Intel S975XBX2 - Workstation Board Motherboard Specification Download Page 3

 

  

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Preface 

This Technical Product Specification (TPS) specifies the board layout, components, 
connectors, power and environmental requirements, and the BIOS for the Intel

®

 

Workstation Board S975XBX2.  It describes the standard product and available 
manufacturing options. 

Intended Audience 

The TPS is intended to provide detailed, technical information about the Intel 
Workstation Board S975XBX2 and its components to the vendors, system integrators, 
and other engineers and technicians who need this level of information.  It is 
specifically 

not 

intended for general audiences. 

What This Document Contains 

Chapter Description 

 

A description of the hardware used on the Workstation Board S975XBX2 

A map of the resources of the Workstation Board 

The features supported by the BIOS Setup program 

A description of the BIOS error messages, beep codes, and POST codes 

Regulatory compliance and battery disposal information 

Typographical Conventions 

This section contains information about the conventions used in this specification.  Not 
all of these symbols and abbreviations appear in all specifications of this type. 

Notes, Cautions, and Warnings 

 

NOTE 

Notes call attention to important information. 

#

 

INTEGRATOR’S NOTES 

Integrator’s notes are used to call attention to information that may be useful to 
system integrators. 

 CAUTION 

Cautions are included to help you avoid damaging hardware or losing data. 

Summary of Contents for S975XBX2 - Workstation Board Motherboard

Page 1: ...ain 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 Workstation Board S975XBX2 Spe...

Page 2: ...ut 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...

Page 3: ...Chapter Description 1 A description of the hardware used on the Workstation Board S975XBX2 2 A map of the resources of the Workstation Board 3 The features supported by the BIOS Setup program 4 A desc...

Page 4: ...J1 is 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 1...

Page 5: ...s 29 1 9 Legacy I O Controller 29 1 9 1 Serial Port 29 1 9 2 Parallel Port 30 1 9 3 Diskette Drive Controller 30 1 9 4 Keyboard and Mouse Interface 30 1 10 Audio Subsystem 31 1 10 1 Audio Subsystem So...

Page 6: ...side Connectors and Headers 56 2 8 Jumper Block 67 2 9 Mechanical Considerations 68 2 9 1 Form Factor 68 2 9 2 I O Shield 69 2 10 Electrical Considerations 70 2 10 1 DC Loading 70 2 10 2 Add in Board...

Page 7: ...20 4 Dual Channel Interleaved Mode Configuration with Two DIMMs 21 5 Dual Channel Interleaved Mode Configuration with Three DIMMs 21 6 Dual Channel Interleaved Mode Configuration with Four DIMMs 22 7...

Page 8: ...nal 58 18 Front Panel Audio Header 58 19 Front Chassis Rear Chassis and MCH Fan Headers 58 20 Processor Fan and Auxiliary Rear Fan Header 58 21 Chassis Intrusion Header 59 22 SCSI Hard Drive Activity...

Page 9: ...r Messages 85 43 Port 80h POST Code Ranges 86 44 Port 80h POST Codes 87 45 Typical Port 80h POST Sequence 90 46 Safety Regulations 91 47 Lead Free Board Markings 96 48 EMC Regulations 97 49 Product Ce...

Page 10: ...Intel Workstation Board S975XBX2 Technical Product Specification x...

Page 11: ...System Memory 18 1 5 Intel 975X Chipset 24 1 6 Discrete Serial ATA Interface 27 1 7 PCI Express Connectors 28 1 8 IEEE 1394a Connectors 29 1 9 Legacy I O Controller 29 1 10 Audio Subsystem 31 1 11 LA...

Page 12: ...emory Support for ECC and non ECC memory Chipset Intel 975X Chipset consisting of Intel 82975X Memory Controller Hub MCH Intel 82801GR I O Controller Hub ICH7 R Audio Intel High Definition Audio subsy...

Page 13: ...OM drive to the audio mixer Audio Subsystem Intel High Definition Audio subsystem in 6 channel 5 1 audio subsystem with three analog audio outputs using the Sigmatel 9227 audio codec Auxiliary PCI Exp...

Page 14: ...ation 14 For information about Refer to Available configurations for the board Section 1 2 page 17 1 1 3 Board Layout Figure 1 shows the location of the major components Figure 1 Workstation Board Com...

