Intel® Desktop Board
DP55SB
Technical Product Specification
September 2009
Order Number: E70714-001US
The Intel® Desktop Board DP55SB 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 DP55SB Specification Update.
Revision History
Revision Revision History Date
-001 First release of the Intel® Desktop Board DP55SB Technical Product
Specification
This product specification applies to only the standard Intel® Desktop Board DP55SB with BIOS
identifier KGIBX10J.86A.
Changes to this specification will be published in the Intel Desktop Board DP55SB Specification
Update before being incorporated into a revision of this document.
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®
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desktop boards are evaluated as Information Technology Equipment (I.T.E.) for use in personal
September 2009
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deviate from published specifications. Current characterized errata are available on request.
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Preface
This Technical Product Specification (TPS) specifies the board layout, components,
connectors, power and environmental requirements, and the BIOS for the
®
Intel
Desktop Board DP55SB.
Intended Audience
The TPS is intended to provide detailed, technical information about the Intel Desktop
Board DP55SB 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 Intel Desktop Board DP55SB
2 A map of the resources of the Intel Desktop 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.
CAUTION
Cautions are included to help you avoid damaging hardware or losing data.
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Intel Desktop Board DP55SB Technical Product Specification
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/s Gigabytes per second
Gb/s Gigabits per second
KB Kilobyte (1024 bytes)
Kbit Kilobit (1024 bits)
kbits/s 1000 bits per second
MB Megabyte (1,048,576 bytes)
MB/s Megabytes per second
Mbit Megabit (1,048,576 bits)
Mbits/s 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.
iv
Contents
1 Product Description
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 ......................................................... 16
1.6 Intel® P55 Express Chipset ............................................................... 18
1.6.1 USB ................................................................................... 18
1.6.2 SATA Interfaces ................................................................... 19
1.7 Discrete SATA Controller .................................................................. 20
1.7.1 eSATA Support .................................................................... 20
1.8 Real-Time Clock Subsystem .............................................................. 20
1.9 Legacy I/O Controller ....................................................................... 21
1.9.1 Consumer Infrared (CIR)....................................................... 21
1.10 Audio Subsystem............................................................................. 22
1.10.1 Audio Subsystem Software .................................................... 22
1.10.2 Audio Connectors and Headers ............................................... 22
1.10.3 8-Channel (7.1) Audio Subsystem........................................... 23
1.11 LAN Subsystem............................................................................... 24
1.11.1 Intel® 82578DC Gigabit Ethernet Controller.............................. 24
1.11.2 LAN Subsystem Software....................................................... 25
1.11.3 RJ-45 LAN Connector with Integrated LEDs .............................. 25
1.12 Bluetooth* Technology Support......................................................... 26
1.13 Hardware Management Subsystem .................................................... 26
1.13.1 Hardware Monitoring and Fan Control...................................... 26
1.13.2 Fan Monitoring..................................................................... 27
1.13.3 Chassis Intrusion and Detection.............................................. 27
1.13.4 Thermal Monitoring .............................................................. 28
1.14 Power Management ......................................................................... 29
1.14.1 ACPI................................................................................... 29
1.14.2 Hardware Support ................................................................ 32
1.15 Onboard Power Button ..................................................................... 37
1.15.1 ENERGY STAR* 4.0 and 5.0, E-Standby, and
ErP Compliance.................................................................... 38
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Intel Desktop Board DP55SB Technical Product Specification
2 Technical Reference
2.1 Memory Resources .......................................................................... 39
2.1.1 Addressable Memory............................................................. 39
2.1.2 Memory Map........................................................................ 41
2.2 Connectors and Headers................................................................... 41
2.2.1 Back Panel Connectors .......................................................... 42
2.2.2 Component-side Connectors and Headers ................................ 43
2.3 Jumper Block .................................................................................. 52
2.4 Mechanical Considerations ................................................................ 54
2.4.1 Form Factor......................................................................... 54
2.5 Electrical Considerations ................................................................... 55
2.5.1 Power Supply Considerations ................................................. 55
2.5.2 Fan Header Current Capability................................................ 56
2.5.3 Add-in Board Considerations .................................................. 56
