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Intel D945PLNM Specification

D945plnm technical product specification
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Intel® Desktop Board
D945PLNM
Technical Product Specification
®
The Intel
Desktop Board D945PLNM 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 D945PLNM Specification Update.
April 2006
Order Number: D44279-001US

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Summary of Contents for Intel D945PLNM

  • Page 1 Order Number: D44279-001US ® The Intel Desktop Board D945PLNM 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 D945PLNM Specification Update.

  • Page 2: Revision History

    Contact your local Intel sales office or your distributor to obtain the latest specifications before placing your product order. Copies of documents which have an ordering number and are referenced in this document, or other Intel literature, may be obtained from: Intel Corporation P.O.

  • Page 3: Intended Audience

    The TPS is intended to provide detailed, technical information about the Desktop Board D945PLNM 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.
  • Page 4 When used in the description of a component, N indicates component type, xn are the relative coordinates of its location on the Desktop Board D945PLNM, and X is the instance of the particular part at that general location. For example, J5J1 is a connector, located at 5J. It is the first connector in the 5J area.

  • Page 5: Table Of Contents

    Block Diagram ....................14 Online Support ......................15 Processor ........................15 System Memory ......................16 1.4.1 Memory Configurations ................. 17 ® Intel 945PL Chipset....................20 1.5.1 USB ....................... 20 1.5.2 IDE Support ....................21 1.5.3 Real-Time Clock, CMOS SRAM, and Battery..........22 PCI Express* Connectors ....................
  • Page 6 Intel Desktop Board D945PLNM Technical Product Specification Connectors........................46 2.7.1 Back Panel Connectors ................. 47 2.7.2 Component-side Connectors................. 48 Jumper Block ....................... 56 Mechanical Considerations ..................57 2.9.1 Form Factor ....................57 2.9.2 I/O Shield....................... 58 2.10 Electrical Considerations....................59 2.10.1...
  • Page 7 Contents Figures Board Components ...................... 12 Block Diagram......................14 Memory Channel and DIMM Configuration ..............17 Dual Channel (Interleaved) Mode Configuration with Two DIMMs ......18 Single Channel (Asymmetric) Mode Configuration with One DIMM......19 Single Channel (Asymmetric) Mode Configuration with Two DIMMs......19 Front/Back Panel Audio Connector Options for 6-Channel (5.1) Audio Subsystem ..
  • Page 8 Intel Desktop Board D945PLNM Technical Product Specification States for a Two-Color Power LED ................54 BIOS Setup Configuration Jumper Settings..............56 DC Loading Characteristics ..................59 Fan Connector Current Capability................60 Thermal Considerations for Components ..............63 Environmental Specifications ..................64 Safety Regulations .......................
  • Page 9 What This Chapter Contains Overview ........................10 Online Support ......................15 Processor ........................15 System Memory ......................16 ® Intel 945PL Chipset....................20 PCI Express* Connectors .................... 27 Legacy I/O Controller ....................27 Audio Subsystem ......................29 LAN Subsystem ......................31 1.10 Hardware Management Subsystem................

  • Page 10: Overview

    Intel Desktop Board D945PLNM Technical Product Specification 1.1 Overview 1.1.1 Feature Summary Table 1 summarizes the major features of the board. Table 1. Feature Summary Form Factor microATX (9.60 inches by 9.60 inches [243.84 millimeters by 243.84 millimeters]) Processor Support for the following: •...
  • Page 11 Product Description Table 1. Feature Summary (continued) • Support for PCI Local Bus Specification Revision 2.3 Instantly Available PC Technology • Support for PCI Express Revision 1.0a • Suspend to RAM support • Wake on PCI, RS-232, front panel, PS/2 devices, and USB ports •...

  • Page 12: Board Layout

    Intel Desktop Board D945PLNM Technical Product Specification 1.1.2 Board Layout Figure 1 shows the location of the major components. OM18285 Figure 1. Board Components Table 2 lists the components identified in Figure 1.