Page 15: ...API CD ROM connector optional M Processor core power connector N Memory Controller Hub MCH fan header optional O LGA775 processor socket P Intel 82975X MCH Q DIMM Channel A sockets 2 R Processor fan h...

Page 16: ...PCI Bus SMBus High Definition Audio Link USB Dual Channel Memory Bus SMBus PCI Slot 1 PCI Slot 2 Mic In Retasking Jack Line In Retasking Jack S PDIF SATA IDE Connectors 4 SATA IDE Interface Channel A...

Page 17: ...treme Processor in an LGA775 socket with a 1066 MHz system bus Intel Core 2 Duo Processor in an LGA775 socket with a 1066 MHz system bus Intel Pentium Processor Extreme Edition in an LGA775 socket wit...

Page 18: ...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 attempt to correctly configure the memory sett...

Page 19: ...DDR2 800 memory is used with a 533 MHz system bus frequency processor the memory will operate at 533 MHz Table 5 lists the resulting operating memory frequencies based on the combination of DIMMs and...

Page 20: ...re used between channels 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 us...

Page 21: ...1 Channel B DIMM 0 Channel B DIMM 1 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 capac...

Page 22: ...combined capacity of 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 OM18529 256 MB 256 MB Cha...

Page 23: ...0 1 GB Channel A DIMM 0 Channel A DIMM 1 Channel B DIMM 0 Channel B DIMM 1 Figure 7 Single Channel Asymmetric Mode Configuration with One DIMM Figure 8 shows a single channel configuration using three...

Page 24: ...er intel com Resources used by the chipset Chapter 2 1 5 1 USB The board supports up to eight USB 2 0 ports supports UHCI and EHCI and uses UHCI and EHCI compatible drivers The ICH7 R provides the USB...

Page 25: ...nd ATA 100 are faster timings and require a specialized cable to reduce reflections noise and inductive coupling The Parallel ATA IDE interface also supports ATAPI devices such as CD ROM drives and AT...

Page 26: ...er should be wired to the LED output of the add in hard drive controller The LED indicates when data is being read from or written to either the add in hard drive controller or the onboard IDE control...

Page 27: ...theoretical maximum transfer rate of 3 Gbits sec per port The discrete SATA interface supports the following RAID levels RAID 0 RAID 1 NOTE The Marvell 88SE6145 controller supports single drive non R...

Page 28: ...bus add in card connector If you are installing two PCI Express Graphics cards install them in the Primary PCI Express x16 electrical x16 or x8 bus add in card connector and the Secondary PCI Express...

Page 29: ...ation about Refer to The location of the back panel IEEE 1394a connector Error Reference source not found page Error Bookmark not defined The location of the front panel IEEE 1394a header Figure 16 pa...

Page 30: ...cy I O controller supports one diskette drive Use the BIOS Setup program to configure the diskette drive interface For information about Refer to The location of the diskette drive connector on the S9...

Page 31: ...orld Wide Web site For information about Refer to Obtaining audio software and drivers Section 1 2 page 17 1 10 2 Audio Connectors The board contains audio connectors and headers on both the back pane...

Page 32: ...ectors are configurable through the audio device drivers The available configurable audio ports are shown in Figure 10 OM18469 Line In Retasking Jack Blue Mic In Retasking Jack Pink Line Out Retasking...

Page 33: ...ement Support The 82573E Gigabit Ethernet Controller supports Alert Standard Format ASF 2 0 and Intel Active Management Technology Intel AMT 1 11 2 RJ 45 LAN Connector with Integrated LEDs Two LEDs ar...

Page 34: ...ntel Active Management Technology Intel Active Management Technology Intel AMT offers IT organizations tamper resistant and persistent management capabilities Specifically Intel AMT is a hardware base...

Page 35: ...ent 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 re...

Page 36: ...rmal and voltage monitoring Chassis intrusion detection Support for Product Environmental Control Interface PECI 1 12 1 Hardware Monitoring and Fan Control ASIC The features of the hardware monitoring...

Page 37: ...Description A Thermal diode located on processor die B Ambient temperature sensor internal to hardware monitoring and fan control ASIC C Remote ambient temperature sensor D Processor fan header E Rear...

Page 38: ...dvanced Configuration and Power Interface ACPI Hardware support Power connector Fan headers LAN wake capabilities Instantly Available PC technology Resume on Ring Wake from USB Wake from PS 2 devices...

