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Technical Reference 

 63 

2.7.2.4  Front Panel Connector 

This section describes the functions of the front panel connector.  Table 31 lists the signal names of 
the front panel connector.  Figure 20 is a connection diagram for the front panel connector. 

Table 31.  Front Panel Connector 

Pin Signal 

In/Out 

Description 

Pin Signal 

In/Out 

Description 

Hard Drive Activity LED 

[Yellow] 

Power LED 

[Green] 

HD_PWR 

Out 

Hard disk LED pull-up 
(750 

) to +5 V 

2 HDR_BLNK_

GRN 

Out 

Front panel green 
LED 

HAD# 

Out 

Hard disk active LED 

HDR_BLNK_
YEL 

Out 

Front panel yellow 
LED 

Reset Switch 

[Purple] 

On/Off Switch 

[Red] 

5 Ground   

Ground 

6 FPBUT_IN In  Power 

switch 

7 FP_RESET# 

In  Reset 

switch 

8 Ground 

 

Ground 

Power Not 

Connected 

+5 

V   Power 

10 

N/C 

 Not 

connected 

 

Pu

rp

le

OM17000

Hard Drive

Activity LED

Reset

Switch

+5 V DC

N/C

Power
Switch

8

6

4

2

9

7

5

3

1

+

Single-colored

Power LED

+

Dual-colored

Power LED

+

Yel

low

Green

R

ed

 

Figure 20.  Connection Diagram for Front Panel Connector 

Summary of Contents for BLKD955XBKLKR - 10PK 955X LGA775 8GB DDR2 16X

Page 1: ...ntain 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 D955XBK Specification Update Intel Desktop Board D955XBK Technical Product Specification ...

Page 2: ...her 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 information does not provide any license express or implied by estoppel or otherwise to any such patents trademarks copyrights or other intellectual prope...

Page 3: ...ption 1 A description of the hardware used on the Desktop Board D955XBK 2 A map of the resources of the Desktop Board 3 The features supported by the BIOS Setup program 4 A description of the BIOS error messages beep codes and POST codes Typographical Conventions This section contains information about the conventions used in this specification Not all of these symbols and abbreviations appear in ...

Page 4: ...s a connector located at 5J It is the first connector in the 5J area GB Gigabyte 1 073 741 824 bytes GB sec Gigabytes per second Gbits sec Gigabits per second 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 Mbits sec Megabits per second xxh An address or data value ending with a lowerca...

Page 5: ...Diskette Drive Controller 26 1 10 4 Keyboard and Mouse Interface 26 1 11 Audio Subsystem 27 1 11 1 Audio Subsystem Software 27 1 11 2 Audio Connectors 27 1 11 3 8 Channel 7 1 Audio Subsystem 28 1 11 4 6 Channel 5 1 Audio Subsystem 30 1 12 LAN Subsystem 31 1 12 1 Intel 82573E 82573V 82574V Gigabit Ethernet Controller 31 1 12 2 RJ 45 LAN Connector with Integrated LEDs 31 1 12 3 Alert Standard Format...

Page 6: ...ent Capability 72 2 10 4 Power Supply Considerations 72 2 11 Thermal Considerations 73 2 12 Reliability 75 2 13 Environmental 76 2 14 Regulatory Compliance 77 2 14 1 Safety Regulations 77 2 14 2 EMC Regulations 77 2 14 3 European Union Declaration of Conformity Statement 78 2 14 4 Recycling Considerations 79 2 14 5 Product Certification Markings Board Level 80 3 Overview of BIOS Features 3 1 Intro...

Page 7: ...nt Back Panel Audio Connector Options for 6 Channel 5 1 Audio Subsystem 30 12 6 Channel 5 1 Audio Subsystem Block Diagram 30 13 LAN Connector LED Locations 31 14 Sensors and Fan Connectors 35 15 Location of the Standby Power Indicator LED 42 16 Detailed System Memory Address Map 46 17 Back Panel Connectors for 8 Channel 7 1 Audio Subsystem 54 18 Back Panel Connectors for 6 Channel 5 1 Audio Subsys...

Page 8: ...nnector Optional 59 24 Serial ATA Connectors 59 25 Auxiliary Power Output Connector 59 26 Main Power Connector 61 27 Processor Power Connector 2 x 4 Pin 61 28 Processor Power Connector 2 x 2 Pin 61 29 Alternate Power Connector 61 30 Auxiliary Front Panel Power Sleep LED Connector 62 31 Front Panel Connector 63 32 States for a One Color Power LED 64 33 States for a Two Color Power LED 64 34 BIOS Se...

