Intel DB75EN Specification Download

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Intel Desktop Board DB75EN Technical Product Specification

6. LAN Connector LED States ................................................................. 28

7. Intel ME “M” State LED Behavior ........................................................ 33

8. Effects of Pressing the Power Switch ................................................... 34

9. Power States and Targeted System Power ........................................... 35

10. Wake-up Devices and Events ............................................................. 36

11. System Memory Map......................................................................... 43

12. Component-side Connectors and Headers Shown in Figure 11 ................ 46

13. Serial Port Header ............................................................................ 47

14. Front Panel Audio Header for Intel HD Audio ........................................ 47

15. Front Panel Audio Header for AC ’97 Audio ........................................... 47

16. Front Panel USB 2.0 Headers ............................................................. 47

17. Front Panel USB 3.0 Connector ........................................................... 48

18. SATA Connectors .............................................................................. 48

19. S/PDIF Header ................................................................................. 48

20. Chassis Intrusion Header ................................................................... 49

21. Processor, Front, and Rear Chassis (4-Pin) Fan Headers ....................... 49

22. LPC Debug Header ............................................................................ 49

23. TPM Header ..................................................................................... 49

24. Processor Core Power Connector ........................................................ 51

25. Main Power Connector ....................................................................... 51

26. Front Panel Header ........................................................................... 52

27. States for a One-Color Power LED ....................................................... 53

28. States for a Two-Color Power LED....................................................... 53

29. Alternate Front Panel Power/Sleep LED Header..................................... 53

30. BIOS Setup Configuration Jumper Settings .......................................... 55

31. Intel MEBX Reset Header Signals ........................................................ 56

32. Recommended Power Supply Current Values (High Power) .................... 58

33. Recommended Power Supply Current Values (Low Power) ..................... 58

34. Fan Header Current Capability ............................................................ 59

35. Thermal Considerations for Components .............................................. 61

36. Tcontrol Values for Components ......................................................... 61

37. Environmental Specifications .............................................................. 62

38. BIOS Setup Program Menu Bar ........................................................... 64

39. BIOS Setup Program Function Keys .................................................... 64

40. Acceptable Drives/Media Types for BIOS Recovery ................................ 67

41. Boot Device Menu Options ................................................................. 68

42. Supervisor and User Password Functions ............................................. 70

43. BIOS Beep Codes ............................................................................. 73

44. Front-panel Power LED Blink Codes ..................................................... 74

45. BIOS Error Messages ........................................................................ 74

46. Port 80h POST Code Ranges .............................................................. 75

47. Port 80h POST Codes ........................................................................ 76

48. Typical Port 80h POST Sequence ........................................................ 80

49. Safety Standards .............................................................................. 81

50. EMC Regulations ............................................................................... 87

51. Regulatory Compliance Marks ............................................................ 90

Summary of Contents for DB75EN

Page 1: ...art Number G54940 002 The Intel Desktop Board DB75EN 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 DB75EN Specification Update ...

Page 2: ...or embedded non PC applications or other environments such as medical industrial alarm systems test equipment etc may not be supported without further evaluation by Intel Intel Corporation may have patents or pending patent applications trademarks copyrights or other intellectual property rights that relate to the presented subject matter The furnishing of documents and other materials and informa...

Page 3: ...pset A1 SLJ85 Specification Changes or Clarifications Table 1 indicates the Specification Changes or Specification Clarifications that apply to the Intel Desktop Board DB75EN Table 1 Specification Changes or Clarifications Date Type of Change Description of Changes or Clarifications June 2012 Spec Clarification Removed references to RAID support and replaced with SATA ACHI support Errata Current c...

Page 4: ...Intel Desktop Board DB75EN Technical Product Specification iv ...

Page 5: ...cument Contains Chapter Description 1 A description of the hardware used on Intel Desktop Board DB75EN 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 th...

Page 6: ...ilobyte 1024 bytes Kb Kilobit 1024 bits kb s 1000 bits per second MB Megabyte 1 048 576 bytes MB s Megabytes per second Mb Megabit 1 048 576 bits Mb s Megabits per second TDP Thermal Design Power 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 tha...

Page 7: ...nterfaces 22 1 5 3 USB 23 1 5 4 SATA Interfaces 23 1 6 Real Time Clock Subsystem 24 1 7 Legacy I O Controller 24 1 8 Audio Subsystem 25 1 8 1 Audio Subsystem Software 25 1 8 2 Audio Connectors and Headers 26 1 9 LAN Subsystem 27 1 9 1 Intel 82579V Gigabit Ethernet Controller 27 1 9 2 LAN Subsystem Software 28 1 9 3 RJ 45 LAN Connector with Integrated LEDs 28 1 10 Hardware Management Subsystem 29 1...

