
October 2007 Order Number: E14885-001 The Intel® Desktop Board DX38BT may contain design defects or errors known as errata that may cause the p
Intel Desktop Board DX38BT Technical Product Specification 10 1.1 Overview 1.1.1 Feature Summary Table 1 summarizes the major features of the boar
Product Description 11 Table 1. Feature Summary (continued) Expansion Capabilities • Two PCI* Conventional bus add-in card connectors (SMBus routed
Intel Desktop Board DX38BT Technical Product Specification 12 1.1.2 Board Layout Figure 1 shows the location of the major components on board DX38B
Product Description 13 Table 2. Components Shown in Figure 1 Item/callout from Figure 1 Description A Rear fan header 2 B PCI Conventional bus ad
Intel Desktop Board DX38BT Technical Product Specification 14 1.1.3 Block Diagram Figure 2 is a block diagram of the major functional areas of the
Product Description 15 1.2 Legacy Considerations This board differs from other Intel Desktop Board products, with specific changes including (but no
Intel Desktop Board DX38BT Technical Product Specification 16 1.5 System Memory The board has four DIMM sockets and supports the following memory f
Product Description 17 1.5.1 Memory Configurations The Intel 82X38 MCH supports the following types of memory organization: • Dual channel (Interl
Intel Desktop Board DX38BT Technical Product Specification 18 Figure 3. Memory Channel and DIMM Configuration
Product Description 19 1.6 Intel® X38 Chipset The Intel X38 chipset consists of the following devices: • Intel 82X38 Memory Controller Hub (MCH) wi
Revision History Revision Revision History Date -001 First DRAFT of the Intel® Desktop Board DX38BT Technical Product Specification October 2007 Th
Intel Desktop Board DX38BT Technical Product Specification 20 1.6.2 Serial ATA Interfaces The board provides six Serial ATA (SATA) connectors, whic
Product Description 21 1.7 Discrete eSATA/PATA Controller The board provides a discrete Marvell* controller to support two eSATA connectors on the b
Intel Desktop Board DX38BT Technical Product Specification 22 NOTE ATA-66 and ATA-100 are faster timings and require an 80-pin conductor cable to
Product Description 23 1.9 Legacy I/O Controller The I/O controller provides the following features: • Consumer Infrared (CIR) headers • Serial I
Intel Desktop Board DX38BT Technical Product Specification 24 1.10 Audio Subsystem The board supports the Intel High Definition audio subsystem bas
Product Description 25 1.10.3 8-Channel (7.1) Audio Subsystem The 8-channel (7.1) audio subsystem includes the following: • Intel 82801IR (ICH9R)
Intel Desktop Board DX38BT Technical Product Specification 26 1.11 LAN Subsystem The LAN subsystem consists of the following: • Intel 82566DC Giga
Product Description 27 1.11.2 LAN Subsystem Software LAN software and drivers are available from Intel’s World Wide Web site. For information about
Intel Desktop Board DX38BT Technical Product Specification 28 1.11.4 Alert Standard Format (ASF) Support The board provides the following ASF suppo
Product Description 29 1.12 Hardware Management Subsystem The hardware management features enable the board to be compatible with the Wired for Mana
iii Preface This Technical Product Specification (TPS) specifies the board layout, components, connectors, power and environmental requirements, an
Intel Desktop Board DX38BT Technical Product Specification 30 1.12.4 Thermal Monitoring Figure 6 shows the locations of the thermal sensors and fan
Product Description 31 1.13 Power Management Power management is implemented at several levels, including: • Software support through Advanced Conf
Intel Desktop Board DX38BT Technical Product Specification 32 Table 5 lists the system states based on how long the power switch is pressed, dependi
Product Description 33 Table 6 lists the power states supported by the board along with the associated system power targets. See the ACPI specificat
Intel Desktop Board DX38BT Technical Product Specification 34 1.13.1.2 ENERGY STAR* In 2007, the US Department of Energy and the US Environmental
Product Description 35 • LAN wake capabilities • Instantly Available PC technology • Wake from USB • PME# signal wake-up support • WAKE# signal
Intel Desktop Board DX38BT Technical Product Specification 36 1.13.2.3 LAN Wake Capabilities CAUTION For LAN wake capabilities, the +5 V standby l
Product Description 37 1.13.2.5 Wake from USB USB bus activity wakes the computer from ACPI S1 or S3 states. NOTE Wake from USB requires the use o
Intel Desktop Board DX38BT Technical Product Specification 38 Item Description A Voltage Regulator LED (Red) B Processor LED (Red) C Standby pow
Product Description 39 1.14 Onboard Power Button The board provides a power button that can be used to turn the computer on or off. This button is
Intel Desktop Board DX38BT Technical Product Specification iv Other Common Notation # Used after a signal name to identify an active-low signal (s
Intel Desktop Board DX38BT Technical Product Specification 40
41 2 Technical Reference What This Chapter Contains 2.1 Memory Resources ...