Page 9: ...t 21 1 6 Discrete Serial ATA Interface Optional 24 1 7 PCI Express Connectors 24 1 8 Auxiliary Power AUX PWR Output Connector Optional 25 1 9 IEEE 1394a b Connectors Optional 25 1 10 I O Controller 26 1 11 Audio Subsystem 27 1 12 LAN Subsystem 31 1 13 Hardware Management Subsystem 34 1 14 Power Management 36 1 15 Trusted Platform Module Optional 43 ...

Page 10: ... I O controller USB Support for USB 2 0 devices Peripheral Interfaces Eight USB ports One serial port One parallel port Four Serial ATA interfaces with RAID support One Parallel ATA IDE interface with UDMA 33 ATA 66 100 support One diskette drive interface PS 2 keyboard and mouse ports BIOS Intel BIOS resident in the FWH or SPI Flash device Support for Advanced Configuration and Power Interface AC...

Page 11: ...bsystem with five analog audio outputs and two S PDIF digital audio outputs coaxial and optical using the Sigmatel 9221 audio codec 6 channel 5 1 audio subsystem with three analog audio outputs using the Sigmatel 9220 audio codec Auxiliary AUX Power Output Connector Provides power for internal chassis lighting Discrete SATA RAID controller Silicon Image Sil 3114 SATA RAID controller Four SATA conn...

Page 12: ...2 1 1 3 Board Layout Figure 1 shows the location of the major components OM17719 H C E L I K M N Q S R T U V W Y X Z BB DD FF AA GG EE CC NN OO MM KK II HH JJ F G A P B D J O LL Figure 1 Desktop Board Components Table 3 lists the components identified in Figure 1 ...

Page 13: ...l B sockets 2 R I O controller S Power connector T Diskette drive connector U Parallel ATE IDE connector V Battery W Front chassis fan connector X BIOS Setup configuration jumper block Y Firmware Hub FWH Z Chassis intrusion connector AA Serial ATA connectors ICH7 R RAID 4 BB Front panel USB connectors 2 CC Auxiliary front panel power LED connector DD Front panel connector EE SCSI Hard Drive Activi...

Page 14: ...s x16 Interface PCI Express x16 Connector PCI Bus SMBus High Definition Audio Link USB Dual Channel Memory Bus SMBus PCI Slot 1 PCI Slot 2 PCI Slot 3 Mic In Retasking Jack Line In Retasking Jack S PDIF SATA IDE Connectors 4 SATA IDE Interface Channel A DIMMs 2 Channel B DIMMs 2 Back Panel Front Panel USB Ports Surround Left Right Retasking Jack Center and LFE Retasking Jack Front Panel Mic In Fron...

Page 15: ...ware and utilities http www intel com design motherbd LAN software and drivers http www intel com design motherbd 1 3 Processor The board is designed to support Intel Pentium 4 processors in an LGA775 processor socket with a 1066 or 800 MHz system bus See the Intel web site listed below for the most up to date list of supported processors For information about Refer to Supported processors for the...

Page 16: ...ory settings for optimum performance If non SPD memory is installed the BIOS will attempt to correctly configure the memory settings but performance and reliability may be impacted or the DIMMs may not function under the determined frequency Table 4 lists the supported DIMM configurations Table 4 Supported Memory Configurations DIMM Capacity Configuration Note 1 SDRAM Density SDRAM Organization Fr...

Page 17: ...ls the slowest memory timing will be used 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 w...

Page 18: ...nel A DIMM 1 Channel B DIMM 0 Channel B DIMM 1 1 GB 1 GB Figure 4 Dual Channel Interleaved Mode Configuration with Two DIMMs Figure 5 shows a dual channel configuration using three DIMMs In this example the combined capacity of the two DIMMs in Channel A equal the capacity of the single DIMM in the DIMM0 blue socket of Channel B OM17122 Channel A DIMM 0 Channel A DIMM 1 Channel B DIMM 0 Channel B ...

Page 19: ... the two DIMMs in Channel A equal the combined capacity of the two DIMMs in Channel B Also the DIMMs are matched between DIMM0 and DIMM1 of both channels OM17124 Channel A DIMM 0 Channel A DIMM 1 Channel B DIMM 0 Channel B DIMM 1 256 MB 256 MB 512 MB 512 MB Figure 6 Dual Channel Interleaved Mode Configuration with Four DIMMs ...

