIOS 1. Assemble your system and attach two or more SATA hard dr...
Page 68 - Setting Up a “RAID Ready” System
Intel Desktop Board DX48BT2 Product Guide 68 Loading the Intel Matrix Storage Technology RAID Drivers and Software 1. Begin Windows Setup by booting from the Windows installation CD. 2. At the beginning of Windows Setup, press <F6> to install a third-party SCSI or RAID driver. When prompted, i...
Page 71 - A Error Messages and Indicators; BIOS Beep Codes; BIOS Error Messages
71 A Error Messages and Indicators Desktop Board DX48BT2 reports POST errors in two ways: • By sounding a beep code • By displaying an error message on the monitor BIOS Beep Codes The BIOS also issues a beep code (one long tone followed by two short tones) during POST if the video configuration fail...
Page 73 - B Regulatory Compliance; Safety Standards; Place Battery Marking
73 B Regulatory Compliance This appendix contains the following regulatory compliance information for Desktop Board DX48BT2: • Safety standards • European Union Declaration of Conformity statement • Product Ecology statements • Electromagnetic Compatibility (EMC) regulations • Product certifications...
Page 75 - Product Ecology Statements; Recycling Considerations
Regulatory Compliance 75 Lietuvi ų Šis produktas atitinka Europos direktyv ų 2004/108/EC ir 2006/95/EC nuostatas. Malti Dan il-prodott hu konformi mal-provvedimenti tad-Direttivi Ewropej 2004/108/EC u 2006/95/EC. Norsk Dette produktet er i henhold til bestemmelsene i det europeiske direktivet 2004/1...
Page 79 - Restriction of Hazardous Substances (RoHS); EU RoHS
Regulatory Compliance 79 Table 18. Lead-Free Second Level Interconnect Marks Description Mark This symbol is used to identify electrical and electronic assemblies and components in which the Pb concentration level in the Desktop Board substrate and the solder connections from the board to the compon...
Page 80 - China RoHS
Intel Desktop Board DX48BT2 Product Guide 80 China RoHS “China RoHS” is the term used by industry generally to describe legislation implemented by the Ministry of Information Industry (MII) in the People's Republic of China for the control of pollution by electronic information products (EIP). The o...
Page 82 - EMC Regulations
Intel Desktop Board DX48BT2 Product Guide 82 EMC Regulations Desktop Board DX48BT2 complies with the EMC regulations stated in Table 20 when correctly installed in a compatible host system. Table 20. EMC Regulations Regulation (Class B) Title FCC 47 CFR Part 15, Subpart B Title 47 of the Code of Fed...
Page 84 - Product Certifications; Board-Level Certification Markings
Intel Desktop Board DX48BT2 Product Guide 84 Product Certifications Board-Level Certification Markings Desktop Board DX48BT2 has the product certification markings shown in Table 21. Table 21. Product Certification Markings Description Mark UL joint US/Canada Recognized Component mark. Includes adja...
Page 85 - Chassis and Component Certifications
Regulatory Compliance 85 Chassis and Component Certifications Ensure that the chassis and certain components; such as the power supply, peripheral drives, wiring, and cables; are components certified for the country or market where used. Agency certification marks on the product are proof of certifi...