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Intel® Desktop Board DG31GL Technical Product Specification March 2008 Order Number: E35969-001US The Intel® Desktop Board DG31GL may contain design defects or errors known as errata that may cause the product to deviate from published specifications. Current characterized errata are documented in the Intel Desktop Board DG31GL Specification Update.
Intel® Desktop Board DG31GL Technical Product Specification March 2008 Order Number: E35969-001US The Intel® Desktop Board DG31GL may contain design defects or errors known as errata that may cause the product to deviate from published specifications. Current characterized errata are documented in the Intel Desktop Board DG31GL Specification Update.
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... OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. Intel Corporation may have an ordering number and are referenced in the Intel Desktop Board DG31GL Specification Update before placing your distributor to this document. Copies of documents which..., or other intellectual property rights. Copyright © 2008, Intel Corporation. Changes to obtain the latest specifications before being incorporated into a revision of Intel Corporation in the United States and other Intel literature, may be published in this document, or other countries...
... OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. Intel Corporation may have an ordering number and are referenced in the Intel Desktop Board DG31GL Specification Update before placing your distributor to this document. Copies of documents which..., or other intellectual property rights. Copyright © 2008, Intel Corporation. Changes to obtain the latest specifications before being incorporated into a revision of Intel Corporation in the United States and other Intel literature, may be published in this document, or other countries...
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...damaging hardware or losing data. CAUTION Cautions are included to important information. # INTEGRATOR'S NOTES Integrator's notes are used in all specifications of information. iii What This Document Contains Chapter 1 2 3 4 5 Description A description of the hardware used on the ...of these symbols and abbreviations appear in this type. Intended Audience The TPS is specifically not intended for the Intel® Desktop Board DG31GL. Preface This Technical Product Specification (TPS) specifies the board layout, components, connectors, power and environmental requirements, ...
...damaging hardware or losing data. CAUTION Cautions are included to important information. # INTEGRATOR'S NOTES Integrator's notes are used in all specifications of information. iii What This Document Contains Chapter 1 2 3 4 5 Description A description of the hardware used on the ...of these symbols and abbreviations appear in this type. Intended Audience The TPS is specifically not intended for the Intel® Desktop Board DG31GL. Preface This Technical Product Specification (TPS) specifies the board layout, components, connectors, power and environmental requirements, ...
Product Specification
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...) Megabytes per second Megabit (1,048,576 bits) Megabits per second An address or data value ending with a lowercase h indicates a hexadecimal value. Volts. Intel Desktop Board DG31GL Technical Product Specification Other Common Notation # GB GB/sec Gbit KB Kbit kbits/sec MB MB/sec Mbit Mbit/sec xxh x.x V * Used after a signal name to...
...) Megabytes per second Megabit (1,048,576 bits) Megabits per second An address or data value ending with a lowercase h indicates a hexadecimal value. Volts. Intel Desktop Board DG31GL Technical Product Specification Other Common Notation # GB GB/sec Gbit KB Kbit kbits/sec MB MB/sec Mbit Mbit/sec xxh x.x V * Used after a signal name to...
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Intel Desktop Board DG31GL Technical Product Specification 2.5 Electrical Considerations 52 2.5.1 Power Supply Considerations 52 2.5.2 Fan Header Current Capability 52 2.5.3 Add-in Board Considerations 53 2.6 Thermal Considerations 53 2.7 Reliability 55 2.8 Environmental 55 3 Overview ...
Intel Desktop Board DG31GL Technical Product Specification 2.5 Electrical Considerations 52 2.5.1 Power Supply Considerations 52 2.5.2 Fan Header Current Capability 52 2.5.3 Add-in Board Considerations 53 2.6 Thermal Considerations 53 2.7 Reliability 55 2.8 Environmental 55 3 Overview ...
