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Intel Desktop Board DG41TX Technical Product Specification 

58 

 

 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 15) can reach a temperature of up to 95 

o

C in 

an open chassis. 

Figure 15 shows the locations of the localized high temperature zones. 

 

Item Description 

A 

Processor voltage regulator area 

B Processor 
C Intel 82G41 GMCH 
D Intel 82801GB (ICH7) 

Figure 15.  Localized High Temperature Zones 

Summary of Contents for BLKDG41TX

Page 1: ...er Number E89691 001US The Intel Desktop Board DG41TX may contain design defects or errors known as errata that may cause the product to deviate from published specifications Current characterized err...

Page 2: ...subject matter The furnishing of documents and other materials and information does not provide any license express or implied by estoppel or otherwise to any such patents trademarks copyrights or oth...

Page 3: ...fically 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 suppor...

Page 4: ...e DC unless otherwise specified This symbol is used to indicate third party brands and names that are the property of their respective owners Used after a signal name to identify an active low signal...

Page 5: ...Subsystem 24 1 10 1 Audio Subsystem Software 25 1 10 2 Audio Connectors and Headers 25 1 11 LAN Subsystem 26 1 11 1 LAN Subsystem Software 26 1 11 2 RJ 45 LAN Connector with Integrated LEDs 27 1 12 Ha...

Page 6: ...7 BIOS Recovery 66 3 8 Boot Options 67 3 8 1 Optical Drive Boot 67 3 8 2 Network Boot 67 3 8 3 Booting Without Attached Devices 67 3 8 4 Changing the Default Boot Device During POST 67 3 9 Adjusting...

Page 7: ...ck Retasking Support 24 5 LAN Connector LED States 27 6 Effects of Pressing the Power Switch 30 7 Power States and Targeted System Power 31 8 Wake up Devices and Events 32 9 System Memory Map 41 10 Co...

Page 8: ...Keys 62 33 Acceptable Drives Media Types for BIOS Recovery 66 34 Boot Device Menu Options 67 35 Supervisor and User Password Functions 69 36 BIOS Beep Codes 71 37 Front panel Power LED Blink Codes 72...

Page 9: ...AM Dual Inline Memory Module DIMM sockets Support for DDR3 800 MHz DDR3 1066 MHz or DDR3 1333 OC MHz DIMMs Support for up to 4 GB of system memory Support for non ECC memory Chipset Intel G41 Express...

Page 10: ...el 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 Local Bus Specification...

Page 11: ...Product Description 11 1 1 2 Board Layout Figure 1 shows the location of the major components Figure 1 Major Board Components Table 2 lists the components identified in Figure 1...

Page 12: ...ctor 2 x 2 I Rear chassis fan header J Battery K LGA775 processor socket L Intel 82G41 GMCH M Processor fan header N DIMM Channel A socket O DIMM Channel B socket P Diskette drive connector Q Parallel...

Page 13: ...Product Description 13 1 1 3 Block Diagram Figure 2 is a block diagram of the major functional areas Figure 2 Block Diagram...

Page 14: ...s desktop kr CS 025414 htm 1 4 Processor The board is designed to support the following processors Intel Core2 Quad processor Q6000 Q8000 Q9000 series in an LGA775 socket Intel Core2 Duo processor E40...

Page 15: ...ions the board should be populated with DIMMs that support the Serial Presence Detect SPD data structure This enables the BIOS to read the SPD data and program the chipset to accurately configure memo...

Page 16: ...l 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 D...

Page 17: ...Product Description 17 Figure 3 illustrates the memory channel and DIMM configuration Figure 3 Memory Channel Configuration and DIMM Configuration...

Page 18: ...ducts desktop chipsets index htm Resources used by the chipset Chapter 2 1 6 1 Intel G41 Graphics Subsystem The Intel G41 Express Chipset contains two separate mutually exclusive graphics options Eith...

Page 19: ...correct amount of memory installed DVMT returns system memory back to the operating system when the additional system memory is no longer required by the graphics subsystem DVMT will always use a min...

Page 20: ...o supports add in discrete graphics card via the PCI Express graphics connector PCI Express 2 0 x16 Supports PCI Express GEN1 frequency of 1 25 GHz resulting in 2 5 Gb s each direction 500 MB s total...