Page 8: ...erations 58 2 6 2 Power Supervisor 59 2 6 3 Fan Header Current Capability 59 2 6 4 Add in Board Considerations 59 2 7 Thermal Considerations 59 2 8 Reliability 62 2 9 Environmental 62 3 Overview of BIOS Features 3 1 Introduction 63 3 2 BIOS Flash Memory Organization 64 3 3 Resource Configuration 64 3 3 1 PCI Express Autoconfiguration 64 3 4 System Management BIOS SMBIOS 65 3 5 Legacy USB Support 6...

Page 9: ...ock Diagram 15 3 Memory Channel and DIMM Configuration 21 4 Back Panel Audio Connectors 26 5 LAN Connector LED Locations 28 6 Thermal Sensors and Fan Headers 30 7 Location of the Intel ME M State LED 33 8 Location of the Standby Power LED 40 9 Detailed System Memory Address Map 42 10 Back Panel Connectors 44 11 Component side Connectors and Headers 45 12 Connection Diagram for Front Panel Header 5...

Page 10: ...ront Panel Header 52 27 States for a One Color Power LED 53 28 States for a Two Color Power LED 53 29 Alternate Front Panel Power Sleep LED Header 53 30 BIOS Setup Configuration Jumper Settings 55 31 Intel MEBX Reset Header Signals 56 32 Recommended Power Supply Current Values High Power 58 33 Recommended Power Supply Current Values Low Power 58 34 Fan Header Current Capability 59 35 Thermal Consi...

Page 11: ...ets Support for DDR3 1600 MHz DDR3 1333 MHz and DDR3 1066 MHz DIMMs Support for 1 Gb 2 Gb and 4 Gb memory technology Support for up to 32 GB of system memory with four DIMMs using 4 Gb memory technology Support for non ECC memory Support for 1 5 V standard voltage and 1 35 V low voltage JEDEC memory Support for XMP memory Note DDR3 1600 MHz DIMMs are only supported by 3rd generation Intel Core pro...

Page 12: ...ntional PCI bus add in card connectors from the PCH Note PCI Express 3 0 is only supported by 3rd generation Intel Core processor family processors BIOS Intel BIOS resident in the SPI Flash device Support for Advanced Configuration and Power Interface ACPI Plug and Play and SMBIOS Instantly Available PC Technology Support for PCI Express Revision 3 0 Suspend to RAM support Wake on PCI PCI Express ...

Page 13: ...Product Description 13 1 1 2 Board Layout Figure 1 shows the location of the major components on Intel Desktop Board DB75EN Figure 1 Major Board Components ...

Page 14: ...M DIMM 2 Channel B DIMM 1 N Front chassis fan header O Chassis intrusion header P Low Pin Count LPC Debug header Q Trusted Platform Module TPM header R Main power connector 2 x 12 S Intel Management Engine BIOS Extension Intel MEBX Reset header T Battery U Piezoelectric speaker V SATA 6 0 Gb s connector blue W eSATA 3 0 Gb s connector red X Alternate front panel power sleep LED header Y Front pane...

Page 15: ...Product Description 15 1 1 3 Block Diagram Figure 2 is a block diagram of the major functional areas of the board Figure 2 Block Diagram ...

Page 16: ...t 1 3 Processor The board supports 3rd generation Intel Core processor family and 2nd generation Intel Core processor family processors Other processors may be supported in the future This board supports processors with a maximum wattage of 95 W Thermal Design Power TDP The processors listed above are only supported when falling within the wattage requirements of Intel Desktop Board DB75EN See the...

Page 17: ...ontroller features the following 3D Features DirectX 11 2nd generation Intel Core processor family processors support CS4 0 only support OpenGL 3 0 support Shader Model 4 0 Video High Definition content at up to 1080p resolution Hardware accelerated MPEG 2 VC 1 WMV and H 264 AVC Hi Definition video formats Intel HD Graphics with Advanced Hardware Video Transcoding Intel Quick Sync Video Note Intel...

Page 18: ...is 16 GB s in each direction simultaneously for a total bandwidth of 32 GB s PCI Express 2 x with a raw bit rate of 5 0 GT s results in an effective bandwidth of 500 MB s each direction per lane The maximum theoretical bandwidth of the x16 interface is 8 GB s in each direction simultaneously for a total bandwidth of 16 GB s PCI Express 1 x with a raw bit rate of 2 5 GT s results in an effective ba...

Page 19: ...t for memory speeds of 1600 MHz or lower NOTE To be fully compliant with all applicable DDR SDRAM memory specifications the board should be populated with DIMMs that support the Serial Presence Detect SPD data structure This allows the BIOS to read the SPD data and program the chipset to accurately configure memory settings for optimum performance If non SPD memory is installed the BIOS will attem...

Page 20: ...Single channel Asymmetric mode This mode is equivalent to single channel bandwidth operation for real world applications This mode is used when only a single DIMM is installed or the memory capacities are unequal Technology and device width can vary from one channel to the other If different speed DIMMs are used between channels the slowest memory timing will be used Flex mode This mode provides t...