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... Headers 49 Figure 13. Fan Header Current Capability 52 Table 25. Thermal Considerations for a Two-Color Power LED 48 Table 22. Desktop Board DG31GL Environmental Specifications 55 Table 27. Contents Figures Figure 1. Back Panel Audio Connector Options 24 Figure 5. Supported Memory Configurations 16 Table 4. Power States and Targeted System Power 30...
... Headers 49 Figure 13. Fan Header Current Capability 52 Table 25. Thermal Considerations for a Two-Color Power LED 48 Table 22. Desktop Board DG31GL Environmental Specifications 55 Table 27. Contents Figures Figure 1. Back Panel Audio Connector Options 24 Figure 5. Supported Memory Configurations 16 Table 4. Power States and Targeted System Power 30...
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Port 80h POST Code Ranges 68 Table 35. Product Certification Markings 80 viii Typical Port 80h POST Sequence 72 Table 37. Lead-Free Board Markings 78 Table 39. BIOS Error Messages 67 Table 34. EMC Regulations 79 Table 40. Beep Codes 67 Table 33. Safety Standards 73 Table 38. Acceptable Drives/Media Types for BIOS Recovery 62 Table 30. Port 80h POST Codes 69 Table 36. Intel Desktop Board DG31GL Technical Product Specification Table 29. Boot Device Menu Options 63 Table 31. Supervisor and User Password Functions 65 Table 32.
Port 80h POST Code Ranges 68 Table 35. Product Certification Markings 80 viii Typical Port 80h POST Sequence 72 Table 37. Lead-Free Board Markings 78 Table 39. BIOS Error Messages 67 Table 34. EMC Regulations 79 Table 40. Beep Codes 67 Table 33. Safety Standards 73 Table 38. Acceptable Drives/Media Types for BIOS Recovery 62 Table 30. Port 80h POST Codes 69 Table 36. Intel Desktop Board DG31GL Technical Product Specification Table 29. Boot Device Menu Options 63 Table 31. Supervisor and User Password Functions 65 Table 32.
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... Specification 1.1 Overview 1.1.1 Feature Summary Table 1 summarizes the major features of : • Intel® 82G31 Graphics and Memory Controller Hub (GMCH) • Intel® 82801GB I/O Controller Hub (ICH7) Audio Video 4-channel (2+2) audio subsystem using the Realtek* ALC268-GR audio codec Intel® Graphics Media Accelerator (Intel...or DDR2 667 MHz DIMMs • Support for up to 4 GB of system memory using DDR2 800 or DDR2 667 DIMMs Intel® G31 Express Chipset, consisting of the Desktop Board DG31GL. Table 1. Feature Summary Form Factor MicroATX (9.60 inches by 8.60...
... Specification 1.1 Overview 1.1.1 Feature Summary Table 1 summarizes the major features of : • Intel® 82G31 Graphics and Memory Controller Hub (GMCH) • Intel® 82801GB I/O Controller Hub (ICH7) Audio Video 4-channel (2+2) audio subsystem using the Realtek* ALC268-GR audio codec Intel® Graphics Media Accelerator (Intel...or DDR2 667 MHz DIMMs • Support for up to 4 GB of system memory using DDR2 800 or DDR2 667 DIMMs Intel® G31 Express Chipset, consisting of the Desktop Board DG31GL. Table 1. Feature Summary Form Factor MicroATX (9.60 inches by 8.60...