Page 20: ...not populated OM17125 Channel A DIMM 0 Channel A DIMM 1 Channel B DIMM 0 Channel B DIMM 1 256 MB Figure 7 Single Channel Asymmetric Mode Configuration with One DIMM Figure 8 shows a single channel configuration using three DIMMs In this example the combined capacity of the two DIMMs in Channel A does not equal the capacity of the single DIMM in the DIMM0 blue socket of Channel B OM17126 Channel A ...

Page 21: ...s are implemented with dual stacked back panel connectors adjacent to the audio connectors Four ports are routed to two separate front panel USB connectors NOTES 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 shielded cable that meets the requirements for full speed devices For information a...

Page 22: ...of the Parallel ATA IDE connector Figure 19 page 56 1 5 2 2 Serial ATA Interfaces The ICH7 R s Serial ATA controller offers four independent Serial ATA ports with a theoretical maximum transfer rate of 3 Gbits sec per port One device can be installed on each port for a maximum of four Serial ATA devices A point to point interface is used for host to device connections unlike Parallel ATA IDE which...

Page 23: ...l across several drives and distributes parity among the drives no single disk is devoted to parity Because parity data is distributed on each drive read performance tends to be lower than other RAID types RAID 5 requires the use of three or four drives 1 5 2 4 SCSI Hard Drive Activity LED Connector Optional The SCSI hard drive activity LED connector is a 1 x 2 pin connector that allows an add in ...

Page 24: ... the form of a physical x16 connector with electrical routing of x4 It is important to note that this connector is an electrical equivalent of a PCI Express x4 bus add in card connector This connector supports x4 and x1 PCI Express add in cards One PCI Express x1 connector The x1 interface supports simultaneous transfers up to 500 MBytes sec INTEGRATOR S NOTE Although the PCI Express specification...

Page 25: ... names of the optional auxiliary power output connector Table 25 page 59 1 9 IEEE 1394a b Connectors Optional The optional IEEE 1394 interface addresses interconnection of both computer peripherals and consumer electronics with these features IEEE 1394a and IEEE 1394b operation Support for up to 63 peer to peer devices Operation ranging from 100 Mbits sec to 800 Mbits sec depending on cable type C...

Page 26: ...l bus power management support The BIOS Setup program provides configuration options for the I O controller 1 10 1 Serial Port The board has one serial port connector located on the back panel The serial port supports data transfers at rates of up to 115 2 kbits sec with BIOS support For information about Refer to The location of the serial port A connector Figure 18 page 55 1 10 2 Parallel Port T...

Page 27: ...B 1 11 1 Audio Subsystem Software Audio software and drivers are available from Intel s World Wide Web site For information about Refer to Obtaining audio software and drivers Section 1 2 page 15 1 11 2 Audio Connectors The board contains audio connectors on both the back panel and the component side of the board The component side audio connectors include the following Front panel audio a 2 x 5 p...

Page 28: ...rs are configurable through the audio device drivers The available configurable audio ports are shown in Figure 9 Side Surround Left and Right Line In Retasking Jack Blue Line Out Retasking Jack Lime Green Mic In Retasking Jack Pink OM17555 Mic In Front Panel Audio Connectors Line Out Surround Left and Right Retasking Jack Black Center channel and LFE Subwoofer Retasking Jack Orange S PDIF Digital...

Page 29: ...l 9221 Audio Codec Line Out Retasking Jack Front Panel Line Out CD ROM optional Side Surround L R Line In Retasking Jack Mic In Retasking Jack S PDIF Surround Left Right Retasking Jack Center and LFE Retasking Jack Front Panel Mic In Figure 10 8 channel 7 1 Audio Subsystem Block Diagram For information about Refer to The back panel audio connectors Section 2 7 1 page 53 ...

Page 30: ...el Audio Connectors Line In Retasking Jack Line Out Retasking Jack Mic In Retasking Jack OM17560 Mic In Front Panel Audio Connectors Line Out Figure 11 Front Back Panel Audio Connector Options for 6 Channel 5 1 Audio Subsystem Figure 12 is a block diagram of the 6 channel 5 1 audio subsystem 82801GR I O Controller Hub ICH7 R OM17554 Intel High Definition Audio Link Sigmatel 9220 Audio Codec Line O...

Page 31: ...ice driver compatibility PCI Express Power Management Support The 82573E Gigabit Ethernet Controller also supports Alert Standard Format ASF 2 0 1 12 2 RJ 45 LAN Connector with Integrated LEDs Two LEDs are built into the RJ 45 LAN connector as shown in Figure 13 Table 5 describes the LED states when the board is powered up and the Gigabit LAN subsystem is operating Green LED Green Yellow LED OM165...