Intel Desktop Board DX38BT Technical Product Specification 42 Upper BIOS area (64 KB)Lower BIOS area(64 KB; 16 KB x 4)Add-in Card BIOS and Buffer ar
Technical Reference 43 2.1.2 Memory Map Table 8 lists the system memory map. Table 8. System Memory Map Address Range (decimal) Address Range (hex
Intel Desktop Board DX38BT Technical Product Specification 44 2.2.1.1 Back Panel Connectors Figure 10 shows the location of the back panel connect
Technical Reference 45 2.2.2 Component-side Connectors and Headers Figure 11 shows the locations of the component-side connectors and headers. Figu
Intel Desktop Board DX38BT Technical Product Specification 46 Table 9. Component-side Connectors and Headers Shown in Figure 11 Item/callout from F
Technical Reference 47 2.2.2.1 Signal Tables for the Connectors and Headers Table 10. HD Audio Link Header Pin Signal Name Pin Signal Name 1 BCL
Intel Desktop Board DX38BT Technical Product Specification 48 Table 13. Chassis Intrusion Header Pin Signal Name 1 Intruder 2 Ground Table 14. Fron
Technical Reference 49 2.2.2.2 Add-in Card Connectors The board has the following add-in card connectors: • PCI Express 2.0 x16: two PCI Express 2
v Contents 1 Product Description 1.1 Overview... 10 1.1.1 Fe
Intel Desktop Board DX38BT Technical Product Specification 50 2.2.2.4 Power Supply Connectors The board has the following power supply connectors:
Technical Reference 51 Table 18. Main Power Connector Pin Signal Name Pin Signal Name 1 +3.3 V 13 +3.3 V 2 +3.3 V 14 -12 V 3 Ground 15 Ground
Intel Desktop Board DX38BT Technical Product Specification 52 2.2.2.5 Front Panel Header This section describes the functions of the front panel he
Technical Reference 53 2.2.2.5.2 Reset Switch Header Pins 5 and 7 can be connected to a momentary single pole, single throw (SPST) type switch that
Intel Desktop Board DX38BT Technical Product Specification 54 2.2.2.6 Front Panel USB Headers Figure 13 is a connection diagram for the front panel
Technical Reference 55 2.3 Jumper Block CAUTION Do not move the jumper with the power on. Always turn off the power and unplug the power cord from
Intel Desktop Board DX38BT Technical Product Specification 56 2.4 Mechanical Considerations 2.4.1 Form Factor The board is designed to fit into an
Technical Reference 57 2.5 Electrical Considerations 2.5.1 Power Supply Considerations CAUTION The +5 V standby line from the power supply must be
Intel Desktop Board DX38BT Technical Product Specification 58 2.5.2 Fan Header Current Capability CAUTION The processor fan must be connected to t
Technical Reference 59 CAUTION Ensure that the ambient temperature does not exceed the board’s maximum operating temperature. Failure to do so coul
Intel Desktop Board DX38BT Technical Product Specification vi 2.2.1 Back Panel Connectors ...
Intel Desktop Board DX38BT Technical Product Specification 60 Figure 17 shows the locations of the localized high temperature zones. Item Descripti
Technical Reference 61 2.7 Reliability The Mean Time Between Failures (MTBF) prediction is calculated using component and subassembly random failure
Intel Desktop Board DX38BT Technical Product Specification 62
63 3 Overview of BIOS Features What This Chapter Contains 3.1 Introduction ...
