Product Specification
Page 1
Current characterized errata are documented in the Intel Desktop Board D425KT and Intel Desktop Board D425KTW Specification Update. Intel® Desktop Board D425KT and Intel® Desktop Board D425KTW Technical Product Specification July 2010 Order Number: E98415-001US The Intel® Desktop Board D425KT and Intel® Desktop Board D425KTW 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 D425KT and Intel Desktop Board D425KTW Specification Update. Intel® Desktop Board D425KT and Intel® Desktop Board D425KTW Technical Product Specification July 2010 Order Number: E98415-001US The Intel® Desktop Board D425KT and Intel® Desktop Board D425KTW may contain design defects or errors known as errata that may cause the product to deviate from published specifications.
Product Specification
Page 2
... characteristics of this document, or other intellectual property rights. Contact your local Intel sales office or your product order. Intel Corporation may be published in this document. Current characterized errata are referenced in the Intel Desktop Board D425KT and Intel Desktop Board D425KTW Specification Update before placing your distributor to them. Copies of documents which may...
... characteristics of this document, or other intellectual property rights. Contact your local Intel sales office or your product order. Intel Corporation may be published in this document. Current characterized errata are referenced in the Intel Desktop Board D425KT and Intel Desktop Board D425KTW Specification Update before placing your distributor to them. Copies of documents which may...
Product Specification
Page 3
...audiences. It describes the standard product and available manufacturing options. Intended Audience The TPS is specifically not intended for the Intel® Desktop Board D425KT and Intel® Desktop Board D425KTW. Notes, Cautions, and Warnings NOTE Notes call attention to help ...Conventions This section contains information about the Intel Desktop Board D425KT and Intel Desktop Board D425KTW and its components to provide detailed, technical information about the conventions used in all of this specification. Not all specifications of these symbols and abbreviations appear in...
...audiences. It describes the standard product and available manufacturing options. Intended Audience The TPS is specifically not intended for the Intel® Desktop Board D425KT and Intel® Desktop Board D425KTW. Notes, Cautions, and Warnings NOTE Notes call attention to help ...Conventions This section contains information about the Intel Desktop Board D425KT and Intel Desktop Board D425KTW and its components to provide detailed, technical information about the conventions used in all of this specification. Not all specifications of these symbols and abbreviations appear in...
Product Specification
Page 4
...) 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. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification Other Common Notation # GB GB/s Gbit KB Kbit kbits/s MB MB/s Mbit Mbit/s xxh x.x V * Used after a signal name to indicate third...
...) 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. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification Other Common Notation # GB GB/s Gbit KB Kbit kbits/s MB MB/s Mbit Mbit/s xxh x.x V * Used after a signal name to indicate third...
Product Specification
Page 6
Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 2.7 Power Consumption 57 2.7.1 Minimum Load Configuration 57 2.7.2 Maximum Load Configuration 57 2.8 Reliability 58 2.9 Environmental 59 3 Overview of BIOS Features 61 3.1 Introduction 61 3.2 BIOS Flash Memory ...
Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 2.7 Power Consumption 57 2.7.1 Minimum Load Configuration 57 2.7.2 Maximum Load Configuration 57 2.8 Reliability 58 2.9 Environmental 59 3 Overview of BIOS Features 61 3.1 Introduction 61 3.2 BIOS Flash Memory ...
Product Specification
Page 8
... Front Panel Header 46 25. Front-panel Power LED Blink Codes 70 39. EMC Regulations 81 45. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Environmental Specifications 59 32. BIOS Setup Program Menu Bar 62 33. Boot Device Menu Options 67 36. Supervisor and... User Password Functions 68 37. ENERGY STAR Requirements 84 46. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 23. Power Connector 45 24. States for BIOS Recovery 65 35. BIOS Configuration Jumper Settings 50 27...
... Front Panel Header 46 25. Front-panel Power LED Blink Codes 70 39. EMC Regulations 81 45. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Environmental Specifications 59 32. BIOS Setup Program Menu Bar 62 33. Boot Device Menu Options 67 36. Supervisor and... User Password Functions 68 37. ENERGY STAR Requirements 84 46. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 23. Power Connector 45 24. States for BIOS Recovery 65 35. BIOS Configuration Jumper Settings 50 27...
Product Specification
Page 10
Feature Summary (continued) BIOS • Intel® BIOS (resident in the SPI Flash device) • Support for Advanced Configuration and Power Interface (ACPI), Plug and Play, and SMBIOS Instantly Available • Support for PCI* Local Bus Specification Revision 2.3 PC Technology • Suspend to RAM support • Wake on PCI, PCI Express*, ... of range thermal values • One fan header • One fan sense input used to monitor fan activity • Fan speed control 10 Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification Table 1.