2.6 Thermal Considerations .................................................................... 57
2.7 Reliability ....................................................................................... 59
2.8 Environmental ................................................................................ 59
3 Overview of BIOS Features
3.1 Introduction ................................................................................... 61
3.2 BIOS Flash Memory Organization ....................................................... 62
3.3 Resource Configuration .................................................................... 62
3.3.1 PCI Autoconfiguration ........................................................... 62
3.4 System Management BIOS (SMBIOS)................................................. 63
3.5 Legacy USB Support ........................................................................ 63
3.6 BIOS Updates ................................................................................. 64
3.6.1 Language Support ................................................................ 64
3.6.2 Custom Splash Screen .......................................................... 65
3.7 BIOS Recovery................................................................................ 65
3.8 Boot Options................................................................................... 66
3.8.1 Optical Drive Boot ................................................................ 66
3.8.2 Network Boot....................................................................... 66
3.8.3 Booting Without Attached Devices........................................... 66
3.8.4 Changing the Default Boot Device During POST ........................ 66
3.9 Adjusting Boot Speed....................................................................... 67
3.9.1 Peripheral Selection and Configuration..................................... 67
3.9.2 BIOS Boot Optimizations ....................................................... 67
3.10 BIOS Security Features .................................................................... 68
3.11 BIOS Performance Features .............................................................. 69
4 Error Messages and Beep Codes
4.1 Speaker ......................................................................................... 71
4.2 BIOS Beep Codes ............................................................................ 71
4.3 Front-panel Power LED Blink Codes .................................................... 72
4.4 BIOS Error Messages ....................................................................... 72
4.5 Port 80h POST Codes ....................................................................... 73
vi
Contents
5 Regulatory Compliance and Battery Disposal Information
5.1 Regulatory Compliance..................................................................... 79
5.1.1 Safety Standards.................................................................. 79
5.1.2 European Union Declaration of Conformity Statement................ 80
5.1.3 Product Ecology Statements................................................... 81
5.1.4 EMC Regulations .................................................................. 85
5.1.5 Product Certification Markings (Board Level)............................. 86
5.2 Battery Disposal Information............................................................. 87
Figures
1. Major Board Components.................................................................. 11
2. Block Diagram ................................................................................ 13
3. Memory Channel and DIMM Configuration........................................... 17
4. Back Panel Audio Connector Options .................................................. 23
5. LAN Connector LED Locations............................................................ 25
6. Thermal Sensors and Fan Headers ..................................................... 28
7. Locations of Indicator LEDs............................................................... 36
8. Location of the Onboard Power Button................................................ 37
9. Detailed System Memory Address Map ............................................... 40
10. Back Panel Connectors ..................................................................... 42
11. Component-side Connectors and Headers ........................................... 43
12. Connection Diagram for Front Panel Header ........................................ 49
13. Connection Diagram for Front Panel USB Headers ................................ 51
14. Connection Diagram for IEEE 1394a Header ........................................ 51
15. Location of the Jumper Block............................................................. 52
16. Board Dimensions ........................................................................... 54
17. Localized High Temperature Zones..................................................... 58
Tables
1. Feature Summary.............................................................................. 9
2. Components Shown in Figure 1 ......................................................... 12
3. Supported Memory Configurations ..................................................... 16
4. LAN Connector LED States................................................................ 25
5. Effects of Pressing the Power Switch .................................................. 29
6. Power States and Targeted System Power........................................... 30
7. Wake-up Devices and Events ............................................................ 31
8. System Memory Map ....................................................................... 41
9. Component-side Connectors and Headers Shown in Figure 11................ 44
10. IEEE 1394a Header.......................................................................... 45
11. Front Panel Audio Header ................................................................. 45