  • Page 13: Board Components Shown In Figure 1

    BIOS Setup configuration jumper block Serial ATA connectors [4] Auxiliary front panel power LED connector Front panel connector Front panel USB connectors [2] Chassis intrusion connector Intel 82801G I/O Controller Hub (ICH7) SPI flash device Speaker PCI Express x1 bus add-in card connector...

  • Page 14: Block Diagram

    Intel Desktop Board D945PLNM Technical Product Specification 1.1.3 Block Diagram Figure 2 is a block diagram of the major functional areas. PCI Express x1 Interface PCI Express x1 Slot Back Panel/Front Panel USB Ports Serial Port Legacy Parallel Port Parallel ATA...

  • Page 15: Online Support

    Intel Pentium D processor in an LGA775 processor socket with an 800 MHz system bus • Intel Pentium 4 processor in an LGA775 processor socket with an 800 or 533 MHz system bus • Intel Celeron D processor in an LGA775 processor socket with a 533 MHz system bus See the Intel web site listed below for the most up-to-date list of supported processors.

  • Page 16: System Memory

    Intel Desktop Board D945PLNM Technical Product Specification 1.4 System Memory The board has two DIMM sockets and support the following memory features: • 1.8 V (only) DDR2 SDRAM DIMMs with gold-plated contacts • Unbuffered, single-sided or double-sided DIMMs with the following restriction: Double-sided DIMMS with x16 organization are not supported •...

  • Page 17: Memory Configurations

    Product Description 1.4.1 Memory Configurations The Intel 82945PL MCH supports two types of memory organization: • Dual channel (Interleaved) mode. This mode offers the highest throughput for real world applications. Dual channel mode is enabled when the installed memory capacities of both DIMM channels are equal.

  • Page 18: Dual Channel (Interleaved) Mode Configuration With Two Dimms

    Intel Desktop Board D945PLNM Technical Product Specification 1.4.1.1 Dual Channel (Interleaved) Mode Configuration Figure 4 shows a dual channel configuration using two DIMMs. In this example, the DIMM sockets are populated with identical DIMMs. Channel A, DIMM 0 1 GB...

  • Page 19: Single Channel (Asymmetric) Mode Configuration With One Dimm

    Product Description 1.4.1.2 Single Channel (Asymmetric) Mode Configurations NOTE Dual channel (Interleaved) mode configurations provide the highest memory throughput. Figure 5 shows a single channel configuration using one DIMM. In this example, only Channel A is populated. Channel B is not populated. Channel A, DIMM 0 256 MB Channel B, DIMM 0...

  • Page 20: Intel 945Pl Chipset

    ® The Intel 945PL chipset consists of the following devices: • Intel 82945PL Memory Controller Hub (MCH) with Direct Media Interface (DMI) interconnect • Intel 82801G I/O Controller Hub (ICH7) with DMI interconnect The MCH component provides interfaces to the CPU, memory, PCI Express, and the DMI interconnect.

  • Page 21: Ide Support

    Product Description 1.5.2 IDE Support The board provides five IDE interface connectors: • One parallel ATA IDE connector that supports two devices • Four serial ATA IDE connectors that support one device per connector 1.5.2.1 Parallel ATE IDE Interface The ICH7’s Parallel ATA IDE controller has one bus-mastering Parallel ATA IDE interface. The Parallel ATA IDE interface supports the following modes: •...

