Intel BLKDQ45EK User manual

September 2008
Order Number: E42786-001US
The Intel®Desktop Board DQ45EK 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 DQ45EK Specification Update.
Intel® Desktop Board
DQ45EK
Technical Product Specification

Revision History
Revision Revision History Date
-001 First release of the Intel®Desktop Board DQ45EK Technical Product
Specification.
September 2008
This product specification applies to only the standard Intel®Desktop Board DQ45EK with BIOS
identifier CBQ4510H.86A.
Changes to this specification will be published in the Intel Desktop Board DQ45EK Specification
Update before being incorporated into a revision of this document.
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Copyright © 2008, Intel Corporation. All rights reserved.

iii
Preface
This Technical Product Specification (TPS) specifies the board layout, components,
connectors, power and environmental requirements, and the BIOS for the Intel®
Desktop Board DQ45EK. It describes the standard product and available
manufacturing options.
Intended Audience
The TPS is intended to provide detailed, technical information about the Intel Desktop
Board DQ45EK and its components to the vendors, system integrators, and other
engineers and technicians who need this level of information. It is specifically not
intended for general audiences.
What This Document Contains
Chapter Description
1 A description of the hardware used on the board
2 A map of the resources of the board
3 The features supported by the BIOS Setup program
4 A description of the BIOS error messages, beep codes, and POST codes
5 Regulatory compliance and battery disposal information
Typographical Conventions
This section contains information about the conventions used in this specification. Not
all of these symbols and abbreviations appear in all specifications of this type.
Notes, Cautions, and Warnings

NOTE
Notes call attention to important information.
#
INTEGRATOR’S NOTES
Integrator’s notes are used to call attention to information that may be useful to
system integrators.
CAUTION
Cautions are included to help you avoid damaging hardware or losing data.

Intel Desktop Board DQ45EK Technical Product Specification
iv
Other Common Notation
# Used after a signal name to identify an active-low signal (such as USBP0#)
GB Gigabyte (1,073,741,824 bytes)
GB/sec Gigabytes per second
Gbit Gigabit (1,073,741,824 bits)
KB Kilobyte (1024 bytes)
Kbit Kilobit (1024 bits)
kbits/sec 1000 bits per second
MB Megabyte (1,048,576 bytes)
MB/sec Megabytes per second
Mbit Megabit (1,048,576 bits)
Mbit/sec Megabits per second
xxh An address or data value ending with a lowercase h indicates a hexadecimal value.
x.x V Volts. Voltages are DC unless otherwise specified.
* This symbol is used to indicate third-party brands and names that are the property of their
respective owners.

v
Contents
1Product Description .............................................................. 9
1.1 Overview.......................................................................................... 9
1.1.1 Feature Summary .................................................................. 9
1.1.2 Board Layout ....................................................................... 11
1.1.3 Block Diagram ..................................................................... 13
1.2 Legacy Considerations...................................................................... 14
1.3 Online Support................................................................................ 14
1.4 Processor ....................................................................................... 14
1.5 System Memory .............................................................................. 15
1.5.1 Memory Configurations ......................................................... 17
1.6 Intel®Q45 Express Chipset.............................................................. 19
1.6.1 Intel Q45 Graphics Subsystem ............................................... 19
1.6.2 USB ................................................................................... 21
1.6.3 Serial ATA Interfaces ............................................................ 22
1.7 Real-Time Clock Subsystem .............................................................. 23
1.8 Legacy I/O Controller....................................................................... 24
1.8.1 Serial Port ........................................................................... 24
1.9 Audio Subsystem............................................................................. 25
1.9.1 Audio Subsystem Software .................................................... 26
1.9.2 Audio Connectors and Headers ............................................... 26
1.10 LAN Subsystem............................................................................... 27
1.10.1 Intel®82567LM Gigabit Ethernet Controller.............................. 27
1.10.2 LAN Subsystem Software....................................................... 28
1.10.3 RJ-45 LAN Connector with Integrated LEDs .............................. 28
1.11 Intel®Active Management Technology (Intel®AMT) ............................ 29
1.11.1 Intel AMT Features ............................................................... 29
1.11.2 Intel AMT Software and Drivers .............................................. 31
1.12 Intel®Virtualization Technology (Intel®VT)......................................... 32
1.13 Intel®Trusted Execution Technology (Intel®TXT) ............................... 33
1.14 Intel®Trusted Platform Module (Intel®TPM)........................................ 34
1.15 Hardware Management Subsystem .................................................... 34
1.15.1 Hardware Monitoring and Fan Control...................................... 34
1.15.2 Fan Monitoring..................................................................... 35
1.15.3 Chassis Intrusion and Detection.............................................. 35
1.15.4 Thermal Monitoring .............................................................. 36
1.16 Power Management ......................................................................... 37
1.16.1 ACPI................................................................................... 37
1.16.2 Hardware Support ................................................................ 40
1.16.3 ENERGY STAR* .................................................................... 44
2Technical Reference............................................................ 45
2.1 Memory Map................................................................................... 45
2.1.1 Addressable Memory............................................................. 45