Page 21: ...re 3 illustrates the memory channel and DIMM configuration Figure 3 Memory Channel and DIMM Configuration NOTE For best memory performance always install memory in the blue DIMM sockets if installing only two DIMMs on your board ...

Page 22: ... houses the memory interface display planes and pipes while the PCH has transcoder and display interface or ports The PCH receives the display data over Intel FDI and transcodes the data as per the display technology protocol and sends the data through the display interface 1 5 2 1 Intel Flexible Display Interconnect Intel FDI Intel FDI connects the display engine in the processor with the display...

Page 23: ...ough two internal headers black NOTE Computer systems that have an unshielded cable attached to a USB port may not meet FCC Class B requirements even if no device is attached to the cable Use a shielded cable that meets the requirements for full speed devices For information about Refer to The location of the USB connectors on the back panel Figure 10 page 44 The location of the front panel USB he...

Page 24: ...f three years When the computer is plugged in the standby current from the power supply extends the life of the battery The clock is accurate to 13 minutes year at 25 ºC with 3 3 VSB applied via the power supply 5V STBY rail NOTE If the battery and AC power fail date and time values will be reset and the user will be notified during the POST When the voltage drops below a certain level the BIOS Se...

Page 25: ...ecognized device type Front panel Intel HD Audio and AC 97 audio support 3 port analog audio out stack A signal to noise S N ratio of 95 dB Windows 7 Ultimate certification Table 5 lists the supported functions of the front panel and back panel audio jacks Table 5 Audio Jack Support Audio Jack Micro phone Headphones Line Out Front Spks Line In Surround Mic In Center Sub Front panel Green Default F...

Page 26: ...onnector is designed to power headphones or amplified speakers only Poor audio quality occurs if passive non amplified speakers are connected to this output For information about Refer to The locations of the front panel audio header and S PDIF audio header Figure 11 page 45 The signal names of the front panel audio header and S PDIF audio header Section 2 2 2 1 page 47 The back panel audio connec...

Page 27: ...system software For information about Refer to LAN software and drivers http downloadcenter intel com 1 9 1 Intel 82579V Gigabit Ethernet Controller The Intel 82579V Gigabit Ethernet Controller supports the following features 10 100 1000 BASE T IEEE 802 3 compliant Energy Efficient Ethernet EEE IEEE802 3az support Low Power Idle LPI mode Dual interconnect between the Integrated LAN Controller and ...

Page 28: ... 45 LAN connector shown in Figure 5 Item Description A Link LED Green B Data Rate LED Green Yellow Figure 5 LAN Connector LED Locations Table 6 describes the LED states when the board is powered up and the LAN subsystem is operating Table 6 LAN Connector LED States LED LED Color LED State Condition Link Green Off LAN link is not established On LAN link is established Blinking LAN activity is occur...

Page 29: ...n speed monitoring Power monitoring of 12 V 5 V 3 3 V 3 3 Vstandby V_SM VCCP and PCH VCC SMBus interface 1 10 2 Fan Monitoring Fan monitoring can be implemented using Intel Desktop Utilities or third party software For information about Refer to The functions of the fan headers Section 1 12 2 2 page 37 1 10 3 Chassis Intrusion and Detection The board supports a chassis security feature that detect...

Page 30: ...igure 6 shows the locations of the thermal sensors and fan headers Item Description A Thermal diode located on the processor die B Rear chassis fan header C Processor fan header D Front chassis fan header E Thermal diode located on the Intel B75 PCH Figure 6 Thermal Sensors and Fan Headers ...

Page 31: ...nance Timer Enables applications to wake up the host platform when it is powered down or in a sleep state Local Software Monitor Provides a common reporting mechanism to monitor applications running on the host operating system For information about Refer to Intel Small Business Advantage http www intel com go SBA 1 11 2 Intel Virtualization Technology Intel Virtualization Technology Intel VT is a...

Page 32: ...al tamper resistant defense that works like a poison pill that disables the computer and access to its data even if the operating system OS is reimaged a new hard drive is installed or the computer is disconnected from the network NOTE No computer system can provide absolute security under all conditions Intel AT requires the computer system to have an Intel AT enabled chipset BIOS firmware releas...

Page 33: ...gine M State LED The board has a blue colored Intel ME M state LED see Figure 7 The M state is based on Intel ME status as follows M0 Intel ME is in full control in S0 M3 Intel ME is in full control in S3 S5 for out of bound Intel manageability Moff Intel ME is in sleep state after Intel ME timeout has occurred Table 7 shows expected behavior of the M state LED Table 7 Intel ME M State LED Behavio...

Page 34: ...boards may require an ACPI aware driver video displays and hard disk drives Methods for achieving less than 15 watt system operation in the power on standby sleeping state A Soft off feature that enables the operating system to power off the computer Support for multiple wake up events see Table 10 on page 36 Support for a front panel power and sleep mode switch Table 8 lists the system states bas...