12. SATA Connectors............................................................................. 45
13. S/PDIF Header ................................................................................ 45
14. Chassis Intrusion Header.................................................................. 46
15. Processor, Front and Rear Chassis (4-Pin) Fan Headers ........................ 46
16. Processor Core Power Connector........................................................ 47
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Intel Desktop Board DP55SB Technical Product Specification
17. Main Power Connector...................................................................... 48
18. Front Panel Header .......................................................................... 49
19. States for a One-Color Power LED...................................................... 50
20. States for a Two-Color Power LED...................................................... 50
21. BIOS Setup Configuration Jumper Settings.......................................... 53
22. Recommended Power Supply Current Values ....................................... 55
23. Fan Header Current Capability........................................................... 56
24. Thermal Considerations for Components ............................................. 58
25. Environmental Specifications............................................................. 59
26. BIOS Setup Program Menu Bar.......................................................... 62
27. BIOS Setup Program Function Keys.................................................... 62
28. Acceptable Drives/Media Types for BIOS Recovery ............................... 65
29. Boot Device Menu Options ................................................................ 66
30. Supervisor and User Password Functions............................................. 68
31. BIOS Beep Codes ............................................................................ 71
32. Front-panel Power LED Blink Codes.................................................... 72
33. BIOS Error Messages ....................................................................... 72
34. Port 80h POST Code Ranges.............................................................. 73
35. Port 80h POST Codes ....................................................................... 74
36. Typical Port 80h POST Sequence........................................................ 77
37. Safety Standards............................................................................. 79
38. Lead-Free Board Markings ................................................................ 84
39. EMC Regulations ............................................................................. 85
40. Product Certification Markings ........................................................... 86
viii
1 Product Description
1.1 Overview
1.1.1 Feature Summary
Table 1 summarizes the major features of the board.
Table 1. Feature Summary
Form Factor
Processor
Memory
Chipset
Audio Intel® High Definition Audio subsystem using the Realtek* ALC889 audio codec
Legacy I/O Control Nuvoton* legacy I/O controller for Consumer Infrared (CIR)
Peripheral
Interfaces
Wireless Interface
BIOS
Instantly Available
PC Technology
MicroATX (9.60 inches by 9.60 inches [243.84 millimeters by
243.84 millimeters])
®
• Intel
• Four 240-pin DDR3 SDRAM Dual Inline Memory Module (DIMM) sockets
• Support for DDR3 1600 MHz, DDR3 1333 MHz, and DDR3 1066 MHz DIMMs
• Support for 1 Gb and 2 Gb memory technology
• Support for up to 16 GB of system memory with four DIMMs using 2 Gb
• Support for non-ECC memory
• Support for 1.35 V low voltage JEDEC memory
Intel
Hub (PCH)
• Fourteen USB 2.0 ports:
• Eight internal Serial ATA (SATA) 3.0 Gb/s interfaces:
• One back panel External Serial ATA (eSATA) 3.0 Gb/s ports (red) through a
• Two IEEE 1394a ports:
• Onboard Bluetooth module with a connector for an external antenna
• Intel
• Support for Advanced Configuration and Power Interface (ACPI), Plug and Play,
• Support for PCI* Local Bus Specification Revision 2.2
• Support for PCI Express* Revision 2.0
• Suspend to RAM support
• Wake on PCI, PCI Express, LAN, front panel, CIR, and USB ports
Core™ i7 and Intel® Core™ i5 processors in an LGA1156 socket:
― 1 x16 PCIe 2.0 Graphics interface (operates in x8 mode when second slot
is populated)
― 1 x8 PCIe 2.0 Graphics interface
― Two DDR3 memory channels
memory technology
®
P55 Express Chipset consisting of the Intel
― Eight ports are implemented with stacked back panel connectors
― Two internal headers support four additional ports
― One vertical connector
― One port used to connect the onboard Bluetooth* Module
― Six interfaces through Intel P55 PCH with RAID support (black)
― Two interfaces through a discrete Marvell* controller 88E6145 (blue)
discrete Marvell controller
― One port via a back panel connector
― One port via a front panel header (blue)
®
BIOS resident in the SPI Flash device
and SMBIOS
®
P55 Platform Controller
continued
9
Intel Desktop Board DP55SB Technical Product Specification
Table 1. Feature Summary (continued)
LAN Support
Expansion
Capabilities
Hardware Monitor
Subsystem
Gigabit (10/100/1000 Mbits/s) LAN subsystem using the Intel
Ethernet Controller
• One PCI Express 2.0 x16 (x8 when the PCI Express x8 connector is used) bus
add-in card connector (blue)
• One PCI Express 2.0 x8 bus add-in card connector (blue)
• Two PCI Express x1 bus add-in card connectors from the PCH (black)
• Hardware monitoring and fan control ASIC Heceta 6P
• Voltage sense to detect out of range power supply voltages
• Thermal sense to detect out of range thermal values
• Three fan headers using PWM control
• Two fan sense inputs used to monitor fan activity
• Fan speed control using voltage control for 4-pin fan headers (processor and
front and rear chassis) with selectable support in BIOS for 3 wire fans
• Support for Platform Environmental Control Interface (PECI)
®
82578DC Gigabit
10
Product Description
1.1.2 Board Layout
Figure 1 shows the location of the major components on Intel Desktop Board DP55SB.