Feature Summary (continued) BIOS • Intel® BIOS (resident in the SPI Flash device) • Support for Advanced Configuration and Power Interface (ACPI), Plug and Play, and SMBIOS Instantly Available • Support for PCI* Local Bus Specification Revision 2.3 PC Technology • Suspend to RAM support • Wake on PCI, PCI Express*, ... of range thermal values • One fan header • One fan sense input used to monitor fan activity • Fan speed control 10 Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification Table 1.
Product Specification
Page 12
...selection jumper (D425KTW only) E LVDS inverter power connector (D425KTW only) F LVDS panel connector (D425KTW only) G Processor core power connector (2 x 2) H Intel Atom processor I Power connector (2 x 12) J SO-DIMM channel A socket, DIMM 0 K SO-DIMM channel A socket, DIMM 1 L Battery M ... Front panel USB header supports Intel Z-U130 USB Solid-State Drive or compatible device (brown) W PCI conventional bus connector X Chassis fan header Y Front panel audio header 12 Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification Table 2.
...selection jumper (D425KTW only) E LVDS inverter power connector (D425KTW only) F LVDS panel connector (D425KTW only) G Processor core power connector (2 x 2) H Intel Atom processor I Power connector (2 x 12) J SO-DIMM channel A socket, DIMM 0 K SO-DIMM channel A socket, DIMM 1 L Battery M ... Front panel USB header supports Intel Z-U130 USB Solid-State Drive or compatible device (brown) W PCI conventional bus connector X Chassis fan header Y Front panel audio header 12 Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification Table 2.
Product Specification
Page 14
.... For information about ... NOTE The board is designed to Section 2.2.2.3, page 45 14 Intel Desktop Board D425KT and Intel Desktop Board D425KTW Desktop Board Support Available configurations for maximum heat dissipation effectiveness. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 1.2 Online Support To find information about Power supply connectors Refer to be passively...
.... For information about ... NOTE The board is designed to Section 2.2.2.3, page 45 14 Intel Desktop Board D425KT and Intel Desktop Board D425KTW Desktop Board Support Available configurations for maximum heat dissipation effectiveness. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 1.2 Online Support To find information about Power supply connectors Refer to be passively...
Product Specification
Page 16
Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 1.4 System Memory The board has two 204-pin DDR3 SO-DIMM sockets and supports the following memory features: • DDR3 SDRAM SO-DIMMs with SO-... program the chipset to single-sided memory modules (containing one row of 85 oC. NOTE To be fully compliant with all applicable DDR3 SDRAM memory specifications, the board should be impacted or the SODIMMs may be populated with gold-plated contacts • Unbuffered, single-sided or double-sided SO-DIMMs •...
Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 1.4 System Memory The board has two 204-pin DDR3 SO-DIMM sockets and supports the following memory features: • DDR3 SDRAM SO-DIMMs with SO-... program the chipset to single-sided memory modules (containing one row of 85 oC. NOTE To be fully compliant with all applicable DDR3 SDRAM memory specifications, the board should be impacted or the SODIMMs may be populated with gold-plated contacts • Unbuffered, single-sided or double-sided SO-DIMMs •...
Product Specification
Page 18
... the video driver is supported as appropriate, according to the 18-byte Detailed Timings Descriptor structure defined by the VESA EDID specification) for LVDS displays (D425KTW only) is loaded. • LVDS Configuration Changes: allows the system integrator to "lock" ...board are not exposed through the BIOS setup page. In addition, BIOS setup provides the following : 1. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 1.5.1.4 Configuration Modes For monitors attached to the VGA port, video modes supported by loading BIOS setup defaults....
... the video driver is supported as appropriate, according to the 18-byte Detailed Timings Descriptor structure defined by the VESA EDID specification) for LVDS displays (D425KTW only) is loaded. • LVDS Configuration Changes: allows the system integrator to "lock" ...board are not exposed through the BIOS setup page. In addition, BIOS setup provides the following : 1. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 1.5.1.4 Configuration Modes For monitors attached to the VGA port, video modes supported by loading BIOS setup defaults....
Product Specification
Page 20
Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 1.6 Real-Time Clock Subsystem A coin-cell battery (CR2032) powers the real-time clock and CMOS memory. Replace the battery with 3.3 VSB applied. NOTE If the ...
Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 1.6 Real-Time Clock Subsystem A coin-cell battery (CR2032) powers the real-time clock and CMOS memory. Replace the battery with 3.3 VSB applied. NOTE If the ...