Page 35: ...essor States Device States Targeted System Power Note 1 G0 working state S0 working C0 working D0 working state Full power 30 W G1 sleeping state S3 Suspend to RAM Context saved to RAM No power D3 no power except for wake up logic Power 5 W Note 2 G1 sleeping state S4 Suspend to disk Context saved to disk No power D3 no power except for wake up logic Power 5 W Note 2 G2 S5 S5 Soft off Context not ...

Page 36: ...d power button NOTE The use of these wake up events from an ACPI state requires an operating system that provides full ACPI support In addition software drivers and peripherals must fully support ACPI wake events 1 12 2 Hardware Support CAUTION Ensure that the power supply provides adequate 5 V standby current if LAN wake capabilities and Instantly Available PC technology features are used Failure...

Page 37: ... BIOS Setup program s Boot menu For information about Refer to The location of the main power connector Figure 11 page 45 The signal names of the main power connector Table 25 page 51 1 12 2 2 Fan Headers The function operation of the fan headers is as follows The fans are on when the board is in the S0 state The fans are off when the board is off or in the S3 S4 or S5 state Each fan header is wir...

Page 38: ...hnology CAUTION For Instantly Available PC technology the 5 V standby line for the power supply must be capable of providing adequate 5 V standby current Failure to provide adequate standby current when implementing Instantly Available PC technology can damage the power supply Instantly Available PC technology enables the board to enter the ACPI S3 Suspend to RAM sleep state While in the S3 sleep ...

Page 39: ...hen the WAKE signal on the PCI Express bus is asserted the computer wakes from an ACPI S3 S4 or S5 state 1 12 2 8 Wake from PS 2 Devices PS 2 keyboard activity wakes the computer from an ACPI S3 S4 or S5 state However when the computer is in an ACPI S4 or S5 state the only PS 2 activity that will wake the computer is the Alt Print Screen or the Power Key available only on some keyboards 1 12 2 9 W...

Page 40: ...en when the computer appears to be off Figure 8 shows the location of the standby power LED CAUTION If AC power has been switched off and the standby power indicator is still lit disconnect the power cord before installing or removing any devices connected to the board Failure to do so could damage the board and any attached devices Figure 8 Location of the Standby Power LED ...

Page 41: ...ons include the following BIOS SPI Flash device 96 Mbit Local APIC 19 MB Direct Media Interface 40 MB PCI Express configuration space 256 MB PCH base address registers PCI Express ports up to 256 MB Memory mapped I O that is dynamically allocated for Conventional PCI and PCI Express add in cards 256 MB The board provides the capability to reclaim the physical memory overlapped by the memory mapped...

Page 42: ...Intel Desktop Board DB75EN Technical Product Specification 42 Figure 9 Detailed System Memory Address Map ...

Page 43: ...mory 2 2 Connectors and Headers CAUTION Only the following connectors and headers have overcurrent protection back panel and front panel USB and PS 2 The other internal connectors and headers are not overcurrent protected and should connect only to devices inside the computer s chassis such as fans and internal peripherals Do not use these connectors or headers to power devices external to the com...

Page 44: ...2 0 ports C USB 2 0 ports D VGA connector E Parallel port F DVI D connector G LAN port H USB 3 0 ports I Line in surround J Line out front speakers K Mic in center subwoofer Figure 10 Back Panel Connectors NOTE The back panel audio line out connector is designed to power headphones or amplified speakers only Poor audio quality occurs if passive non amplified speakers are connected to this output ...

Page 45: ...Technical Reference 45 2 2 2 Component side Connectors and Headers Figure 11 shows the locations of the component side connectors and headers Figure 11 Component side Connectors and Headers ...

Page 46: ...connector E 12 V processor core voltage connector 2 x 2 pin F Rear chassis fan header G Processor fan header H Front chassis fan header I Chassis intrusion header J LPC Debug header K TPM header L Main power connector 2 x 12 M Intel MEBX reset header N SATA 6 0 Gb s connector blue O eSATA 3 0 Gb s connector red P Alternate front panel power sleep LED header Q Front panel header R SATA 3 0 connecto...

Page 47: ...io Pin Signal Name Pin Signal Name 1 Port 1 Left channel 2 Ground 3 Port 1 Right channel 4 PRESENCE Dongle present 5 Port 2 Right channel 6 Port 1 SENSE_RETURN 7 SENSE_SEND Jack detection 8 Key no pin 9 Port 2 Left channel 10 Port 2 SENSE_RETURN Table 15 Front Panel Audio Header for AC 97 Audio Pin Signal Name Pin Signal Name 1 MIC 2 AUD_GND 3 MIC_BIAS 4 AUD_GND 5 FP_OUT_R 6 FP_RETURN_R 7 AUD_5V 8...