Page 32: ...b site 1 12 4 Intel Active Management Technology AMT Optional Intel Active Management Technology AMT offers IT organizations tamper resistant and persistent management capabilities Specifically Intel AMT is a hardware based solution that offers encrypted and persistent asset management and remote diagnostics and or recovery capabilities for networked platforms With Intel AMT IT organizations can e...

Page 33: ...ment of PCs regardless of system power or operating system state SSL3 1 TLS encryption HTTP authentication TCP IP HTTP web GUI XML SOAP API Remote troubleshooting and recovery that can significantly reduce desk side visits and potentially increasing efficiency of IT technical staff System event log IDE R or PXE boot Network drive or remote CD boot Serial over LAN OOB diagnostics Remote control Rem...

Page 34: ... and fan control ASIC Thermal and voltage monitoring Chassis intrusion detection 1 13 1 Hardware Monitoring and Fan Control ASIC The features of the hardware monitoring and fan control ASIC include Internal ambient temperature sensor Two remote thermal diode sensors for direct monitoring of processor temperature and ambient temperature sensing Power supply monitoring of five voltages 5 V 12 V 3 3 ...

Page 35: ...1 3 3 1 1 4 Item Description A Remote ambient temperature sensor B Thermal diode located on processor die C Ambient temperature sensor internal to hardware monitoring and fan control ASIC D Processor fan connector E Rear chassis fan connector F Front chassis fan connector G Auxiliary rear fan connector Figure 14 Sensors and Fan Connectors ...

Page 36: ...ced Configuration and Power Interface ACPI Hardware support Power connector Fan connectors LAN wake capabilities Instantly Available PC technology Resume on Ring Wake from USB Wake from PS 2 devices Power Management Event signal PME wake up support PCI Express WAKE signal support 1 14 1 ACPI ACPI gives the operating system direct control over the power management and Plug and Play functions of a c...

Page 37: ...working state More than four seconds Fail safe power off ACPI G2 G5 Soft off Sleep ACPI G1 sleeping state Less than four seconds Wake up ACPI G0 working state Sleep ACPI G1 sleeping state More than four seconds Power off ACPI G2 G5 Soft off 1 14 1 1 System States and Power States Under ACPI the operating system directs all system and device power state transitions The operating system puts devices...

Page 38: ...pend 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 saved Cold boot is required No power D3 no power except for wake up logic Power 5 W Note 2 G3 mechanical off AC power is disconnected from the computer ...

Page 39: ...ivers and peripherals must fully support ACPI wake events 1 14 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 to do so can damage the power supply The total amount of standby current required depends on the wake devices supported and manufacturing options The boar...

Page 40: ...he hardware monitoring and fan control ASIC All fan connectors support closed loop fan control that can adjust the fan speed or switch the fan on or off as needed All fan connectors have a 12 V DC connection For information about Refer to The location of the fan connectors Figure 19 page 56 The location of the fan connectors and sensors for thermal monitoring Figure 14 page 35 The signal names of ...

Page 41: ... 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 system support and PCI 2 2 compliant add in cards PCI Express add in cards and drivers 1 14 2 5 Resume on Ring The operation of Resume on Ring can be summarized as follows Resumes operation from ACPI S1 or S3 states Detects incomi...

Page 42: ... to be off Figure 15 shows the location of the standby power indicator LED on the D955XBK board 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 OM17721 CR3J1 Figure 15 Location of the Standby Power Indicat...

Page 43: ...iding a protected space for key operations and other security critical tasks Using both hardware and software the TPM protects encryption and signature keys at their most vulnerable stages operations when the keys are being used unencrypted in plain text form The TPM is specifically designed to shield unencrypted keys and platform authentication information from software based attacks For informat...

Page 44: ...Intel Desktop Board D955XBK Technical Product Specification 44 ...

Page 45: ... of system memory installed it is not possible to use all of the installed memory due to system address space being allocated for other system critical functions These functions include the following BIOS firmware hub 2 MB Local APIC 19 MB Digital Media Interface 40 MB Front side bus interrupts 17 MB PCI Express configuration space 256 MB MCH base address registers internal graphics ranges PCI Exp...

Page 46: ... 768 KB 640 KB 0 KB 0FFFFFH 0F0000H 0EFFFFH 0E0000H 0DFFFFH 0C0000H 0BFFFFH 0A0000H 09FFFFH 00000H FLASH APIC Reserved 0 MB 640 KB 1 MB Top of usable DRAM memory visible to the operating system PCI Memory Range contains PCI chipsets Direct Media Interface DMI and ICH ranges approximately 750 MB DOS Compatibility Memory DRAM Range OM17801 20 MB 8 GB Top of System Address Space Upper 4 GB of address...