Page 21: ...ing Serial ATA functionality is transparent to the operating system The Serial ATA controller can operate in both legacy and native modes In legacy mode standard IDE I O and IRQ resources are assigned...

Page 22: ...er rates of up to 66 MB s ATA 66 protocol is similar to Ultra DMA and is device driver compatible ATA 100 DMA protocol on IDE bus allows host and target throttling The ATA 100 logic can achieve read t...

Page 23: ...Replace the battery with an equivalent one Figure 1 on page 11 shows the location of the battery 1 9 Legacy I O Controller The I O controller provides the following features One serial port header Se...

Page 24: ...panel header AC 97 Intel High Definition Audio Link header S PDIF Audio out header The audio subsystem supports the following features A signal to noise S N ratio of 95 dB Independent 5 1 audio playb...

Page 25: ...and back panel microphone connectors The audio headers and connectors are configurable through the audio device drivers The available configurable back panel audio connectors are shown in Figure 4 Ite...

Page 26: ...eatures of the LAN subsystem include CSMA CD protocol engine LAN connect interface between ICH7 and the LAN controller Conventional PCI bus power management ACPI technology support LAN wake capabiliti...

Page 27: ...ED Locations Table 5 describes the LED states when the board is powered up and the LAN subsystem is operating Table 5 LAN Connector LED States LED LED Color LED State Condition Off LAN link is not est...

Page 28: ...es 5 Vsb 5V 12 V 3 3 V and VCCP to detect levels above or below acceptable values Thermally monitored closed loop fan control for both fans that can adjust the fan speed according to thermal condition...

Page 29: ...ermal diode located on the processor die C Thermal diode located on the GMCH die D Processor fan header E Thermal diode located on the ICH7 die F Front chassis fan header Figure 6 Thermal Sensors and...

Page 30: ...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 t...

Page 31: ...G0 working state S0 working C0 working D0 working state Full power 30 W G1 sleeping state S1 Processor stopped C1 stop grant D1 D2 D3 device specification specific 5 W power 52 5 W G1 sleeping state S...

Page 32: ...al S1 S3 S4 S5 Power switch S1 S3 S4 S5 PS 2 devices S1 S3 S4 S5 RTC alarm S1 S3 S4 S5 Serial port S1 S3 USB S1 S3 WAKE signal S1 S3 S4 S5 Notes S4 implies operating system support only USB ports are...

Page 33: ...port LAN wake capabilities and Instantly Available PC technology require power from the 5 V standby line NOTE The use of Wake from USB from an ACPI state requires an operating system that provides fu...

Page 34: ...of the processor fan header Table 14 page 46 The signal names of the chassis fan header Table 15 page 46 1 13 2 3 LAN Wake Capabilities CAUTION For LAN wake capabilities the 5 V standby line from the...

Page 35: ...fication Add in boards that also support this specification can participate in power management and can be used to wake the computer The use of Instantly Available PC technology requires operating sys...

Page 36: ...r LED shows that power is still present even when the computer appears to be off Figure 7 shows the location of the standby power indicator LED CAUTION If AC power has been switched off and the standb...

Page 37: ...ncluding appropriate selection of an efficient power supply Energy Star v5 0 category B EPEAT Korea e Standby European Union Energy related Products Directive 2009 ErP For information about Refer to E...

Page 38: ...Intel Desktop Board DG41TX Technical Product Specification 38...

Page 39: ...BIOS SPI Flash 16 Mbits Local APIC 19 MB Direct Media Interface 40 MB Front side bus interrupts 17 MB PCI Express configuration space 256 MB GMCH base address registers internal graphics ranges PCI Ex...

Page 40: ...nt of installed memory that can be used will vary based on add in cards and BIOS settings Figure 8 shows a schematic of the system memory map All installed system memory can be used when there is no o...

Page 41: ...F 64 KB Runtime BIOS 896 K 960 K E0000 EFFFF 64 KB Reserved 800 K 896 K C8000 DFFFF 96 KB Potential available high DOS memory open to the PCI bus Dependent on video adapter used 640 K 800 K A0000 C7FF...