Intel Desktop Board DQ45EK Technical Product Specification
vi
2.2 Connectors and Headers................................................................... 48
2.2.1 Back Panel Connectors .......................................................... 49
2.2.2 Component-side Connectors and Headers ................................ 50
2.3 Jumper Block .................................................................................. 58
2.4 Mechanical Considerations ................................................................ 60
2.4.1 Form Factor......................................................................... 60
2.5 Electrical Considerations................................................................... 61
2.5.1 Power Supply Considerations ................................................. 61
2.5.2 Fan Header Current Capability................................................ 61
2.5.3 Add-in Board Considerations .................................................. 62
2.6 Thermal Considerations.................................................................... 62
2.7 Reliability ....................................................................................... 64
2.8 Environmental ................................................................................ 64
3Overview of BIOS Features ................................................. 65
3.1 Introduction ................................................................................... 65
3.2 BIOS Flash Memory Organization....................................................... 66
3.3 Resource Configuration .................................................................... 66
3.3.1 PCI* Autoconfiguration.......................................................... 66
3.4 System Management BIOS (SMBIOS)................................................. 67
3.5 Legacy USB Support ........................................................................ 68
3.6 BIOS Updates ................................................................................. 69
3.6.1 Language Support ................................................................ 69
3.6.2 Custom Splash Screen .......................................................... 69
3.7 BIOS Recovery................................................................................ 70
3.8 Boot Options................................................................................... 71
3.8.1 CD-ROM Boot ...................................................................... 71
3.8.2 Network Boot....................................................................... 71
3.8.3 Booting Without Attached Devices........................................... 71
3.8.4 Changing the Default Boot Device During POST ........................ 71
3.9 Adjusting Boot Speed....................................................................... 72
3.9.1 Peripheral Selection and Configuration..................................... 72
3.9.2 BIOS Boot Optimizations ....................................................... 72
3.10 BIOS Security Features .................................................................... 73
4Error Messages and Beep Codes ......................................... 75
4.1 Speaker ......................................................................................... 75
4.2 BIOS Beep Codes ............................................................................ 75
4.3 BIOS Error Messages ....................................................................... 75
4.4 Port 80h POST Codes ....................................................................... 76
5Regulatory Compliance and Battery Disposal Information .. 81
5.1 Regulatory Compliance..................................................................... 81
5.1.1 Safety Standards.................................................................. 81
5.1.2 European Union Declaration of Conformity Statement................ 82
5.1.3 Product Ecology Statements................................................... 83
5.1.4 EMC Regulations .................................................................. 87
5.1.5 Product Certification Markings (Board Level)............................. 88

Contents
vii
5.2 Battery Disposal Information............................................................. 89
Figures
Figure 1. Major Board Components............................................................... 11
Figure 2. Block Diagram.............................................................................. 13
Figure 3. Memory Channel and DIMM Configuration ........................................ 18
Figure 4. Back Panel Audio Connector Options................................................ 26
Figure 5. LAN Connector LED Locations ......................................................... 28
Figure 6. Thermal Sensors and Fan Headers .................................................. 36
Figure 7. Location of the Standby Power Indicator LED .................................... 44
Figure 8. Detailed System Memory Address Map............................................. 46
Figure 9. Back Panel Connectors .................................................................. 49
Figure 10. Component-side Connectors and Headers....................................... 50
Figure 11. Connection Diagram for Front Panel Header.................................... 55
Figure 12. Connection Diagram for Front Panel USB Headers............................ 57
Figure 13. Location of the Jumper Block ........................................................ 58
Figure 14. Board Dimensions....................................................................... 60
Figure 15. Localized High Temperature Zones ................................................ 63
Tables
Table 1. Feature Summary............................................................................ 9
Table 2. Board Components Shown in Figure 1............................................... 12
Table 3. Supported Memory Configurations.................................................... 16
Table 4. Audio Jack Retasking Support.......................................................... 25
Table 5. LAN Connector LED States .............................................................. 28
Table 6. Effects of Pressing the Power Switch................................................. 37
Table 7. Power States and Targeted System Power......................................... 38
Table 8. Wake-up Devices and Events........................................................... 39
Table 9. System Memory Map...................................................................... 47
Table 10. Component-side Connectors and Headers Shown in Figure 10 ............ 51
Table 11. Front Panel Audio Header for HD Audio ........................................... 52
Table 12. Front Panel Audio Header for AC ’97 Audio....................................... 52
Table 13. Serial ATA Connectors .................................................................. 52
Table 14. Serial Port Header........................................................................ 52
Table 15. Chassis Intrusion Header .............................................................. 52
Table 16. Chassis (3-Pin) Fan Header ........................................................... 53
Table 17. Processor (4-Pin) Fan Header......................................................... 53
Table 18. Auxiliary Front Panel Power/Sleep LED Header ................................. 53
Table 19. Processor Core Power Connector .................................................... 54
Table 20. Main Power Connector .................................................................. 54
Table 21. Front Panel Header....................................................................... 55
Table 22. States for a One-Color Power LED .................................................. 56
Table 23. States for a Two-Color Power LED .................................................. 56
Table 24. BIOS Setup Configuration Jumper Settings ...................................... 59
Table 25. Recommended Power Supply Current Values.................................... 61