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Product Description Table 1. Feature Summary (continued) Instantly Available PC Technology Expansion Capabilities Hardware Monitor Subsystem • Support for PCI* Local Bus Specification Revision 2.3 • Suspend to RAM support • Wake on PCI, RS-232, front panel, PS/2 devices, USB ports, and LAN • Two PCI Conventional bus connectors • Voltage sense to detect out of range power supply voltages • Thermal sense to detect out of range thermal values • Two fan headers • Two fan sense inputs used to monitor fan activity 11
Product Description Table 1. Feature Summary (continued) Instantly Available PC Technology Expansion Capabilities Hardware Monitor Subsystem • Support for PCI* Local Bus Specification Revision 2.3 • Suspend to RAM support • Wake on PCI, RS-232, front panel, PS/2 devices, USB ports, and LAN • Two PCI Conventional bus connectors • Voltage sense to detect out of range power supply voltages • Thermal sense to detect out of range thermal values • Two fan headers • Two fan sense inputs used to monitor fan activity 11
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Figure 1. Intel Desktop Board DG31GL Technical Product Specification 1.1.2 Board Layout Figure 1 shows the location of the major components. Major Board Components Table 2 lists the components identified in Figure 1. 12
Figure 1. Intel Desktop Board DG31GL Technical Product Specification 1.1.2 Board Layout Figure 1 shows the location of the major components. Major Board Components Table 2 lists the components identified in Figure 1. 12
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Figure 2. Intel Desktop Board DG31GL Technical Product Specification 1.1.3 Block Diagram Figure 2 is a block diagram of the major functional areas. Block Diagram 14
Figure 2. Intel Desktop Board DG31GL Technical Product Specification 1.1.3 Block Diagram Figure 2 is a block diagram of the major functional areas. Block Diagram 14
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... panel • The serial port header is designed to support processors with specific changes including (but not limited to Section 2.2.2.3, page 46 15 This board is located near the memory sockets and may be supported in the future. Intel® Desktop Board DG31GL Desktop Board Support Available configurations for the most up...
... panel • The serial port header is designed to support processors with specific changes including (but not limited to Section 2.2.2.3, page 46 15 This board is located near the memory sockets and may be supported in the future. Intel® Desktop Board DG31GL Desktop Board Support Available configurations for the most up...
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Intel Desktop Board DG31GL Technical Product Specification 1.5 System Memory The board has two DIMM sockets and support the following ... about... This allows the BIOS to read the SPD data and program the chipset to : http://support.intel.com/support/motherboards/desktop/sb/ CS-025414.htm 16 Supported Memory Configurations DIMM Type SDRAM Technology Smallest Usable ... only 5-5-5 or 6-6-6 (tCL-tRCD-tRP) NOTE To be fully compliant with all applicable DDR SDRAM memory specifications, the board should be impacted or the DIMMs may be populated with DIMMs that support the Serial Presence Detect...
Intel Desktop Board DG31GL Technical Product Specification 1.5 System Memory The board has two DIMM sockets and support the following ... about... This allows the BIOS to read the SPD data and program the chipset to : http://support.intel.com/support/motherboards/desktop/sb/ CS-025414.htm 16 Supported Memory Configurations DIMM Type SDRAM Technology Smallest Usable ... only 5-5-5 or 6-6-6 (tCL-tRCD-tRP) NOTE To be fully compliant with all applicable DDR SDRAM memory specifications, the board should be impacted or the DIMMs may be populated with DIMMs that support the Serial Presence Detect...
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Memory Channel and DIMM Configuration 18 Figure 3. Intel Desktop Board DG31GL Technical Product Specification Figure 3 illustrates the memory channel and DIMM configuration.
Memory Channel and DIMM Configuration 18 Figure 3. Intel Desktop Board DG31GL Technical Product Specification Figure 3 illustrates the memory channel and DIMM configuration.
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Intel Desktop Board DG31GL Technical Product Specification 1.6.1.2 Dynamic Video Memory Technology (DVMT) DVMT enables enhanced graphics and memory performance through highly efficient memory utilization. DVMT ensures the most efficient use of this ...
Intel Desktop Board DG31GL Technical Product Specification 1.6.1.2 Dynamic Video Memory Technology (DVMT) DVMT enables enhanced graphics and memory performance through highly efficient memory utilization. DVMT ensures the most efficient use of this ...
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... the life of three years. When the voltage drops below a certain level, the BIOS Setup program settings stored in the top PS/2 connector. Intel Desktop Board DG31GL Technical Product Specification 1.7 Real-Time Clock Subsystem A coin-cell battery (CR2032) powers the real-time clock and CMOS memory. Replace the battery with serialized IRQ...