Page 48: ...Signal D 9 IntA_P1_D USB3 ICC Port1 D USB2 Signal D 10 ID Over Current Protection 11 IntA_P2_D USB3 ICC Port2 D USB2 Signal D 12 IntA_P2_D USB3 ICC Port2 D USB2 Signal D 13 GND Ground 14 IntA_P2_SSTX USB3 ICC Port2 SuperSpeed Tx 15 IntA_P2_SSTX USB3 ICC Port2 SuperSpeed Tx 16 GND Ground 17 IntA_P2_SSRX USB3 ICC Port2 SuperSpeed Rx 18 IntA_P2_SSRX USB3 ICC Port2 SuperSpeed Rx 19 Vbus Power 20 Key N...

Page 49: ...use Pulse Width Modulation control for fan speed Table 22 LPC Debug Header Pin Signal Name Pin Signal Name 1 CK_33M_DEBUG 2 GND 3 PLTRST 4 LFRAME 5 LAD0 6 LAD1 7 LAD2 8 LAD3 9 GND 10 GND 11 3 3 V 12 3 3 V 13 Key no pin 14 3 3 V Table 23 TPM Header Pin Signal Name Pin Signal Name 1 PCICLK 2 GND 3 FRAME 4 Key no pin 5 PCIRST 6 N C 7 LAD3 8 LAD2 9 VCC3 10 LAD1 11 LAD0 12 GND 13 N C 14 N C 15 3VSB 16 ...

Page 50: ...onal PCI bus connectors The Conventional PCI bus connectors are bus master capable SMBus signals are routed to the Conventional PCI bus connectors This enables Conventional PCI bus add in boards with SMBus support to access sensor data on the desktop board The specific SMBus signals are as follows The SMBus clock line is connected to pin A40 The SMBus data line is connected to pin A41 NOTE PCI Exp...

Page 51: ...ower directly to the processor voltage regulator and must always be used Failure to do so will prevent the board from booting Table 24 Processor Core Power Connector Pin Signal Name Pin Signal Name 1 Ground 2 Ground 3 12 V 4 12 V Table 25 Main Power Connector Pin Signal Name Pin Signal Name 1 3 3 V 13 3 3 V 2 3 3 V 14 12 V 3 Ground 15 Ground 4 5 V 16 PS ON power supply remote on off 5 Ground 17 Gr...

Page 52: ... POWER_LED_ALT Out Front panel LED alt color 5 GROUND Ground 6 POWER_SWITCH In Power switch 7 RESET_SWITCH In Reset switch 8 GROUND Ground 9 5V_DC Power 10 Key No pin Figure 12 Connection Diagram for Front Panel Header 2 2 2 4 1 Hard Drive Activity LED Header Pins 1 and 3 can be connected to an LED to provide a visual indicator that data is being read from or written to a hard drive Proper LED fun...

Page 53: ...ors are chassis specific 2 2 2 4 4 Power Switch Header Pins 6 and 8 can be connected to a front panel momentary contact power switch The switch must pull the SW_ON pin to ground for at least 50 ms to signal the power supply to switch on or off The time requirement is due to internal debounce circuitry on the board At least two seconds must pass before the power supply will recognize another on off...

Page 54: ...aders Figure 13 is a connection diagram for the front panel USB 2 0 headers NOTE The 5 V DC power on the USB headers is fused Use only a front panel USB connector that conforms to the USB 2 0 specification for high speed USB devices Figure 13 Connection Diagram for Front Panel USB 2 0 Headers ...

Page 55: ...e BIOS compares the processor version and the microcode version in the BIOS and reports if the two match Figure 14 Location of the Jumper Block Table 30 BIOS Setup Configuration Jumper Settings Function Mode Jumper Setting Configuration Normal 1 2 The BIOS uses current configuration information and passwords for booting Configure 2 3 After the POST runs Setup runs automatically The maintenance men...

Page 56: ...MEBX password to the default value admin CAUTION Always turn off the power and unplug the power cord from the computer before installing an MEBX reset jumper The jumper must be removed before reapplying power The system must be allowed to reach end of POST before reset is complete Otherwise the board could be damaged NOTE After using the MEBX Reset a CMOS battery failure warning will occur during ...

Page 57: ...hassis Figure 16 illustrates the mechanical form factor for the board Dimensions are given in inches millimeters The outer dimensions are 9 60 inches by 9 60 inches 243 84 millimeters by 243 84 millimeters Location of the I O connectors and mounting holes are in compliance with the ATX specification Figure 16 Board Dimensions ...

Page 58: ...ideo card one hard disk drive one optical drive and all board peripherals enabled the minimum recommended power supply is 460 W Table 32 lists possible recommended power supply current rail values Table 32 Recommended Power Supply Current Values High Power Output Voltage 3 3 V 5 V 12 V1 12 V2 12 V 5 VSB Current 22 A 20 A 20 A 20 A 0 3 A 2 5 A For example for a low power system consisting of a supp...