Product Specification
Page 22
Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 1.8.2 RJ-45 LAN Connector with Integrated LEDs Two LEDs are built into the RJ-45 LAN connector (shown in Figure 3). Figure 3. LAN Connector LED Locations Table 4 describes the LED states when the board is powered up and the 10/100 Mbits/s LAN subsystem is operating. Table 4. LAN Connector LED States LED Color State Activity (A) Green Blinking N/A Off Speed (B) Yellow On Condition LAN activity occurring 10 Mb/s data rate 100 Mb/s data rate 22
Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 1.8.2 RJ-45 LAN Connector with Integrated LEDs Two LEDs are built into the RJ-45 LAN connector (shown in Figure 3). Figure 3. LAN Connector LED Locations Table 4 describes the LED states when the board is powered up and the 10/100 Mbits/s LAN subsystem is operating. Table 4. LAN Connector LED States LED Color State Activity (A) Green Blinking N/A Off Speed (B) Yellow On Condition LAN activity occurring 10 Mb/s data rate 100 Mb/s data rate 22
Product Specification
Page 24
... to Figure 10, page 39 Section 2.2.2.1. page 41 Figure 4. For information about Obtaining audio software and drivers Refer to this output. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 1.9.1 Audio Subsystem Software Audio software and drivers are connected to Section 1.2, page 14 1.9.2 Audio Connectors and Headers The board contains audio... panel audio header and S/PDIF audio header The signal names of the board. Poor audio quality occurs if passive (non-amplified) speakers are available from Intel's World Wide Web site.
... to Figure 10, page 39 Section 2.2.2.1. page 41 Figure 4. For information about Obtaining audio software and drivers Refer to this output. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 1.9.1 Audio Subsystem Software Audio software and drivers are connected to Section 1.2, page 14 1.9.2 Audio Connectors and Headers The board contains audio... panel audio header and S/PDIF audio header The signal names of the board. Poor audio quality occurs if passive (non-amplified) speakers are available from Intel's World Wide Web site.
Product Specification
Page 25
Product Description 1.10 Hardware Management Subsystem The hardware management features enable the board to be compatible with the Wired for Management (WfM) specification. The board has several hardware management features, including the following: • Thermal and voltage monitoring • Chassis intrusion detection 1.10.1 Hardware Monitoring The hardware monitoring ...
Product Description 1.10 Hardware Management Subsystem The hardware management features enable the board to be compatible with the Wired for Management (WfM) specification. The board has several hardware management features, including the following: • Thermal and voltage monitoring • Chassis intrusion detection 1.10.1 Hardware Monitoring The hardware monitoring ...
Product Specification
Page 26
Item A B C Description Chassis fan header Remote thermal sensor Thermal diode, located on the processor die Figure 5. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 1.10.2 Thermal Monitoring Figure 5 shows the locations of the thermal sensors and fan header. Thermal Sensors and Fan Header 26
Item A B C Description Chassis fan header Remote thermal sensor Thermal diode, located on the processor die Figure 5. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 1.10.2 Thermal Monitoring Figure 5 shows the locations of the thermal sensors and fan header. Thermal Sensors and Fan Header 26
Product Specification
Page 28
...S0 - AC power is disconnected from applications and user settings to put the system as a whole into a low-power state. device specification specific. Full power > 30 W G1 - S4 - No power to RAM. Total system power is required. sleeping state S1 - ...saved to disk. Table 7. Context not saved. sleeping state G1 - Suspend to disk. Soft off . Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 1.11.1.1 System States and Power States Under ACPI, the operating system directs all system and device power state...
...S0 - AC power is disconnected from applications and user settings to put the system as a whole into a low-power state. device specification specific. Full power > 30 W G1 - S4 - No power to RAM. Total system power is required. sleeping state S1 - ...saved to disk. Table 7. Context not saved. sleeping state G1 - Suspend to disk. Soft off . Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 1.11.1.1 System States and Power States Under ACPI, the operating system directs all system and device power state...
Product Specification
Page 29
... S5 must include wake after loss of these wake-up the computer... Product Description 1.11.1.2 Wake-up Devices and Events Table 8 lists the devices or specific events that provides full ACPI support. Wake from...
... S5 must include wake after loss of these wake-up the computer... Product Description 1.11.1.2 Wake-up Devices and Events Table 8 lists the devices or specific events that provides full ACPI support. Wake from...
Product Specification
Page 30
... state requires an operating system that provides full ACPI support. 1.11.2.1 Fan Header The function/operation of the computer through a network. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 1.11.2 Hardware Support The board provides several power management hardware features, including: • Power connector • Fan header • LAN wake...
... state requires an operating system that provides full ACPI support. 1.11.2.1 Fan Header The function/operation of the computer through a network. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 1.11.2 Hardware Support The board provides several power management hardware features, including: • Power connector • Fan header • LAN wake...
Product Specification
Page 31
... PC technology requires operating system support and PCI 2.3 compliant add-in an ACPI S4 or S5 state, the only PS/2 activity that also support this specification can participate in power management and can wake the computer from the S3 state. When signaled by a wake-up Support When the WAKE# signal on...
... PC technology requires operating system support and PCI 2.3 compliant add-in an ACPI S4 or S5 state, the only PS/2 activity that also support this specification can participate in power management and can wake the computer from the S3 state. When signaled by a wake-up Support When the WAKE# signal on...