Page 39: ...orking 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 fou...

Page 40: ...spend 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 logi...

Page 41: ...tate requires an operating system that provides full ACPI support In addition software drivers and peripherals must fully support ACPI wake events 1 13 2 Hardware Support CAUTION Ensure that the power...

Page 42: ...ast Power State feature in the BIOS Setup program s Boot menu For information about Refer to The location of the main power connector Figure 16 page 56 The signal names of the main power connector Tab...

Page 43: ...urrent 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...

Page 44: ...bled in the BIOS 1 13 2 9 WAKE Signal Wake up Support When the WAKE signal on the PCI Express bus is asserted the computer wakes from an ACPI S1 S3 S4 or S5 state 1 13 2 10 5 V Standby Power Indicator...

Page 45: ...g 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...

Page 46: ......

Page 47: ...tem memory On a system that has 8 GB 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 Th...

Page 48: ...ry SMM Memory 128 KB DOS area 640 KB 1 MB 960 KB 896 KB 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 us...

Page 49: ...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...

Page 50: ...0 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 ad...

Page 51: ...dge 00 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 0...

Page 52: ...ascade interrupt from slave 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 p...

Page 53: ...his 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 R ICH7 DH has eight Programmabl...

Page 54: ...ide the computer s chassis such as fans and internal peripherals Do not use these connectors or headers to power devices external to the computer s chassis A fault in the load presented by the externa...

Page 55: ...2 keyboard port C Serial port A D Parallel port E USB ports four F LAN G Audio line in Retasking Jack C H Mic in Retasking Jack B I Front left right channel audio out Two channel audio line out Retask...

Page 56: ...cation 56 2 7 2 Component side Connectors and Headers Figure 16 shows the locations of the component side connectors and headers Figure 16 Component side Connectors and Headers Table 16 lists the comp...

Page 57: ...ional K Processor core power connector L MCH fan header optional M Processor fan header N Main power connector O Diskette drive connector P Chassis intrusion header Q Parallel ATA IDE connector R Seri...

Page 58: ...Ground 3 Port 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 K...

Page 59: ...ssis Intrusion Header Pin Signal Name 1 Intruder 2 Ground Table 22 SCSI Hard Drive Activity LED Header Pin Signal Name 1 ACT 2 No connect Table 23 Serial ATA Connectors Pin Signal Name 1 Ground 2 TXP...

Page 60: ...W or greater add in cards in either or both the Secondary PCI Express x16 electrical x8 and the PCI Express x16 electrical x4 bus add in card connectors CAUTION Regardless of the connector type 2 x 4...

Page 61: ...ndby 21 5 V 10 12 V 22 5 V 11 12 V 23 5 V 12 2 x 12 connector detect 24 Ground Table 25 Processor Core Power Connector 2 x 4 Pin Pin Signal Name Pin Signal Name 1 Ground 5 12 V Rail 1 2 Ground 6 12 V...

Page 62: ...t bus two PCI Conventional bus add in card connectors Note the following considerations for the PCI Conventional bus connectors All of the PCI Conventional bus connectors are bus master capable SMBus...

Page 63: ...Orange Power LED Green 1 HD_PWR Out Hard disk LED pull up 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 Blue...

Page 64: ...be connected to a one or two color LED Table 30 shows the possible states for a one color LED Table 31 shows the possible states for a two color LED Table 30 States for a One Color Power LED LED Stat...

Page 65: ...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 OM...

Page 66: ...diagram for the IEEE 1394a header OM18316 Key no pin TPA 12 V DC TPA Ground TPB TPB Ground Ground 12 V DC 10 8 7 6 5 4 2 1 3 Figure 19 Connection Diagram for Front Panel IEEE 1394a Header INTEGRATOR...

Page 67: ...and 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 Figure 2...

Page 68: ...an ATX form factor chassis Figure 21 illustrates the mechanical form factor for the board Dimensions are given in inches millimeters The outer dimensions are 12 00 inches by 9 60 inches 304 80 millim...

Page 69: ...ations 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 c...

Page 70: ...igurations but are based on the minimum 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 P...

Page 71: ...pply Considerations CAUTION 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...

Page 72: ...low to maintain required airflow across the processor voltage regulator area CAUTION When using BIOS Setup program options to increase processor voltage and frequency above the supported ranges the te...

Page 73: ...23 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 maximu...