Page 59: ... boards for a fully loaded board all three expansion slots filled must not exceed the system s power supply 5 V maximum current or 14 A in total 2 7 Thermal Considerations CAUTION A chassis with a maximum internal ambient temperature of 38 o C at the processor fan inlet is a requirement Use a processor heat sink that provides omni directional airflow to maintain required airflow across the process...

Page 60: ...environmental specifications in Section 2 9 CAUTION Ensure that proper airflow is maintained in the processor voltage regulator circuit Failure to do so may result in damage to the voltage regulator circuit The processor voltage regulator area shown in Figure 17 can reach a temperature of up to 120 o C in an open chassis Figure 17 shows the locations of the localized high temperature zones Item De...

Page 61: ... to Thermal Design Power TDP is specified as the maximum sustainable power to be dissipated by the components When the component is dissipating less than TDP the case temperature should be below the Maximum Case Temperature The surface temperature at the geometric center of the component corresponds to Case Temperature It is important to note that the temperature measurement in the system BIOS is ...

Page 62: ...el Desktop Board DB75EN is 281 462 hours 2 9 Environmental Table 37 lists the environmental specifications for the board Table 37 Environmental Specifications Parameter Specification Temperature Non Operating 20 C to 70 C Operating 0 C to 55 C Shock Unpackaged 50 g trapezoidal waveform Velocity change of 170 inches s Packaged Half sine 2 millisecond Product Weight pounds Free Fall inches Velocity ...

Page 63: ...en the BIOS Setup configuration jumper is set to configure mode and the computer is powered up the BIOS compares the CPU version and the microcode version in the BIOS and reports if the two match The BIOS Setup program can be used to view and change the BIOS settings for the computer The BIOS Setup program is accessed by pressing the F2 key after the Power On Self Test POST memory test begins and ...

Page 64: ...creen Moves the cursor left or right or Selects an item Moves the cursor up or down Tab Selects a field Not implemented Enter Executes command or selects the submenu F9 Load the default configuration values for the current menu F10 Save the current values and exits the BIOS Setup program Esc Exits the menu 3 2 BIOS Flash Memory Organization The Serial Peripheral Interface Flash Memory SPI Flash in...

Page 65: ...plication running on a non Plug and Play operating system can obtain the SMBIOS information Additional board information can be found in the BIOS under the Additional Information header under the Main BIOS page 3 5 Legacy USB Support Legacy USB support enables USB devices to be used even when the operating system s USB drivers are not yet available Legacy USB support is used to access the BIOS Set...

Page 66: ...drive a flash drive or a USB hard drive or a CD ROM or from the file location on the Web Intel Flash Memory Update Utility which requires booting from DOS Using this utility the BIOS can be updated from a file on a hard disk a USB drive a flash drive or a USB hard drive or a CD ROM Both utilities verify that the updated BIOS matches the target system to prevent accidentally installing an incompati...

Page 67: ...http developer intel com design motherbd software htm 3 7 BIOS Recovery It is unlikely that anything will interrupt a BIOS update however if an interruption occurs the BIOS could be damaged Table 40 lists the drives and media types that can and cannot be used for BIOS recovery The BIOS recovery media does not need to be made bootable Table 40 Acceptable Drives Media Types for BIOS Recovery Media T...

Page 68: ...tion allows booting from the onboard LAN or a network add in card with a remote boot ROM installed Pressing the F12 key during POST automatically forces booting from the LAN To use this key during POST the User Access Level in the BIOS Setup program s Security menu must be set to Full 3 8 3 Booting Without Attached Devices For use in embedded applications the BIOS has been designed so that after p...

Page 69: ...le the settings for Fast Boot This option will allow BIOS to skip through various stages of POST and boot quickly to the last detected boot device In the Boot Menu set the hard disk drive as the first boot device As a result the POST does not first seek a diskette drive which saves about one second from the POST execution time In the Peripheral Configuration submenu disable the LAN device if it wi...

Page 70: ...he computer The password prompt will be displayed before the computer is booted If only the supervisor password is set the computer boots without asking for a password If both passwords are set the user can enter either password to boot the computer For enhanced security use different passwords for the supervisor and user passwords Valid password characters are A Z a z and 0 9 Passwords may be up ...

Page 71: ...00 147 April2011 pdf for more information 3 11 BIOS Performance Features The BIOS includes the following options to provide custom performance enhancements when using 3rd generation Intel Core processor family and 2nd generation Intel Core processor family processors in an LGA1155 socket Processor Maximum Non Turbo Ratio processor multiplier can only be adjusted down Memory multiplier adjustment M...

Page 72: ...Intel Desktop Board DB75EN Technical Product Specification 72 ...

Page 73: ...requency F2 Setup F10 Boot Menu Prompt One 0 5 second beep when BIOS is ready to accept keyboard input 932 Hz BIOS update in progress None Video error On off 1 0 second each two times then 2 5 second pause off entire pattern repeats beeps and pause once and the BIOS will continue to boot 932 Hz When no VGA option ROM is found Memory error On off 1 0 second each three times then 2 5 second pause of...