Page 42: ...ted by the external devices could cause damage to the computer the power cable and the external devices themselves Furthermore improper connection of USB header signal wire connectors may eventually o...

Page 43: ...shows the locations of the back panel connectors Item Description A PS 2 keyboard mouse port B PS 2 keyboard mouse port C VGA output D Parallel port E DVI D output F USB ports 2 G LAN H USB ports 2 I...

Page 44: ...Board DG41TX Technical Product Specification 44 2 2 2 Component side Connectors and Headers Figure 10 shows the locations of the component side connectors and headers Figure 10 Component side Connecto...

Page 45: ...press x1 bus add in card connector E PCI Express x16 bus add in card connector F Processor core power connector 2 x 2 G Rear chassis fan header H Battery I Processor fan header J Diskette drive connec...

Page 46: ...Header Pin Signal Name Pin Signal Name 1 DCD 2 RXD 3 TXD 4 DTR 5 Ground 6 DSR 7 RTS 8 CTS 9 RI 10 Key no pin Table 13 Chassis Intrusion Header Pin Signal Name 1 Intruder 2 Ground Table 14 Processor 4...

Page 47: ...RETURN Table 17 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 N A 8 Key no pin 9 FP_OUT_L 10 FP_RETURN_L Tabl...

Page 48: ...speeds of up to 500 MB s of peak bandwidth per direction Two Conventional PCI bus rev 2 3 compliant connectors Note the following considerations for the Conventional PCI bus connectors All of the Conv...

Page 49: ...r provides power directly to the processor voltage regulator and must always be used Failure to do so will prevent the board from booting Table 20 Processor Core Power Connector Pin Signal Name Pin Si...

Page 50: ...reen LED 3 HDA Out Hard disk active LED 4 HDR_BLNK_ YEL Out Front panel yellow LED Reset Switch On Off Switch 5 Ground Ground 6 FPBUT_IN In Power switch 7 FP_RESET In Reset switch 8 Ground Ground Powe...

Page 51: ...y Yellow Sleeping NOTE The colors listed in Table 23 and Table 24 are suggested colors only Actual LED colors are chassis specific 2 2 2 4 4 Power Switch Header Pins 6 and 8 can be connected to a fron...

Page 52: ...Figure 12 is a connection diagram for the front panel USB headers NOTES The 5 V DC power on the front panel USB headers is fused Use only a front panel USB connector that conforms to the USB 2 0 spec...

Page 53: ...d be damaged Figure 13 shows the location of the jumper block The jumper determines the BIOS Setup program s mode Table 26 lists the jumper settings for the three modes normal configure and recovery W...

Page 54: ...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 menu is dis...

Page 55: ...assis Figure 14 illustrates the mechanical form factor of the board Dimensions are given in inches millimeters The outer dimensions are 9 60 inches by 8 60 inches 243 84 millimeters by 218 44 millimet...

Page 56: ...ly must comply with the indicated parameters of the ATX form factor specification The potential relation between 3 3 VDC and 5 VDC power rails The current capability of the 5 VSB line All timing param...

Page 57: ...ermal Considerations CAUTION Failure to ensure appropriate airflow may result in reduced performance of both the processor and or voltage regulator or in some instances damage to the board For a list...

Page 58: ...ult in damage to the voltage regulator circuit The processor voltage regulator area shown in Figure 15 can reach a temperature of up to 95 o C in an open chassis Figure 15 shows the locations of the l...

Page 59: ...essor datasheets and processor specification updates Intel 82G41 GMCH 102 o C under bias Intel 82801GB ICH7 108 o C under bias For information about Refer to Processor datasheets and specification upd...

Page 60: ...0 C to 70 C Operating 0 C to 55 C Shock Unpackaged 50 g trapezoidal waveform Velocity change of 170 inches second Packaged Half sine 2 millisecond Product weight pounds Free fall inches Velocity chang...

Page 61: ...he 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...

Page 62: ...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 t...

Page 63: ...s Using SMBIOS a system administrator can obtain the system types capabilities operational status and installation dates for system components The MIF database defines the data and provides the method...

Page 64: ...Setup program and the maintenance menu 4 POST completes 5 The operating system loads While the operating system is loading USB keyboards and mice are recognized and may be used to configure the opera...