... the life of three years. When the voltage drops below a certain level, the BIOS Setup program settings stored in the top PS/2 connector. Intel Desktop Board DG31GL Technical Product Specification 1.7 Real-Time Clock Subsystem A coin-cell battery (CR2032) powers the real-time clock and CMOS memory. Replace the battery with serialized IRQ...
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... audio connectors Refer to Section 2.2.1, page 41 24 Item A B C Description Line in Line out Mic in Figure 4. Intel Desktop Board DG31GL Technical Product Specification 1.9.3 4-Channel Audio Subsystem The 4-channel audio subsystem includes the following: • Intel 82801GB I/O Controller Hub (ICH7) • Realtek ALC268-GR audio codec • Microphone input that supports a single dynamic...
... audio connectors Refer to Section 2.2.1, page 41 24 Item A B C Description Line in Line out Mic in Figure 4. Intel Desktop Board DG31GL Technical Product Specification 1.9.3 4-Channel Audio Subsystem The 4-channel audio subsystem includes the following: • Intel 82801GB I/O Controller Hub (ICH7) • Realtek ALC268-GR audio codec • Microphone input that supports a single dynamic...
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.../Yellow) Figure 5. Table 5. LAN activity is occurring. 10 Mbits/sec data rate is selected. 100 Mbits/sec data rate is not established. Intel Desktop Board DG31GL Technical Product Specification 1.10.3 RJ-45 LAN Connector with Integrated LEDs Two LEDs are built into the RJ-45 LAN connector (shown in Figure 5 below). LAN...
.../Yellow) Figure 5. Table 5. LAN activity is occurring. 10 Mbits/sec data rate is selected. 100 Mbits/sec data rate is not established. Intel Desktop Board DG31GL Technical Product Specification 1.10.3 RJ-45 LAN Connector with Integrated LEDs Two LEDs are built into the RJ-45 LAN connector (shown in Figure 5 below). LAN...
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...V, +12 V, 3.3 V) to detect levels above or below acceptable values • Thermally monitored closed-loop fan control, for Management (WfM) specification. The board has several hardware management features, including the following: • Fan monitoring and control • Thermal and voltage monitoring 1.11.1 ...the fan speed or switch the fans on or off as needed 1.11.2 Fan Monitoring Fan monitoring can be implemented using Intel® Desktop Utilities or third-party software. Product Description 1.11 Hardware Management Subsystem The hardware management features enable the board...
...V, +12 V, 3.3 V) to detect levels above or below acceptable values • Thermally monitored closed-loop fan control, for Management (WfM) specification. The board has several hardware management features, including the following: • Fan monitoring and control • Thermal and voltage monitoring 1.11.1 ...the fan speed or switch the fans on or off as needed 1.11.2 Fan Monitoring Fan monitoring can be implemented using Intel® Desktop Utilities or third-party software. Product Description 1.11 Hardware Management Subsystem The hardware management features enable the board...
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Thermal Sensors and Fan Headers NOTE The minimum thermal reporting threshold for the GMCH is 66 °C. Intel Desktop Board DG31GL Technical Product Specification 1.11.3 Thermal Monitoring Figure 6 shows the locations of the thermal sensors and fan headers. The GMCH thermal sensor will report 66 °C until the temperature rises above this point. 28 Item A B C D Description Rear chassis fan Thermal diode, located on processor die Processor fan Remote thermal sensor Figure 6.
Thermal Sensors and Fan Headers NOTE The minimum thermal reporting threshold for the GMCH is 66 °C. Intel Desktop Board DG31GL Technical Product Specification 1.11.3 Thermal Monitoring Figure 6 shows the locations of the thermal sensors and fan headers. The GMCH thermal sensor will report 66 °C until the temperature rises above this point. 28 Item A B C D Description Rear chassis fan Thermal diode, located on processor die Processor fan Remote thermal sensor Figure 6.