Page 47: ...PCI Conventional bus Dependent on video adapter used 640 K 800 K A0000 C7FFF 160 KB Video memory and BIOS 639 K 640 K 9FC00 9FFFF 1 KB Extended BIOS data movable by memory manager software 512 K 639 K 80000 9FBFF 127 KB Extended conventional memory 0 K 512 K 00000 7FFFF 512 KB Conventional memory 2 2 DMA Channels Table 10 DMA Channels DMA Channel Number Data Width System Resource 0 8 or 16 bits Op...

Page 48: ... 03F0 03F5 6 bytes Diskette channel 03F4 03F7 1 byte Primary Parallel ATA IDE channel control block 03F8 03FF 8 bytes COM1 04D0 04D1 2 bytes Edge level triggered PIC LPTn 400 8 bytes ECP port LPTn base address 400h 0CF8 0CFB Note 2 4 bytes PCI Conventional bus configuration address register 0CF9 Note 3 1 byte Reset control register 0CFC 0CFF 4 bytes PCI Conventional bus configuration data register...

Page 49: ...1C 02 PCI Express port 3 00 1C 03 PCI Express port 4 not used 00 1D 00 USB UHCI controller 1 00 1D 01 USB UHCI controller 2 00 1D 02 USB UHCI controller 3 00 1D 03 USB UHCI controller 4 00 1D 07 EHCI controller 00 1E 00 PCI bridge 00 1F 00 PCI controller 00 1F 01 Parallel ATA IDE controller 00 1F 02 Serial ATA controller 00 1F 03 SMBus controller Note 00 00 Gigabit Ethernet Controller Note 00 00 P...

Page 50: ...e PIC 3 User available 4 COM1 Note 1 5 User available 6 Diskette drive 7 LPT1 Note 1 8 Real time clock 9 User available 10 User available 11 User available 12 Onboard mouse port if present else user available 13 Reserved math coprocessor 14 Primary Parallel ATA Serial ATA Legacy Mode if present else user available 15 Secondary Parallel ATA Serial ATA Legacy Mode if present else user available 16 N...

Page 51: ...ory For almost all cards that require more than one interrupt the first interrupt on the card is also classified as INTA INTB Generally the second interrupt on add in cards that require two or more interrupts is classified as INTB This is not an absolute requirement INTC and INTD Generally a third interrupt on add in cards is classified as INTC and a fourth interrupt is classified as INTD The ICH7...

Page 52: ...TC INTA INTB NOTE In PIC mode the ICH7 R can connect each PIRQ line internally to one of the IRQ signals 3 4 5 6 7 9 10 11 12 14 and 15 Typically a device that does not share a PIRQ line will have a unique interrupt However in certain interrupt constrained situations it is possible for two or more of the PIRQ lines to be connected to the same IRQ signal Refer to Table 13 for the allocation of PIRQ...

Page 53: ...e external devices could cause damage to the computer the power cable and the external devices themselves This section describes the board s connectors The connectors can be divided into these groups Back panel I O connectors Component side I O connectors see page 56 2 7 1 Back Panel Connectors The back panel configuration is dependent upon which audio subsystem is present The configurations are a...

Page 54: ... connector is designed to power headphones or amplified speakers only Poor audio quality occurs if passive non amplified speakers are connected to this output Table 15 Back Panel Connectors Shown in Figure 17 Item callout from Figure 17 Description A PS 2 mouse port Green B PS 2 keyboard port Purple C Serial port A Teal D Parallel port Burgundy E Digital audio out coaxial F IEEE 1394a connector G ...

Page 55: ...back panel connectors identified in Figure 18 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 Table 16 Back Panel Connectors Shown in Figure 18 Item callout from Figure 18 Description A PS 2 mouse port Green B PS 2 keyboard port Purple C Serial port A Tea...

Page 56: ...e connectors OM17728 H J K L N M O P Q R S V X T U BB AA Z Y W EE DD GG HH FF I B D C E F G CC 4 1 1 4 1 9 2 10 1 4 1 3 4 1 8 5 1 4 40 39 2 1 34 33 2 1 24 2 23 1 1 7 2 10 1 3 1 1 1 1 1 1 2 1 2 1 2 10 1 4 9 2 1 1 1 1 1 1 2 10 1 2 10 A Figure 19 D955XBK Component side Connectors Table 17 lists the component side connectors identified in Figure 19 ...