  • Page 22: Real-Time Clock, Cmos Sram, And Battery

    Intel Desktop Board D945PLNM Technical Product Specification NOTE Many Serial ATA drives use new low-voltage power connectors and require adaptors or power supplies equipped with low-voltage power connectors. For more information, see: http://www.serialata.org/ For information about Refer to The location of the Serial ATA IDE connectors Figure 13, page 48 1.5.3 Real-Time Clock, CMOS SRAM, and Battery...
  • Page 23 Product Description 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 paristot on hävitettävä paikallisten ympäristömääräysten mukaisesti. VORSICHT Bei falschem Einsetzen einer neuen Batterie besteht Explosionsgefahr.
  • Page 24 Intel Desktop Board D945PLNM Technical Product Specification Προσοχή Υπάρχει κίνδυνος για έκρηξη σε περίπτωση που η µπαταρία αντικατασταθεί από µία λανθασµένου τύπου. Οι µπαταρίες θα πρέπει να ανακυκλώνονται όταν κάτι τέτοιο είναι δυνατό. Η απόρριψη των χρησιµοποιηµένων µπαταριών πρέπει να γίνεται σύµφωνα µε τους κατά τόπο περιβαλλοντικούς...
  • Page 25 Product Description POZOR Zamenjava baterije z baterijo drugačnega tipa lahko povzroči eksplozijo. Če je mogoče, baterije reciklirajte. Rabljene baterije zavrzite v skladu z lokalnimi okoljevarstvenimi predpisi. UYARI Yanlış türde pil takıldığında patlama riski vardır. Piller mümkün olduğunda geri dönüştürülmelidir. Kullanılmış piller, yerel çevre yasalarına uygun olarak atılmalıdır. OСТОРОГА...
  • Page 26 Intel Desktop Board D945PLNM Technical Product Specification...

  • Page 27: Pci Express* Connectors

    Product Description 1.6 PCI Express* Connectors The board provides the following PCI Express connectors: • One PCI Express x16 connector supporting simultaneous transfer speeds up to 4 GBytes/sec of peak bandwidth per direction and up to 8 GBytes/sec concurrent bandwidth •...

  • Page 28: Parallel Port

    Intel Desktop Board D945PLNM Technical Product Specification 1.7.2 Parallel Port The 25-pin D-Sub parallel port connector is located on the back panel. Use the BIOS Setup program to set the parallel port mode. For information about Refer to The location of the parallel port connector Figure 12, page 47 1.7.3 Diskette Drive Controller...

  • Page 29: Audio Subsystem

    Line out and Mic in functions for front panel audio jacks • A signal-to-noise (S/N) ratio of 95 dB 1.8.1 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...

  • Page 30: 6-Channel (5.1) Audio Subsystem

    Intel Desktop Board D945PLNM Technical Product Specification 1.8.3 6-Channel (5.1) Audio Subsystem The 6-channel (5.1) audio subsystem includes the following: • Intel 82801G I/O Controller Hub (ICH7) • Sigmatel 9220 audio codec • Microphone input that supports a single dynamic, condenser, or electret microphone The back panel audio connectors are configurable through the audio device drivers.

  • Page 31: Lan Subsystem

    PCI Conventional bus power management ⎯ Supports ACPI technology ⎯ Supports LAN wake capabilities 1.9.1 10/100 Mbits/sec LAN Subsystem The 10/100 Mbits/sec LAN subsystem includes the ICH6, the Intel 82562GX PLC, and an RJ-45 LAN connector with integrated status LEDs. 1.9.1.1 Intel 82562GX Physical Layer Interface Device ®...

  • Page 32: Alert Standard Format (Asf) Support

    Boot options to boot from different types of boot devices • Reset, shutdown, power cycle, and power up options 1.9.3 LAN Subsystem Software LAN software and drivers are available from Intel’s World Wide Web site. For information about Refer to Obtaining LAN software and drivers...

  • Page 33: Hardware Management Subsystem

    When the chassis cover is removed, the mechanical switch is in the closed position. 1.10.3 Fan Monitoring Fan monitoring can be implemented using Intel Desktop Utilities or third-party software. The level of monitoring and control is dependent on the hardware monitoring ASIC used with the board.

  • Page 34: Thermal Monitoring

    Intel Desktop Board D945PLNM Technical Product Specification 1.10.4 Thermal Monitoring Figure 10 shows the location of the sensors and fan connectors. OM18287 Item Description Remote ambient temperature sensor Thermal diode, located on processor die Ambient temperature sensor, internal to hardware monitoring and fan control ASIC...

  • Page 35: Power Management

    Product Description 1.11 Power Management Power management is implemented at several levels, including: • Software support through Advanced Configuration and Power Interface (ACPI) • Hardware support: ⎯ Power connector ⎯ Fan connectors ⎯ LAN wake capabilities ⎯ Instantly Available PC technology ⎯...