Figure 1. Major Board Components
Table 2 lists the components identified in Figure 1.
11
Intel Desktop Board DP55SB Technical Product Specification
Table 2. Components Shown in Figure 1
Item/callout
from Figure 1 Description
A Auxiliary PCI Express graphics power connector (SATA-style)
B PCI Express 2.0 x8 connector
C Front panel audio header
D S/PDIF header
E PCI Express 2.0 x1 connector
F Rear chassis fan header
G PCI Express 2.0 x1 connector
H PCI Express 2.0 x16 connector
I Battery
J Back panel connectors
K Vertical USB connector
L Processor core power connector (2 x 4)
M Processor fan header
N Processor LED (red)
O Voltage regulator LED (red)
P Processor socket
Q POST code LED display
R DIMM Channel A sockets (2)
S DIMM Channel B sockets (2)
T Onboard power button
U Standby power indicator LED (green)
V Main power connector (2 x 12)
W SATA drive LED (blue)
X Front panel header
Y Back panel CIR emitter (output) header
Z Front panel CIR receiver (input) header
AA Alternate front panel power LED header
BB Front chassis fan header
CC USB 2.0 headers
DD IEEE 1394a front panel header
EE Intel P55 Platform Controller Hub (PCH)
FF BIOS configuration jumper block
GG SATA connectors
HH Onboard Bluetooth module with external antenna
II Chassis intrusion header
JJ Speaker
12
1.1.3 Block Diagram
Figure 2 is a block diagram of the major functional areas of the board.
Product Description
Figure 2. Block Diagram
13
Intel Desktop Board DP55SB Technical Product Specification
1.2 Legacy Considerations
This board differs from other Intel Desktop Board products, with specific changes
including (but not limited to) the following:
• No parallel port connector
• No floppy drive connector
• No serial port connector or header
• No PS/2 connectors
1.3 Online Support
To find information about… Visit this World Wide Web site:
Intel Desktop Board DP55SB http://www.intel.com/products/motherboard/DP55SB/index.htm
Desktop Board Support http://support.intel.com/support/motherboards/desktop
Available configurations for the Intel
Desktop Board DP55SB
Supported processors http://processormatch.intel.com
Chipset information http://www.intel.com/products/desktop/chipsets/index.htm
BIOS and driver updates http://downloadcenter.intel.com
Tested memory http://support.intel.com/support/motherboards/desktop/sb/CS-
Integration information http://www.intel.com/support/go/buildit
http://www.intel.com/products/motherboard/DP55SB/index.htm
025414.htm
1.4 Processor
The board is designed to support the Intel Core i7 and Intel Core i5 processors in an
LGA1156 socket
Other processors may be supported in the future. This board is designed to support
processors with a maximum wattage of 95 W with margin to allow for greater than
130 W. The processors listed above are only supported when falling within the
wattage requirements of the Intel Desktop Board DP55SB. See the Intel web site
listed below for the most up-to-date list of supported processors.
For information about… Refer to:
Supported processors http://processormatch.intel.com
CAUTION
Use only the processors listed on the web site above. Use of unsupported processors
can damage the board, the processor, and the power supply.
NOTE
This board has specific requirements for providing power to the processor. Refer to
Section 2.5.1 on page 55 for information on power supply requirements for this board.
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