Page 57: ...onnector N Power connector O Diskette drive connector P Parallel ATA IDE connector Q Front chassis fan connector R Chassis intrusion connector S Serial ATA connector 3 ICH7 R RAID T Serial ATA connector 2 ICH7 R RAID U Serial ATA connector 0 ICH7 R RAID V Serial ATA connector 1 ICH7 R RAID W Auxiliary front panel power LED connector X Front panel connector Y Front panel USB connector Z Auxiliary p...

Page 58: ...ort E Port 1 Right Channel 4 Presence dongle present 5 Port F Port 2 Right Channel 6 Port E Port 1 Sense return jack detection 7 Port E Port 1 and Port F Port 2 Sense send jack detection 8 Key 9 Port F Port 2 Left Channel 10 Port F Port 2 Sense return jack detection INTEGRATOR S NOTE The front panel audio connector is colored yellow Table 20 Front Chassis Fan and Rear Chassis Fan Connectors Pin Si...

Page 59: ...ound Table 23 SCSI Hard Drive Activity LED Connector Optional Pin Signal Name 1 ACT 2 No connect Table 24 Serial ATA Connectors Pin Signal Name 1 Ground 2 TXP 3 TXN 4 Ground 5 RXN 6 RXP 7 Ground Table 25 Auxiliary Power Output Connector Optional Pin Signal Name 1 12 V 2 Ground 3 Ground 4 5 V ...

Page 60: ...onal power when using high power 75 W or greater add in cards in both the PCI Express x16 and the Secondary PCI Express x16 x4 bus add in card connectors CAUTION Regardless of the connector type 2 x 4 or a 2 x 2 the Processor power connector must always be used Failure to do so will prevent the board from booting If the board is equipped with a 2 x 4 power connector you must use a power supply wit...

Page 61: ...t 9 5 V Standby 21 5 V 10 12 V 22 5 V 11 12 V 23 5 V 12 2 x 12 connector detect 24 Ground Table 27 Processor Power Connector 2 x 4 Pin Pin Signal Name Pin Signal Name 1 Ground 5 12 V Rail 1 2 Ground 6 12 V Rail 1 3 Ground 7 12 V Rail 2 4 Ground 8 12 V Rail 2 Table 28 Processor Power Connector 2 x 2 Pin Pin Signal Name Pin Signal Name 1 Ground 2 12 V 2 Ground 4 12 V Table 29 Alternate Power Connect...

Page 62: ...ensor data and other information residing on the Desktop Board Note the following considerations for the PCI Conventional bus connectors All of the PCI Conventional bus connectors are bus master capable SMBus signals are routed to PCI Conventional bus connector 2 This enables PCI Conventional bus add in boards with SMBus support to access sensor data on the Desktop Board The specific SMBus signals...

Page 63: ...ower LED Green 1 HD_PWR Out Hard disk LED pull up 750 Ω to 5 V 2 HDR_BLNK_ GRN Out Front panel green LED 3 HAD Out Hard disk active LED 4 HDR_BLNK_ YEL Out Front panel yellow LED Reset Switch Purple On Off Switch Red 5 Ground Ground 6 FPBUT_IN In Power switch 7 FP_RESET In Reset switch 8 Ground Ground Power Not Connected 9 5 V Power 10 N C Not connected Purple OM17000 Hard Drive Activity LED Reset...

Page 64: ...can be connected to a one or two color LED Table 32 shows the possible states for a one color LED Table 33 shows the possible states for a two color LED Table 32 States for a One Color Power LED LED State Description Off Power off sleeping Steady Green Running Table 33 States for a Two Color Power LED LED State Description Off Power off Steady Green Running Steady Yellow Sleeping NOTE The colors l...

Page 65: ...r is fused Pins 1 3 5 and 7 comprise one USB port Pins 2 4 6 and 8 comprise one USB port Use only a front panel USB connector that conforms to the USB 2 0 specification for high performance USB devices OM15963 8 6 4 2 7 5 3 1 Key no pin No Connect 10 Power 5 V DC D D Ground D Ground D Power 5 V DC One USB Port One USB Port Figure 21 Connection Diagram for Front Panel USB Connectors ...

Page 66: ...07 8 6 4 2 7 5 3 1 Key no pin 10 TPA 12 V DC TPA Ground TPB TPB Ground Ground 12 V DC Figure 22 Connection Diagram for Front Panel IEEE 1394a b Connectors INTEGRATOR S NOTES The IEEE 1394a b connectors are different colors one connector is blue the other connector is pink The 12 V DC power on the IEEE 1394a b connectors is fused Each IEEE 1394a b connector provides one IEEE 1394a b port ...