  • Page 36: Power States And Targeted System Power

    Intel Desktop Board D945PLNM Technical Product Specification 1.11.1.1 System States and Power States Under ACPI, the operating system directs all system and device power state transitions. The operating system puts devices in and out of low-power states based on user preferences and knowledge of how devices are being used by applications.

  • Page 37: Hardware Support

    Product Description 1.11.1.2 Wake-up Devices and Events Table 7 lists the devices or specific events that can wake the computer from specific states. Table 7. Wake-up Devices and Events These devices/events can wake up the computer… …from this state (Note) S1, S3, S4, S5 Modem (back panel Serial Port A) S1, S3...

  • Page 38: Power Connector

    Intel Desktop Board D945PLNM Technical Product Specification Resume on Ring enables telephony devices to access the computer when it is in a power-managed state. The method used depends on the type of telephony device (external or internal). NOTE The use of Resume on Ring and Wake from USB technologies from an ACPI state requires an operating system that provides full ACPI support.

  • Page 39: Instantly Available Pc Technology

    Product Description Magic Packet* frame, the LAN subsystem asserts a wake-up signal that powers up the computer. Depending on the LAN implementation, the board supports LAN wake capabilities with ACPI in the following ways: • The PCI Express WAKE# signal •...

  • Page 40: Location Of The Standby Power Indicator Led

    Intel Desktop Board D945PLNM Technical Product Specification 1.11.2.9 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. 1.11.2.10 +5 V Standby Power Indicator LED The +5 V standby power indicator LED shows that power is still present even when the computer appears to be off.

  • Page 41: Technical Reference

    2 Technical Reference What This Chapter Contains Memory Map ........................ 41 Fixed I/O Map....................... 42 DMA Channels ......................43 PCI Configuration Space Map..................43 Interrupts ........................44 PCI Conventional Interrupt Routing Map ..............45 Connectors........................46 Jumper Block ....................... 56 Mechanical Considerations ..................

  • Page 42: Fixed I/O Map

    Address (hex) Size Description 0000 - 00FF 256 bytes Used by the Desktop Board D945PLNM. Refer to the ICH7 data sheet for dynamic addressing information. 0170 - 0177 8 bytes Secondary Parallel ATA IDE channel command block 01F0 - 01F7...

  • Page 43: Dma Channels

    PCI Configuration Space Map Device Function Number (hex) Number (hex) Number (hex) Description Memory controller of Intel 82945PL component (Note 1) PCI Express x16 graphics port Intel High Definition Audio Controller PCI Express port 1 PCI Express port 2 PCI Express port 3...

  • Page 44: Interrupts

    Intel Desktop Board D945PLNM Technical Product Specification 2.5 Interrupts The interrupts can be routed through either the Programmable Interrupt Controller (PIC) or the Advanced Programmable Interrupt Controller (APIC) portion of the ICH7 component. The PIC is supported in Windows 98 SE and Windows ME and uses the first 16 interrupts. The APIC is supported in Windows 2000 and Windows XP and supports a total of 24 interrupts.

  • Page 45: Pci Conventional* Interrupt Routing Map

    Technical Reference 2.6 PCI Conventional* Interrupt Routing Map This section describes interrupt sharing and how the interrupt signals are connected between the PCI Conventional bus connectors and onboard PCI Conventional devices. The PCI Conventional specification describes how interrupts can be shared between devices attached to the PCI Conventional bus.

  • Page 46: Connectors

    Intel Desktop Board D945PLNM Technical Product Specification 2.7 Connectors CAUTION Only the following connectors have overcurrent protection: back panel USB, front panel USB, and PS/2. The other internal connectors 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 to power devices external to the computer’s chassis.

  • Page 47: Back Panel Connectors

    Technical Reference 2.7.1 Back Panel Connectors Figure 12 shows the location of the back panel connectors. The back panel connectors are color-coded. The figure legend (Table 14) lists the colors used (when applicable). OM18261 Figure 12. Back Panel Connectors Table 14 lists the back panel connectors identified in Figure 12. NOTE The back panel audio line out connector is designed to power headphones or amplified speakers only.