Intel Desktop Board DX38BT Technical Product Specification 64 Table 28 lists the BIOS Setup program menu features. Table 28. BIOS Setup Program Menu
Overview of BIOS Features 65 3.3.2 PCI IDE Support If you select IDE in the BIOS Setup program, the BIOS automatically sets up the PCI IDE connector
Intel Desktop Board DX38BT Technical Product Specification 66 3.5 Legacy USB Support Legacy USB support enables USB devices to be used even when th
Overview of BIOS Features 67 3.6 BIOS Updates The BIOS can be updated using either of the following utilities, which are available on the Intel Worl
Intel Desktop Board DX38BT Technical Product Specification 68 3.7 BIOS Recovery It is unlikely that anything will interrupt a BIOS update; however,
Overview of BIOS Features 69 3.8 Boot Options In the BIOS Setup program, the user can choose to boot from a diskette drive, hard drive, USB drive, U
Contents vii 5.1.4 EMC Regulations ... 85 5.1.5 Product Certification Markings (Boar
Intel Desktop Board DX38BT Technical Product Specification 70 3.9 Adjusting Boot Speed These factors affect system boot speed: • Selecting and con
Overview of BIOS Features 71 3.10 BIOS Security Features The BIOS includes security features that restrict access to the BIOS Setup program and who
Intel Desktop Board DX38BT Technical Product Specification 72
73 4 Error Messages and Beep Codes What This Chapter Contains 4.1 Speaker ...
Intel Desktop Board DX38BT Technical Product Specification 74 4.4 Port 80h POST Codes During the POST, the BIOS generates diagnostic progress codes
Error Messages and Beep Codes 75 Table 36. Port 80h POST Codes POST Code Description of POST Operation Host Processor 10 Power-on initialization o
Intel Desktop Board DX38BT Technical Product Specification 76 Table 36. Port 80h POST Codes (continued) POST Code Description of POST Operation Ke
Error Messages and Beep Codes 77 Table 36. Port 80h POST Codes (continued) POST Code Description of POST Operation DXE Drivers E7 Waiting for user
Intel Desktop Board DX38BT Technical Product Specification 78 Table 37. Typical Port 80h POST Sequence POST Code Description 21 Initializing a chi
79 5 Regulatory Compliance and Battery Disposal Information What This Chapter Contains 5.1 Regulatory Compliance...
Intel Desktop Board DX38BT Technical Product Specification viii 22. States for a Two-Color Power LED...
Intel Desktop Board DX38BT Technical Product Specification 80 5.1.2 European Union Declaration of Conformity Statement We, Intel Corporation, decla
Regulatory Compliance and Battery Disposal Information 81 Español Este producto cumple con las normas del Directivo Europeo 2004/108/EC & 2006/9
Intel Desktop Board DX38BT Technical Product Specification 82 Español Como parte de su compromiso de responsabilidad medioambiental, Intel ha implan
Regulatory Compliance and Battery Disposal Information 83 Russian В качестве части своих обязательств к окружающей среде, в Intel создана программа у
Intel Desktop Board DX38BT Technical Product Specification 84 Table 39. Lead-Free Board Markings Description Mark Lead-Free 2nd Level Interconnect:
Regulatory Compliance and Battery Disposal Information 85 5.1.4 EMC Regulations Desktop Board DX38BT complies with the EMC regulations stated in Tab
Intel Desktop Board DX38BT Technical Product Specification 86 Korean Class B statement translation: this is household equipment that is certified t
Regulatory Compliance and Battery Disposal Information 87 5.2 Battery Disposal Information CAUTION Risk of explosion if the battery is replaced wit
Intel Desktop Board DX38BT Technical Product Specification 88 PRECAUCIÓN Existe peligro de explosión si la pila no se cambia de forma adecuada. U
Regulatory Compliance and Battery Disposal Information 89 AWAS Risiko letupan wujud jika bateri digantikan dengan jenis yang tidak betul. Bateri s
9 1 Product Description What This Chapter Contains 1.1 Overview......
Intel Desktop Board DX38BT Technical Product Specification 90
Comments to this Manuals