Page 65: ...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 an optical drive Both utilities verify that the update...

Page 66: ...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 33 lists the drives and...

Page 67: ...rd 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 BIO...

Page 68: ...the following BIOS Setup program settings reduces the POST execution time 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 w...

Page 69: ...ssword 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 eithe...

Page 70: ...Intel Desktop Board DG41TX Technical Product Specification 70...

Page 71: ...One 0 5 second beep when the CPU initialization process completes 3270 Hz POST complete One 0 5 second beep when POST completes 3270 Hz BIOS update in progress None Video error On off 0 5 seconds each...

Page 72: ...ed off When no VGA option ROM is found Memory error On off 0 5 seconds each three times then 3 0 second pause off entire pattern repeats blinks and pause until the system is powered off Thermal trip w...

Page 73: ...ove all POST codes and range values are listed in hexadecimal Table 39 Port 80h POST Code Ranges Range Category Subsystem 00 0F Debug codes Can be used by any PEIM driver for debug 10 1F Host Processo...

Page 74: ...n the memory controller and the DIMMs 25 Configuring memory 26 Optimizing memory settings 27 Initializing memory such as ECC init 28 Testing memory PCI Bus 50 Enumerating PCI busses 51 Allocating reso...

Page 75: ...nabling mouse Fixed Media B0 Resetting fixed media B1 Disabling fixed media B2 Detecting presence of a fixed media IDE hard drive detection etc B3 Enabling configuring a fixed media Removable Media B8...

Page 76: ...ng Legacy Option ROMs Runtime Phase EFI OS Boot F8 EFI boot service ExitBootServices has been called F9 EFI runtime service SetVirtualAddressMap has been called FA EFI runtime service ResetSystem has...

Page 77: ...nitialization 50 Enumerating PCI busses 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 Ca...

Page 78: ...Intel Desktop Board DG41TX Technical Product Specification 78...

Page 79: ...arkings 5 1 1 Safety Standards The Intel Desktop Board DG41TX complies with the safety standards stated in Table 42 when correctly installed in a compatible host system Table 42 Safety Standards Stand...

Page 80: ...ektiivides 2004 108 EC ja 2006 95 EC kehtestatud n uetele Suomi T m tuote noudattaa EU direktiivin 2004 108 EC 2006 95 EC m r yksi Fran ais Ce produit est conforme aux exigences de la Directive Europ...

Page 81: ...ations 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...

Page 82: ...e programme savoir les produits concern s les adresses disponibles les instructions d exp dition les conditions g n rales etc http www intel com in tel other ehs product_ecology Malay Sebagai sebahagi...

Page 83: ...nt product EU RoHS restricts the use of six materials One of the six restricted materials is lead This board is lead free although certain discrete components used on the board contain a small amount...

Page 84: ...Free 2nd Level Interconnect This symbol is used to identify electrical and electronic assemblies and components in which the lead Pb concentration level in the desktop board substrate and the solder c...

Page 85: ...ctromagnetic Compatibility Australia and New Zealand CISPR 22 2005 A1 2005 A2 2006 Limits and methods of measurement of Radio Disturbance Characteristics of Information Technology Equipment Internatio...

Page 86: ...directive and Low Voltage directive Australian Communications Authority ACA and New Zealand Radio Spectrum Management NZ RSM C tick mark Includes adjacent Intel supplier code number N 232 Japan VCCI...

Page 87: ...ilj lovgivning OBS Det kan oppst eksplosjonsfare hvis batteriet skiftes ut med feil type Brukte batterier b r kastes i henhold til gjeldende milj lovgivning VIKTIGT Risk f r explosion om batteriet ers...

Page 88: ...kte batterijen aan de plaatselijke milieuwetgeving ATEN O Haver risco de explos o se a bateria for substitu da por um tipo de bateria incorreto As baterias devem ser recicladas nos locais apropriados...

Page 89: ...punz tor Bateriile trebuie reciclate dac este posibil Depozitarea bateriilor uzate trebuie s respecte reglement rile locale privind protec ia mediului UPOZORNENIE Ak bat riu vymen te za nespr vny typ...

Page 90: ...Intel Desktop Board DG41TX Technical Product Specification 90...

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