  • Page 48: Component-Side Connectors

    Intel Desktop Board D945PLNM Technical Product Specification 2.7.2 Component-side Connectors Figure 13 shows the locations of the component-side connectors. OM18289 Figure 13. Component-side Connectors Table 15 lists the component-side connectors identified in Figure 13.

  • Page 49: Front Panel Audio Connector

    Technical Reference Table 15. Component-side Connectors Shown in Figure 13 Item/callout from Figure 13 Description PCI Express x1 bus add-in card connector Front panel audio connector PCI Conventional bus add-in card connector 2 PCI Conventional bus add-in card connector 1 PCI Express x16 bus add-in card connector Rear chassis fan connector +12V power connector (ATX12V)

  • Page 50: Serial Ata Connectors

    Intel Desktop Board D945PLNM Technical Product Specification Table 16. Front Panel Audio Connector Signal Name Signal Name Port E [Port 1] Left Channel Ground Port E [Port 1] Right Channel Presence# (dongle present) Port F [Port 2] Right Channel Port E [Port 1] Sense return...

  • Page 51: Main Power Connector

    Main power – a 2 x 12 connector. This connector is compatible with 2 x 10 connectors previously used on Intel Desktop boards. The board supports the use of ATX12V power supplies with either 2 x 10 or 2 x 12 main power cables. When using a power supply with a 2 x 10 main power cable, attach that cable on the rightmost pins of the main power connector, leaving pins 11, 12, 23, and 24 unconnected.

  • Page 52: Auxiliary Front Panel Power/Sleep Led Connector

    Intel Desktop Board D945PLNM Technical Product Specification 2.7.2.2 Add-in Card Connectors The board has the following add-in card connectors: • PCI Express x16: one connector supporting simultaneous transfer speeds up to 4 GBytes/sec of peak bandwidth per direction and up to 8 GBytes/sec concurrent bandwidth.

  • Page 53: Connection Diagram For Front Panel Connector

    Technical Reference 2.7.2.4 Front Panel Connector This section describes the functions of the front panel connector. Table 24 lists the signal names of the front panel connector. Figure 14 is a connection diagram for the front panel connector. Table 24. Front Panel Connector Signal In/Out...

  • Page 54: States For A One-Color Power Led

    Intel Desktop Board D945PLNM Technical Product Specification 2.7.2.4.2 Reset Switch Connector [Purple] Pins 5 and 7 [Purple] can be connected to a momentary single pole, single throw (SPST) type switch that is normally open. When the switch is closed, the board resets and runs the POST.

  • Page 55: Connection Diagram For Front Panel Usb Connectors

    Technical Reference 2.7.2.5 Front Panel USB Connectors Figure 15 is a connection diagram for the front panel USB connectors. INTEGRATOR’S NOTES • The +5 V DC power on the USB connector is fused. • Pins 1, 3, 5, and 7 comprise one USB port. •...

  • Page 56: Jumper Block

    Intel Desktop Board D945PLNM Technical Product Specification 2.8 Jumper Block CAUTION Do not move the jumper with the power on. Always turn off the power and unplug the power cord from the computer before changing a jumper setting. Otherwise, the board could be damaged.

  • Page 57: Mechanical Considerations

    Technical Reference 2.9 Mechanical Considerations 2.9.1 Form Factor The board is designed to fit into an ATX-form-factor chassis. Figure 17 illustrates the mechanical form factor of the board. Dimensions are given in inches [millimeters]. The outer dimensions are 9.90 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.

  • Page 58: I/O Shield

    Intel Desktop Board D945PLNM Technical Product Specification 2.9.2 I/O Shield The back panel I/O shield for the board must meet specific dimension and material requirements. Systems based on this board need the back panel I/O shield to pass certification testing. Figure 18 shows the I/O shield.

  • Page 59: Electrical Considerations

    The board is designed to provide 2 A (average) of +5 V current for each add-in board. The total +5 V current draw for the board is as follows: a fully loaded D945PLNM board (all three expansion slots and the PCI Express x16 slot filled) must not exceed 8 A.

  • Page 60: Fan Connector Current Capability

    Intel Desktop Board D945PLNM Technical Product Specification 2.10.3 Fan Connector Current Capability CAUTION The processor fan must be connected to the processor fan connector, not to a chassis fan connector. Connecting the processor fan to a chassis fan connector may result in onboard component damage that will halt fan operation.

