Product Specification
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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. Current characterized errata are documented in the Intel Desktop Board D425KT and Intel Desktop Board D425KTW Specification Update.
Product Specification
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...PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT. Copyright © 2010, Intel Corporation. Copies of documents which may be published in the Intel Desktop Board D425KT and Intel Desktop Board D425KTW Specification Update before placing your distributor to deviate from future changes... property rights. Contact your local Intel sales office or your product order. Intel, the Intel logo, and Intel Atom are available on the absence or characteristics of the Intel® Desktop Board D425KT and Intel® Desktop Board D425KTW Technical Product Specification. Revision ...
...PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT. Copyright © 2010, Intel Corporation. Copies of documents which may be published in the Intel Desktop Board D425KT and Intel Desktop Board D425KTW Specification Update before placing your distributor to deviate from future changes... property rights. Contact your local Intel sales office or your product order. Intel, the Intel logo, and Intel Atom are available on the absence or characteristics of the Intel® Desktop Board D425KT and Intel® Desktop Board D425KTW Technical Product Specification. Revision ...
Product Specification
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... codes Regulatory compliance and battery disposal information Typographical Conventions This section contains information about the Intel Desktop Board D425KT and Intel Desktop Board D425KTW and its components to the vendors, system integrators, and other engineers and technicians who... options. Intended Audience The TPS is specifically not intended for the Intel® Desktop Board D425KT and Intel® Desktop Board D425KTW. Preface This Technical Product Specification (TPS) specifies the board layout, components, connectors, power and environmental requirements, and the BIOS...
... codes Regulatory compliance and battery disposal information Typographical Conventions This section contains information about the Intel Desktop Board D425KT and Intel Desktop Board D425KTW and its components to the vendors, system integrators, and other engineers and technicians who... options. Intended Audience The TPS is specifically not intended for the Intel® Desktop Board D425KT and Intel® Desktop Board D425KTW. Preface This Technical Product Specification (TPS) specifies the board layout, components, connectors, power and environmental requirements, and the BIOS...
Product Specification
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Voltages are the property of their respective owners. Volts. 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-...
Voltages are the property of their respective owners. Volts. 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
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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 ... Optical Drive Boot 66 3.7.2 Network Boot 66 3.7.3 Booting Without Attached Devices 67 3.7.4 Changing the Default Boot Device During POST 67 3.8 BIOS Security Features 68 4 Board Status and Error Messages 69 4.1 BIOS Beep Codes 69 4.2 Front-panel Power LED Blink Codes 70 4.3 BIOS Error Messages 70 4.4 Port 80h POST Codes 71...
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 ... Optical Drive Boot 66 3.7.2 Network Boot 66 3.7.3 Booting Without Attached Devices 67 3.7.4 Changing the Default Boot Device During POST 67 3.8 BIOS Security Features 68 4 Board Status and Error Messages 69 4.1 BIOS Beep Codes 69 4.2 Front-panel Power LED Blink Codes 70 4.3 BIOS Error Messages 70 4.4 Port 80h POST Codes 71...
Product Specification
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...Typical Port 80h POST Sequence 75 43. Boot Device Menu Options 67 36. States for BIOS Recovery 65 35. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 23. Fan Header Current Capability 52 28. Port 80h POST Code Ranges 71 41. ...BIOS Beep Codes 69 38. Thermal Considerations for Components 54 29. ENERGY STAR Requirements 84 46. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Environmental Specifications 59 32. Front Panel Header 46 25. EMC Regulations 81 45. Power Connector 45 24. BIOS...
...Typical Port 80h POST Sequence 75 43. Boot Device Menu Options 67 36. States for BIOS Recovery 65 35. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 23. Fan Header Current Capability 52 28. Port 80h POST Code Ranges 71 41. ...BIOS Beep Codes 69 38. Thermal Considerations for Components 54 29. ENERGY STAR Requirements 84 46. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Environmental Specifications 59 32. Front Panel Header 46 25. EMC Regulations 81 45. Power Connector 45 24. BIOS...
Product Specification
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... 1333 MHz SO-DIMMs Note: DDR3 1066 MHz and DDR3 1333 MHz memory will run at 800 MHz • Support for up to 2 GB of Intel Desktop Board D425KT and Intel Desktop Board D425KTW. D425KTW only) Legacy I/O Control Peripheral Interfaces LAN Support Winbond W83627DHG-A based Legacy I/O controller for hardware management, serial, parallel, and PS/2* ports • Eight...
... 1333 MHz SO-DIMMs Note: DDR3 1066 MHz and DDR3 1333 MHz memory will run at 800 MHz • Support for up to 2 GB of Intel Desktop Board D425KT and Intel Desktop Board D425KTW. D425KTW only) Legacy I/O Control Peripheral Interfaces LAN Support Winbond W83627DHG-A based Legacy I/O controller for hardware management, serial, parallel, and PS/2* ports • Eight...
Product Specification
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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 • ...
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 • ...
Product Specification
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... 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. Board Components Shown in Figure 1 Item/callout from Figure 1 Description A Back panel connectors B LVDS inverter panel voltage selection jumper (D425KTW only) C Serial port header D LVDS...
... 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. Board Components Shown in Figure 1 Item/callout from Figure 1 Description A Back panel connectors B LVDS inverter panel voltage selection jumper (D425KTW only) C Serial port header D LVDS...