Intel Desktop Board DQ45EK Technical Product Specification
viii
Table 26. Fan Header Current Capability ....................................................... 61
Table 27. Thermal Considerations for Components.......................................... 63
Table 28. Intel®Desktop Board DQ45EK Environmental Specifications............... 64
Table 29. BIOS Setup Program Menu Bar ...................................................... 66
Table 30. BIOS Setup Program Function Keys ................................................ 66
Table 31. Acceptable Drives/Media Types for BIOS Recovery............................ 70
Table 32. Boot Device Menu Options............................................................. 71
Table 33. Supervisor and User Password Functions ......................................... 73
Table 34. Beep Codes................................................................................. 75
Table 35. BIOS Error Messages.................................................................... 75
Table 36. Port 80h POST Code Ranges .......................................................... 76
Table 37. Port 80h POST Codes.................................................................... 77
Table 38. Typical Port 80h POST Sequence .................................................... 80
Table 39. Safety Standards ......................................................................... 81
Table 40. Lead-Free Board Markings............................................................. 86
Table 41. EMC Regulations .......................................................................... 87
Table 42. Product Certification Markings........................................................ 88

9
1Product Description
1.1 Overview
1.1.1 Feature Summary
Table 1 summarizes the major features of the Intel Desktop Board DQ45EK.
Table 1. Feature Summary
Form Factor Mini-ITX (6.70 inches by 6.70 inches [170.18 millimeters by 170.18 millimeters])
Processor Support for the following:
•Intel®Core™2 Quad processor (65 W) in an LGA775 socket
•Intel®Core™2 Duo processor in an LGA775 socket
•Intel®Pentium®Dual-Core processor in an LGA775 socket
•Intel®Celeron®Dual-Core processor in an LGA775 socket
•Intel®Celeron®processor Sequence 400 in an LGA775 socket
Memory •Two 240-pin DDR2 SDRAM Dual Inline Memory Module (DIMM) sockets
•Support for DDR2 800 MHz or DDR2 667 MHz DIMMs
•Support for up to 4 GB of system memory using DDR2 800 MHz or DDR2
667 MHz DIMMs
Chipset Intel®Q45 Express Chipset, consisting of:
•Intel®82Q45 Graphics and Memory Controller Hub (GMCH)
•Intel®82801JDO I/O Controller Hub (ICH10DO)
Audio 5.1 channel audio subsystem using the ADI AD1882 high definition audio codec
Video Intel® Graphics Media Accelerator 4500 (Intel®GMA 4500) onboard graphics
subsystem
Legacy I/O Control Legacy I/O controller for serial port header
Peripheral
Interfaces
•Ten USB 2.0 ports
•Five Serial ATA (3 Gbps) interfaces, including one red-colored external Serial
ATA (eSATA) interface on the back panel
•One serial port header (may require specialized chassis or cable for use)
LAN Support Gigabit (10/100/1000 Mbits/sec) LAN subsystem using the Intel®82567LM
Gigabit Ethernet Controller
BIOS •Intel®BIOS (resident in the SPI Flash device)
•Support for Advanced Configuration and Power Interface (ACPI), Plug and Play,
and SMBIOS
continued

Intel Desktop Board DQ45EK Technical Product Specification
10
Table 1. Feature Summary (continued)
Instantly Available
PC Technology
•Support for PCI Express* Revision 1.0a
•Suspend to RAM support
•Wake on PCI, RS-232, front panel, USB ports, LAN, and CIR
Expansion
Capabilities
•One PCI Express x1 bus add-in card connector
Hardware Monitor
Subsystem
•Intel®Quiet System Technology implemented through the Intel®Management
Engine (Intel®ME) in ICH10DO
•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