  • Page 61: Thermal Considerations

    All responsibility for determining the adequacy of any thermal or system design remains solely with the reader. Intel makes no warranties or representations that merely following the instructions presented in this document will result in a system with adequate thermal performance.

  • Page 62: Localized High Temperature Zones

    Intel Desktop Board D945PLNM Technical Product Specification 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 (item A in Figure 20) can reach a temperature of up to 85 C in an open chassis.

  • Page 63: Reliability

    The calculation is based on the Bellcore Reliability Prediction Procedure, TR-NWT-000332, Issue 4, September 1991. The MTBF prediction is used to estimate repair rates and spare parts requirements. The MTBF data is calculated from predicted data at 55 ºC. The MTBF for the D945PLNM board is 117,195.79 hours.

  • Page 64: Environmental

    Intel Desktop Board D945PLNM Technical Product Specification 2.13 Environmental Table 31 lists the environmental specifications for the board. Table 31. Environmental Specifications Parameter Specification Temperature -40 °C to +70 °C Non-Operating 0 °C to +55 °C Operating Shock Unpackaged 50 g trapezoidal waveform Velocity change of 170 inches/second²...

  • Page 65: Regulatory Compliance

    Product Ecology statements • Electromagnetic Compatibility (EMC) regulations • Product certification markings 2.14.1 Safety Regulations Desktop Board D945PLNM complies with the safety regulations stated in Table 32 when correctly installed in a compatible host system. Table 32. Safety Regulations Regulation Title UL 60950-1:2003/ Information Technology Equipment –...
  • Page 66 Intel Desktop Board D945PLNM Technical Product Specification Čeština Tento výrobek odpovídá požadavkům evropských směrnic 89/336/EEC a 73/23/EEC. Dansk Dette produkt er i overensstemmelse med det europæiske direktiv 89/336/EEC & 73/23/EEC. Dutch Dit product is in navolging van de bepalingen van Europees Directief 89/336/EEC &...

  • Page 67: Product Ecology Statements

    2.14.3.2 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 select locations for proper recycling. Please consult the http://www.intel.com/intel/other/ehs/product_ecology/Recycling_Program.htm...
  • Page 68 Français Dans le cadre de son engagement pour la protection de l'environnement, Intel a mis en œuvre le programme Intel Product Recycling Program (Programme de recyclage des produits Intel) pour permettre aux consommateurs de produits Intel de recycler les produits usés en les retournant à des adresses spécifiées.

  • Page 69: Lead Free Desktop Board

    Technical Reference Portuguese Como parte deste compromisso com o respeito ao ambiente, a Intel implementou o Programa de Reciclagem de Produtos para que os consumidores finais possam enviar produtos Intel usados para locais selecionados, onde esses produtos são reciclados de maneira adequada.

  • Page 70: Emc Regulations

    Intel Desktop Board D945PLNM Technical Product Specification 2.14.4 EMC Regulations Desktop Board D945PLNM complies with the EMC regulations stated in Table 34 when correctly installed in a compatible host system. Table 34. EMC Regulations Regulation Title FCC Class B Title 47 of the Code of Federal Regulations, Parts 2 and 15, Subpart B, Radio Frequency Devices.
  • Page 71 Technical Reference Japanese Kanji statement translation: this is a Class B product based on the standard of the Voluntary Control Council for Interference from Information Technology Equipment (VCCI). If this is used near a radio or television receiver in a domestic environment, it may cause radio interference.

  • Page 72: Product Certification Markings (Board Level)

    Intel Desktop Board D945PLNM Technical Product Specification 2.14.5 Product Certification Markings (Board Level) Desktop Board D945PLNM has the product certification markings shown in Table 35: Table 35. Product Certification Markings Description Mark UL joint US/Canada Recognized Component mark. Includes adjacent UL file number for Intel desktop boards: E210882.