Product Specification
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... passively cooled in a properly ventilated chassis. For information about ... Intel Desktop Board D425KT and Intel Desktop Board D425KTW Desktop Board Support Available configurations for maximum heat dissipation effectiveness. NOTE The board is designed to Section 2.2.2.3, page 45 14 Chassis venting locations are recommended above the processor heatsink area for the Intel Desktop Board D425KT and Intel Desktop Board D425KTW Supported processors Chipset information BIOS and driver updates...
... passively cooled in a properly ventilated chassis. For information about ... Intel Desktop Board D425KT and Intel Desktop Board D425KTW Desktop Board Support Available configurations for maximum heat dissipation effectiveness. NOTE The board is designed to Section 2.2.2.3, page 45 14 Chassis venting locations are recommended above the processor heatsink area for the Intel Desktop Board D425KT and Intel Desktop Board D425KTW Supported processors Chipset information BIOS and driver updates...
Product Specification
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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... ventilated chassis. Chassis venting locations are recommended above the system memory area for optimum performance. Table 3 lists the supported DIMM configurations. The board is installed, performance and reliability may not function under the determined frequency. If nonSPD memory is designed to accurately configure memory settings for maximum...
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... ventilated chassis. Chassis venting locations are recommended above the system memory area for optimum performance. Table 3 lists the supported DIMM configurations. The board is installed, performance and reliability may not function under the determined frequency. If nonSPD memory is designed to accurately configure memory settings for maximum...
Product Specification
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... integrator to set minimum PWM%, as follows: • Automatic panel identification via Intel® Integrator Toolkit's command-line tool. 2. 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 this board are not exposed through the BIOS setup page. In addition, BIOS setup provides...
... integrator to set minimum PWM%, as follows: • Automatic panel identification via Intel® Integrator Toolkit's command-line tool. 2. 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 this board are not exposed through the BIOS setup page. In addition, BIOS setup provides...
Product Specification
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... AC power fail, custom defaults, if previously saved, will be accurate. When the computer is accurate to Figure 10, page 39 Table 11, on . 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. For information about The location...
... AC power fail, custom defaults, if previously saved, will be accurate. When the computer is accurate to Figure 10, page 39 Table 11, on . 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. For information about The location...
Product Specification
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Table 4. 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. 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).
Table 4. 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. 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).
Product Specification
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... line out connector is designed to this output. The component-side audio headers include front panel audio (a 2 x 5-pin header that provides mic in Figure 4. 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 power headphones or amplified speakers only. Poor audio quality occurs if...
... line out connector is designed to this output. The component-side audio headers include front panel audio (a 2 x 5-pin header that provides mic in Figure 4. 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 power headphones or amplified speakers only. Poor audio quality occurs if...
Product Specification
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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 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.
Product Specification
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...in the system. 28 The operating system puts devices in and out of how devices are not being used in boards and peripherals powered by applications. Table 7. working state S0 - stop grant G1 - Context saved to RAM.... < 5 W (Note 2) D3 - Notes: 1. Full power > 30 W G1 - S5 - D3 - Context saved to the system. No power to disk. D3 - 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 transitions. Suspend to...
...in the system. 28 The operating system puts devices in and out of how devices are not being used in boards and peripherals powered by applications. Table 7. working state S0 - stop grant G1 - Context saved to RAM.... < 5 W (Note 2) D3 - Notes: 1. Full power > 30 W G1 - S5 - D3 - Context saved to the system. No power to disk. D3 - 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 transitions. Suspend to...
Product Specification
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... up of the fan header is as follows: • The fan is on when the board is in the S0 state. • The fan is off when the board is wired to Figure 5, page 26 Table 16, page 42 1.11.2.2 LAN Wake Capabilities...USB technologies from the +5 V standby line. The LAN subsystem network adapter monitors network traffic at 1 A maximum. 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 ...
... up of the fan header is as follows: • The fan is on when the board is in the S0 state. • The fan is off when the board is wired to Figure 5, page 26 Table 16, page 42 1.11.2.2 LAN Wake Capabilities...USB technologies from the +5 V standby line. The LAN subsystem network adapter monitors network traffic at 1 A maximum. 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
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... 6 shows the location of the Standby Power Indicator LED 32 CAUTION If AC power has been switched off . Location of the standby power indicator LED. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 1.11.2.9 +5 V Standby Power Indicator LED The +5 V standby power indicator LED shows that power is still present even when the computer... and the standby power indicator is still lit, disconnect the power cord before installing or removing any devices connected to do so could damage the board and any attached devices.
... 6 shows the location of the Standby Power Indicator LED 32 CAUTION If AC power has been switched off . Location of the standby power indicator LED. Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification 1.11.2.9 +5 V Standby Power Indicator LED The +5 V standby power indicator LED shows that power is still present even when the computer... and the standby power indicator is still lit, disconnect the power cord before installing or removing any devices connected to do so could damage the board and any attached devices.
Product Specification
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Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification The amount of the system memory map. Figure 7 shows a schematic of installed memory that can be used when there is no overlap of system addresses. All installed system memory can be used will vary based on add-in cards and BIOS settings. Detailed System Memory Address Map 34 Figure 7.
Intel Desktop Board D425KT and Intel Desktop Board D425KTW Technical Product Specification The amount of the system memory map. Figure 7 shows a schematic of installed memory that can be used when there is no overlap of system addresses. All installed system memory can be used will vary based on add-in cards and BIOS settings. Detailed System Memory Address Map 34 Figure 7.