Page 67: ...recovery When the jumper is set to configure mode and the computer is powered up the BIOS compares the processor version and the microcode version in the BIOS and reports if the two match OM17722 J6J2 3 1 Figure 23 Location of the Jumper Block Table 34 BIOS Setup Configuration Jumper Settings Function Mode Jumper Setting Configuration Normal 1 2 1 3 The BIOS uses current configuration information ...

Page 68: ...or for the board Dimensions are given in inches millimeters The outer dimensions are 12 00 inches by 9 60 inches 304 80 millimeters by 243 84 millimeters Location of the I O connectors and mounting holes are in compliance with the ATX specification OM17723 6 100 154 94 3 100 78 74 5 550 140 97 6 450 163 83 6 500 165 10 6 200 157 48 5 200 132 08 2 850 72 39 1 800 45 72 0 00 0 00 4 900 124 46 Figure...

Page 69: ...t Additional design considerations for I O shields relative to chassis requirements are described in the ATX specification NOTE The I O shield drawings in this document are for reference only I O shields compliant with the ATX chassis specification 2 03 are available from Intel Pictorial View 20 0 254 TYP 0 787 0 10 162 3 REF 6 390 159 2 0 12 6 268 0 005 1 6 0 12 0 063 0 005 1 55 REF 0 061 8x R 0 ...

Page 70: ...68 0 005 1 6 0 12 0 063 0 005 1 55 REF 0 061 8x R 0 5 MIN 12 04 0 474 7 012 0 276 Ø 1 00 0 039 0 00 0 00 11 811 0 465 22 45 0 884 8 805 0 347 93 74 3 690 113 63 4 473 146 88 5 783 20 283 0 799 0 00 0 00 26 911 1 059 A A 11 81 0 465 14 17 0 558 OM17815 Figure 26 I O Shield Dimensions for Boards with the 6 Channel 5 1 Audio Subsystem ...

Page 71: ...m and maximum current draw possible from the board s power delivery subsystems to the processor memory and USB ports Use the datasheets for add in cards such as PCI to determine the overall system power requirements The selection of a power supply at the system level is dependent on the system s usage model and not necessarily tied to a particular processor clock frequency Table 35 DC Loading Char...

Page 72: ...TION The 5 V standby line for the power supply must be capable of providing adequate 5 V standby current Failure to do so can damage the power supply The total amount of standby current required depends on the wake devices supported and manufacturing options System integrators should refer to the power usage values listed in Table 35 when selecting a power supply for use with the board Additional ...

Page 73: ...or voltage regulator area OM16996 Figure 27 Example of a Processor Heatsink for Omni directional Airflow CAUTION When using BIOS Setup program options to increase processor voltage and frequency above the supported ranges the temperature in the processor voltage regulator area will rise This area of the board item A in Figure 28 will require increased airflow Direct airflow over the processor volt...

Page 74: ...el 82801GR ICH7 R Figure 28 Localized High Temperature Zones CAUTION Ensure that the ambient temperature does not exceed the board s maximum operating temperature Failure to do so could cause components to exceed their maximum case temperature and malfunction For information about the maximum operating temperature see the environmental specifications in Section 2 13 ...

Page 75: ...2955X MCH 99 o C under bias Intel 82801GR ICH7 R 110 o C under bias NOTE For hardware monitoring application software an alert point of 110 o C is recommended as a starting point for the processor voltage regulator area For information about Refer to Intel Pentium 4 processor datasheets and specification updates Section 1 2 page 15 2 12 Reliability The Mean Time Between Failures MTBF prediction is...

Page 76: ... 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 Change inches sec 20 36 167 21 40 30 152 41 80 24 136 81 100 18 118 Vibration Unpackaged 5 Hz to 20 Hz 0 01 g Hz sloping up to 0 02 g Hz 20 Hz to 500 Hz 0 02 g Hz flat Packaged 5 Hz to 40 Hz 0 015 g Hz flat 40 Hz to ...

Page 77: ...ectly installed in a compatible host system Table 40 EMC Regulations Regulation Title FCC Class B Title 47 of the Code of Federal Regulations Parts 2 and 15 Subpart B Radio Frequency Devices USA ICES 003 Class B Interference Causing Equipment Standard Digital Apparatus Canada EN55022 1998 Class B Limits and methods of measurement of Radio Interference Characteristics of Information Technology Equi...