  • Page 73: Overview Of Bios Features

    BIOS Security Features ....................79 3.1 Introduction The boards use an Intel BIOS that is stored in the Serial Peripheral Interface Flash Memory (SPI Flash) and can be updated using a disk-based program. The SPI Flash contains the BIOS Setup program, POST, the PCI auto-configuration utility, and Plug and Play support.

  • Page 74: Bios Flash Memory Organization

    Intel Desktop Board D945PLNM Technical Product Specification Table 36 lists the BIOS Setup program menu features. Table 36. BIOS Setup Program Menu Bar Maintenance Main Advanced Security Power Boot Exit Clears Displays Configures Sets Configures Selects boot Saves or passwords and...

  • Page 75: System Management Bios (Smbios)

    Overview of BIOS Features automatically configured for Logical Block Addressing (LBA) and to PIO Mode 3 or 4, depending on the capability of the drive. You can override the auto-configuration options by specifying manual configuration in the BIOS Setup program. To use ATA-66/100 features the following items are required: •...

  • Page 76: Bios Updates

    To install an operating system that supports USB, follow the operating system’s installation instructions. 3.6 BIOS Updates The BIOS can be updated using either of the following utilities, which are available on the Intel World Wide Web site: • Intel Express BIOS Update utility, which enables automated updating while in the Windows ®...

  • Page 77: Boot Options

    Overview of BIOS Features 3.7 Boot Options In the BIOS Setup program, the user can choose to boot from a diskette 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.

  • Page 78: Adjusting Boot Speed

    It is possible to optimize the boot process to the point where the system boots so quickly that the Intel logo screen (or a custom logo splash screen) will not be seen. Monitors and hard disk drives with minimum initialization times can also contribute to a boot time that might be so fast that necessary logo screens and POST messages cannot be seen.

  • Page 79: Bios Security Features

    Overview of BIOS Features 3.9 BIOS Security Features The BIOS includes security features that restrict access to the BIOS Setup program and who can boot the computer. A supervisor password and a user password can be set for the BIOS Setup program and for booting the computer, with the following restrictions: •...
  • Page 80 Intel Desktop Board D945PLNM Technical Product Specification...

  • Page 81: Error Messages And Beep Codes

    4 Error Messages and Beep Codes What This Chapter Contains Speaker ........................81 BIOS Beep Codes......................81 BIOS Error Messages ....................81 Port 80h POST Codes ....................82 4.1 Speaker The board-mounted speaker provides audible error code (beep code) information during POST. For information about Refer to The location of the onboard speaker...

  • Page 82: Port 80H Post Codes

    Intel Desktop Board D945PLNM Technical Product Specification 4.4 Port 80h POST Codes During the POST, the BIOS generates diagnostic progress codes (POST-codes) to I/O port 80h. If the POST fails, execution stops and the last POST code generated is left at port 80h. This code is useful for determining the point where an error occurred.

  • Page 83: Port 80H Post Codes

    Error Messages and Beep Codes Table 43. Port 80h POST Codes POST Code Description of POST Operation Host Processor Power-on initialization of the host processor (Boot Strap Processor) Host processor Cache initialization (including APs) Starting Application processor initialization SMM initialization Chipset Initializing a chipset component Memory...
  • Page 84 Intel Desktop Board D945PLNM Technical Product Specification Table 43. Port 80h POST Codes (continued) POST Code Description of POST Operation Keyboard (PS2 or USB) Resetting keyboard Disabling keyboard Detecting presence of keyboard Enabling keyboard Clearing keyboard input buffer Instructing keyboard controller to run Self Test (PS2 only)
  • Page 85 Error Messages and Beep Codes Table 43. Port 80h POST Codes (continued) POST Code Description of POST Operation DXE Drivers Waiting for user input Checking password Entering BIOS setup TBD – Flash Update Calling Legacy Option ROMs TBD – Calling INT 19. One beep unless silent boot is enabled TBD –...

  • Page 86: Typical Port 80H Post Sequence

    Intel Desktop Board D945PLNM Technical Product Specification Table 44. Typical Port 80h POST Sequence POST Code Description Initializing a chipset component Reading SPD from memory DIMMs Detecting presence of memory DIMMs Configuring memory Testing memory Loading recovery capsule Entered DXE phase...

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