Page 74: ... option ROM is found Memory error On off 1 0 second each three times then 2 5 second pause off entire pattern repeats blinks and pause until the system is powered off Thermal trip warning Each beep will be accompanied by the following blink pattern 25 seconds on 25 seconds off 25 seconds on 25 seconds off This will result in a total of 16 blinks 4 4 BIOS Error Messages Table 45 lists the error mes...

Page 75: ... POST codes themselves Table 48 lists the Port 80h POST sequence NOTE In the tables listed above all POST codes and range values are listed in hexadecimal Table 46 Port 80h POST Code Ranges Range Subsystem 0x00 0x05 Entering SX states S0 to S5 0x10 0x20 0x30 0x40 0x50 Resuming from SX states 0x10 S1 0x20 S2 0x30 S3 etc 0x08 0x0F Security SEC phase 0x11 0x1F PEI phase pre MRC execution 0x21 0x29 MR...

Page 76: ...re PEI before MRC PEI Platform driver 0x11 Set bootmode GPIO init 0x12 Early chipset register programming including graphics init 0x13 Basic PCH init discrete device init 1394 SATA 0x14 LAN init 0x15 Exit early platform init driver PEI SMBUS 0x16 SMBUSriver init 0x17 Entry to SMBUS execute read write 0x18 Exit SMBUS execute read write PEI CK505 Clock Programming 0x19 Entry to CK505 programming 0x1...

Page 77: ...U SMM Init smm relocate bases 0x45 Smm relocate bases for APs 0x46 End CPU SMM Init CPU DXE Phase 0x47 CPU DXE Phase begin 0x48 Refresh memory space attributes according to MTRRs 0x49 Load the microcode if needed 0x4A Initialize strings to HII database 0x4B Initialize MP Support 0x4C CPU DXE Phase End CPU DXE SMM Phase 0x4D CPU DXE SMM Phase begin 0x4E Relocate SM bases for all APs 0x4F CPU DXE SM...

Page 78: ...0x6D BDS Step13 0x6E BDS Step14 0x6F BDS return to DXE core should not get here Keyboard PS2 or USB 0x90 Resetting keyboard 0x91 Disabling the keyboard 0x92 Detecting the presence of the keyboard 0x93 Enabling the keyboard 0x94 Clearing keyboard input buffer 0x95 Instructing keyboard controller to run Self Test PS2 only Mouse PS2 or USB 0x98 Resetting mouse 0x99 Detecting mouse 0x9A Detecting pres...

Page 79: ... Detecting presence of a removable media IDE CDROM detection etc 0xBB Enabling configuring a removable media DXE Core 0xE4 Entered DXE phase BDS 0xE7 Waiting for user input 0xE8 Checking password 0xE9 Entering BIOS setup 0xEB Calling Legacy Option ROMs Runtime Phase EFI OS Boot 0xF8 EFI boot service ExitBootServices has been called 0xF9 EFI runtime service SetVirtualAddressMap has been called ...

Page 80: ...ization 13 SMM initialization 50 Enumerating PCI buses 51 Allocating resourced to PCI bus 92 Detecting the presence of the keyboard 90 Resetting keyboard 94 Clearing keyboard input buffer 95 Keyboard Self Test EB Calling Video BIOS 58 Resetting USB bus 5A Resetting PATA SATA bus and all devices 92 Detecting the presence of the keyboard 90 Resetting keyboard 94 Clearing keyboard input buffer 5A Res...

Page 81: ...ndards Product certification markings 5 1 1 Safety Standards Intel Desktop Board DB75EN complies with the safety standards stated in Table 49 when correctly installed in a compatible host system Table 49 Safety Standards Standard Title CSA UL 60950 1 Information Technology Equipment Safety Part 1 General Requirements USA and Canada EN 60950 1 Information Technology Equipment Safety Part 1 General ...

Page 82: ... ja 2002 95 EC kehtestatud nõuetele Suomi Tämä tuote noudattaa EU direktiivin 2004 108 EC 2006 95 EC 2002 95 EC määräyksiä Français Ce produit est conforme aux exigences de la Directive Européenne 2004 108 EC 2006 95 EC 2002 95 EC Deutsch Dieses Produkt entspricht den Bestimmungen der Europäischen Richtlinie 2004 108 EC 2006 95 EC 2002 95 EC Ελληνικά Το παρόν προϊόν ακολουθεί τις διατάξεις των Ευρ...

Page 83: ... 2 Recycling Considerations As part of its commitment to environmental responsibility Intel has implemented the Intel Product Recycling Program to allow retail consumers of Intel s branded products to return used products to selected locations for proper recycling Please consult the http www intel com intel other ehs product_ecology for the details of this program including the scope of covered pr...