Page 78: ... the receiving antenna Increase the separation between the equipment and the receiver Connect the equipment to a different electrical branch circuit from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Any changes or modifications to the equipment not expressly approved by Intel Corporation could void the user s authority to operate the equ...

Page 79: ... det europeiske direktivet 89 336 EEC 73 23 EEC Portuguese Este produto cumpre com as normas da Diretiva Européia 89 336 EEC 73 23 EEC Español Este producto cumple con las normas del Directivo Europeo 89 336 EEC 73 23 EEC Svenska Denna produkt har tillverkats i enlighet med EG direktiv 89 336 EEC 73 23 EEC 2 14 4 Recycling Considerations Intel encourages its customers to recycle its products and t...

Page 80: ... The CE mark should also be on the shipping container Australian Communications Authority ACA C Tick mark Includes adjacent Intel supplier code number N 232 The C tick mark should also be on the shipping container Printed wiring board manufacturer s recognition mark consists of a unique UL recognized manufacturer s logo along with a flammability rating solder side V 0 or 94V 0 Lead Free Certificat...

Page 81: ...essage during POST identifying the type of BIOS and a revision code The initial production BIOSs are identified as BK95510J 86A When 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 fo...

Page 82: ...2 1 PCI Autoconfiguration The BIOS automatically configures PCI devices PCI devices may be onboard or add in cards Autoconfiguration lets a user insert or remove PCI cards without having to configure the system When a user turns on the system after adding a PCI card the BIOS automatically configures interrupts the I O space and other system resources Any interrupts set to Available in Setup are co...

Page 83: ... as the BIOS revision level Fixed system data such as peripherals serial numbers and asset tags Resource data such as memory size cache size and processor clock frequency Dynamic data such as event detection and error logging Non Plug and Play operating systems such as Windows NT require an additional interface for obtaining the SMBIOS information The BIOS supports an SMBIOS table interface for su...

Page 84: ...of the system Using this utility the BIOS can be updated from a file on a 1 44 MB diskette or a CD ROM Both utilities verify that the updated BIOS matches the target system to prevent accidentally installing an incompatible BIOS NOTE Review the instructions distributed with the upgrade utility before attempting a BIOS update For information about Refer to The Intel World Wide Web site Section 1 2 ...

Page 85: ...r 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 6 3 Booting Without Attached Devices For use in embedded applications the BIOS has been designed so that after passing the POST the operating system loade...

Page 86: ... 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 Disable Quiet Boot which eliminates display of the logo splash screen This could save several seconds of painting complex graphic images and changing video modes Enable Intel Rapid BIOS Boot This feature bypasses memory count and the ...

Page 87: ...assword 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 to 16 characters ...

Page 88: ...Intel Desktop Board D955XBK Technical Product Specification 88 ...

Page 89: ...odes Type Pattern Frequency Memory error Three long beeps 1280 Hz Thermal warning Four alternating beeps High tone low tone high tone low tone High tone 2000 Hz Low tone 1600 Hz 4 3 BIOS Error Messages Table 47 lists the error messages and provides a brief description of each Table 47 BIOS Error Messages Error Message Explanation CMOS Battery Low The battery may be losing power Replace the battery...

Page 90: ...les listed above all POST codes and range values are listed in hexadecimal Table 48 Port 80h POST Code Ranges Range Category Subsystem 00 0F Debug codes Can be used by any PEIM driver for debug 10 1F Host Processors 1F is an unrecoverable CPU error 20 2F Memory Chipset 2F is no memory detected or no useful memory detected 30 3F Recovery 3F indicated recovery failure 40 4F Reserved for future use 5...

Page 91: ...ontroller 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 resources to PCI bus 52 Hot Plug PCI controller initialization 53 57 Reserved for PCI Bus USB 58 Resetting USB bus 59 Reserved for USB ATA ATAPI SATA 5A Resetting PATA SATA bus and all devices 5B Reserved for ATA SMBus...

Page 92: ... 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 Resetting removable media B9 Disabling removable media BA Detecting presence of a removable media IDE CD ROM detection etc BC Enabling configuring a removable media BDS Dy Trying boot selection y y 0 to 15 ...

Page 93: ...F TBD Unrecoverable Boot failure S3 resume failure Runtime Phase EFI OS Boot F4 Entering Sleep state F5 Exiting Sleep state F8 EFI boot service ExitBootServices has been called F9 EFI runtime service SetVirtualAddressMap has been called FA EFI runtime service ResetSystem has been called PEIMs Recovery 30 Crisis Recovery has initiated per User request 31 Crisis Recovery has initiated by software co...

Page 94: ...ization 13 SMM initialization 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 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 Re...

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