Page 74: ...d processor specification updates Processor voltage regulator area 120 o C under bias NOTE For hardware monitoring application software an alert point of 110 o C is recommended as a starting point for...

Page 75: ...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...

Page 76: ...Intel Workstation Board S975XBX2 Technical Product Specification 76...

Page 77: ...ction BIOSs are identified as BX97520J 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...

Page 78: ...uration values for the current menu F10 Save the current values and exits the BIOS Setup program Esc Exits the menu 3 2 Resource Configuration 3 2 1 PCI Autoconfiguration The BIOS automatically config...

Page 79: ...n the system types capabilities operational status and installation dates for system components The MIF database defines the data and provides the method for accessing this information The BIOS enable...

Page 80: ...the operating system and Legacy USB support from the BIOS is no longer used To install an operating system that supports USB follow the operating system s installation instructions 3 6 BIOS Updates Th...

Page 81: ...ette drive hard drives CD ROM or the network The default setting is for the diskette drive to be the first boot device the hard drive second and the ATAPI CD ROM third The fourth device is disabled 3...

Page 82: ...3 7 4 Changing the Default Boot Device During POST Pressing the F10 key during POST causes a boot device menu to be displayed This menu displays the list of available boot devices as set in the BIOS...

Page 83: ...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 84: ...Intel Workstation Board S975XBX2 Technical Product Specification 84...

Page 85: ...des 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...

Page 86: ...tables listed above all POST codes and range values are listed in hexadecimal Table 43 Port 80h POST Code Ranges Range Category Subsystem 00 0F Debug codes Can be used by any PEIM driver for debug 10...

Page 87: ...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 buses 51 Allocating resources to PCI bu...

Page 88: ...g 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 Reset...

Page 89: ...I 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 ResetSy...

Page 90: ...alization 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 Keyboar...

Page 91: ...atible host system Table 46 Safety Regulations Regulation Title UL 60950 1 2003 CSA C22 2 No 60950 1 03 Information Technology Equipment Safety Part 1 General Requirements USA and Canada EN 60950 1 20...

Page 92: ...gences de la Directive Europ enne 89 336 EEC 73 23 EEC Deutsch Dieses Produkt entspricht den Bestimmungen der Europ ischen Richtlinie 89 336 EEC 73 23 EEC 89 336 73 23 Magyar E term k megfelel a 89 33...

Page 93: ...y concerns and regulations 5 1 3 1 Disposal Considerations This product contains the following materials that may be regulated upon disposal lead solder on the printed wiring board assembly 5 1 3 2 Re...

Page 94: ...ther ehs product_ecology Recycling_Program htm para ver los detalles del programa que incluye los productos que abarca los lugares disponibles instrucciones de env o t rminos y condiciones etc Fran ai...

Page 95: ...com intel other ehs product_ecology Recycling_Program htm T rk e Intel evre sorumlulu una ba ml l n n bir par as olarak perakende t keticilerin Intel markal kullan lm r nlerini belirlenmi merkezlere...

Page 96: ...ad 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 solde...

Page 97: ...of measurement European Union AS NZS CISPR 22 Class B Australian Communications Authority Standard for Electromagnetic Compatibility Australia and New Zealand CISPR 22 3rd Edition Class B Limits and m...

Page 98: ...Recognized Component mark FCC Declaration of Conformity logo mark for Class B equipment CE mark Declaring compliance to European Union EU EMC directive 89 336 EEC and Low Voltage directive 73 23 EEC A...

Page 99: ...pe Brukte batterier b r kastes i henhold til gjeldende milj lovgivning VIKTIGT Risk f r explosion om batteriet ers tts med felaktig batterityp Batterier ska kasseras enligt de lokala milj v rdsbest mm...

Page 100: ...ocais apropriados A elimina o de baterias usadas deve ser feita de acordo com as regulamenta es ambientais da regi o A CIARO ZNA UPOZORN N V p pad v m ny baterie za nespr vn druh m e doj t k v buchu J...

Page 101: ...te reglement rile locale privind protec ia mediului UPOZORNENIE Ak bat riu vymen te za nespr vny typ hroz nebezpe enstvo jej v buchu Bat rie by sa mali pod a mo nosti v dy recyklova Likvid cia pou it...

Page 102: ...Intel Workstation Board S975XBX2 Technical Product Specification 102...

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