Page 84: ... instructions d expédition les conditions générales etc 日本語インテルでは環境保護活動の一環として使い終えたインテルブランド製品を指定の場所へ返送していただきリサイクルを適切に行えるようインテル製品リサイクルプログラムを発足させました対象製品返送先返送方法ご利用規約などこのプログラムの詳細情報は http www intel com in tel other ehs product_ecology 英語をご覧ください Malay Sebagai sebahagian daripada komitmennya terhadap tanggungjawab persekitaran Intel telah melaksanakan Program Kitar Semula Produk untuk membena...

Page 85: ...ther ehs product_ecology за информацией об этой программе принимаемых продуктах местах приема инструкциях об отправке положениях и условиях и т д Türkçe Intel çevre sorumluluğuna bağımlılığının bir parçası olarak perakende tüketicilerin Intel markalı kullanılmış ürünlerini belirlenmiş merkezlere iade edip uygun şekilde geri dönüştürmesini amaçlayan Intel Ürünleri Geri Dönüşüm Programı nı uygulamay...

Page 86: ...a RoHS compliant product The China Ministry of Information Industry MII stipulates that a material Self Declaration Table SDT must be included in a product s user documentation The SDT for Intel Desktop Board DB75EN is shown in Figure 18 Figure 18 Intel Desktop Board DB75EN China RoHS Material Self Declaration Table ...

Page 87: ...s and Radio Waves Act South Korea CNS 13438 Bureau of Standards Metrology and Inspection Taiwan FCC Declaration of Conformity This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation For que...

Page 88: ...artment of Communications Le présent appareil numerique német pas de bruits radioélectriques dépassant les limites applicables aux appareils numériques de la classe B prescrites dans le Réglement sur le broullage radioélectrique édicté par le ministére des Communications du Canada Japan VCCI Statement Japan VCCI Statement translation This is a Class B product based on the standard of the Voluntary...

Page 89: ...nergy Star v5 0 category D EPEAT Korea e Standby European Union Energy related Products Directive 2009 ErP Lot 6 NOTE Energy Star compliance is based at the system level not the board level Use of an Intel Desktop Board alone does not guarantee Energy Star compliance For information about Refer to ENERGY STAR requirements and recommended configurations http www intel com go energystar Electronic P...

Page 90: ... tick mark Includes adjacent Intel supplier code number N 232 Japan VCCI Voluntary Control Council for Interference mark Korea Certification mark Includes an adjacent KCC Korean Communications Commission certification number KCC REM CPU DB75EN Taiwan BSMI Bureau of Standards Metrology and Inspections mark Includes adjacent Intel company number D33025 Printed wiring board manufacturer s recognition...

Page 91: ...ljølovgivning OBS Det kan oppstå eksplosjonsfare hvis batteriet skiftes ut med feil type Brukte batterier bør kastes i henhold til gjeldende miljølovgivning VIKTIGT Risk för explosion om batteriet ersätts med felaktig batterityp Batterier ska kasseras enligt de lokala miljövårdsbestämmelserna VARO Räjähdysvaara jos pariston tyyppi on väärä Paristot on kierrätettävä jos se on mahdollista Käytetyt p...

Page 92: ...rdo com as regulamentações ambientais da região AŚCIAROŽZNAŚĆ Існуе рызыка выбуху калі заменены акумулятар неправільнага тыпу Акумулятары павінны па магчымасці перепрацоўвацца Пазбаўляцца ад старых акумулятараў патрэбна згодна з мясцовым заканадаўствам па экалогіі UPOZORNÌNÍ V případě výměny baterie za nesprávný druh může dojít k výbuchu Je li to možné baterie by měly být recyklovány Baterie je tř...

Page 93: ...е взрыва Батареи должны быть утилизированы по возможности Утилизация батарей должна проводится по правилам соответствующим местным требованиям UPOZORNENIE Ak batériu vymeníte za nesprávny typ hrozí nebezpečenstvo jej výbuchu Batérie by sa mali podľa možnosti vždy recyklovať Likvidácia použitých batérií sa musí vykonávať v súlade s miestnymi predpismi na ochranu životného prostredia POZOR Zamenjava...

Page 94: ...照當地的環保規範來處理使用過的電池 주의 배터리를 잘못된 종류로 교체할 경우 폭발 위험이 있습니다 가능한 경우 배터리는 재활용해야 하며 수명이 다한 배터리를 폐기할 때는 각 지역의 환경법을 따라야 합니다 THẬN TRỌNG Có nguy cơ xảy ra nổ nếu thay pin không đúng loại Pin cần được tái chế nếu có thể thực hiện được Việc thải bỏ pin đã sử dụng phải tuân theo các quy định của địa phương về môi trường ...

Page 95: ...Regulatory Compliance and Battery Disposal Information 95 ...

Page 96: ...Intel Desktop Board DB75EN Technical Product Specification 96 ...

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