Intel D915PDT Specification
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Intel D915PDT Specification

Intel D915PDT Specification

D915pdt technical product specification
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Intel
D915PDT
Technical Product Specification
The Intel
Desktop Board D915PDT 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 D915PDT Specification Update.
Desktop Board
®
September 2005
Order Number: D28864-001US

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Summary of Contents for Intel D915PDT

  • Page 1 Order Number: D28864-001US The Intel Desktop Board D915PDT 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 D915PDT 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

    Intended Audience The TPS is intended to provide detailed, technical information about the Desktop Board D915PDT 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 Intel Desktop Board D915PDT Technical Product Specification Other Common Notation Used after a signal name to identify an active-low signal (such as USBP0#) (NxnX) When used in the description of a component, N indicates component type, xn are the relative coordinates of its location on the board, and X is the instance of the particular part at that general location.

  • Page 5: Table Of Contents

    Block Diagram ....................14 Online Support ......................15 Processor ........................15 System Memory ......................16 1.4.1 Memory Configurations ................. 17 ® Intel 915P Chipset...................... 20 1.5.1 USB ....................... 20 1.5.2 IDE Support ....................20 1.5.3 Real-Time Clock, CMOS SRAM, and Battery..........22 PCI Express* Connectors ....................
  • Page 6 Intel Desktop Board D915PDT Technical Product Specification Connectors........................47 2.7.1 Back Panel Connectors ................. 47 2.7.2 Component-side Connectors................. 48 2.7.3 Front Panel USB Connectors ................ 55 Jumper Block ....................... 56 Mechanical Considerations ..................57 2.9.1 Form Factor ....................57 2.9.2 I/O Shield.......................
  • Page 7 Contents 4 Error Messages and Beep Codes BIOS Error Messages ....................81 Port 80h POST Codes ....................83 Bus Initialization Checkpoints ..................87 Speaker ........................88 BIOS Beep Codes......................88 Figures Board Components ...................... 12 Block Diagram......................14 Memory Channel and DIMM Configuration ..............17 Dual Channel (Interleaved) Mode Configuration with Two DIMMs ......
  • Page 8 Intel Desktop Board D915PDT Technical Product Specification Chassis Intrusion Connector ..................50 Serial ATA Connectors....................50 Processor Fan Connector .................... 50 Chassis Fan Connectors....................50 Main Power Connector....................51 ATX12V Power Connector ................... 51 Auxiliary Front Panel Power/Sleep LED Connector ............. 52 Front Panel Connector ....................
  • Page 9 What This Chapter Contains Overview ........................10 Online Support ......................15 Processor ........................15 System Memory ......................16 ® Intel 915P Chipset...................... 20 PCI Express* Connectors .................... 26 Legacy I/O Controller ....................26 Audio Subsystem ......................27 LAN Subsystem ......................30 1.10 Hardware Management Subsystem................

  • Page 10: Overview

    10/100 Mbits/sec LAN subsystem using the Intel 82562GX Platform LAN Connect (PLC) device with ASF 2.0 support • Intel/AMI BIOS (resident in the 8 Mbit FWH) BIOS • Support for Advanced Configuration and Power Interface (ACPI), Plug and Play, and SMBIOS...
  • Page 11 • Thermal sense to detect out of range thermal values • Three fan connectors • Three fan sense inputs used to monitor fan activity • Fan speed control For information about Refer to Available configurations for the Desktop Board D915PDT Section 1.2, page 15...

  • Page 12: Board Layout

    Intel Desktop Board D915PDT Technical Product Specification 1.1.2 Board Layout Figure 1 shows the location of the major components. C D E OM17996 Figure 1. Board Components Table 2 lists the components identified in Figure 1.

  • Page 13: Board Components Shown In Figure 1

    8 Mbit Firmware Hub (FWH) Front chassis fan connector Serial ATA connectors [4] Auxiliary front panel power LED connector Front panel connector Front panel USB connectors [2] Intel 82801FB I/O Controller Hub (ICH6) Speaker PCI Express x1 bus add-in card connector...

  • Page 14: Block Diagram

    Intel Desktop Board D915PDT Technical Product Specification 1.1.3 Block Diagram Figure 2 is a block diagram of the major functional areas of the board. PCI Express x1 Interface Back Panel/ PCI Express x1 Slot 1 Front Panel USB Ports Serial Port...

  • Page 15: Online Support

    The board is designed to support the following processors: • Intel Pentium 4 processor in an LGA775 processor socket with an 800 or 533 MHz system bus • Intel Celeron 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 D915PDT Technical Product Specification 1.4 System Memory The board has two DIMM sockets and support the following memory features: • 2.5 V (only) DDR 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 82915P 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 D915PDT 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 915P Chipset

    1.5 Intel 915P Chipset ® The Intel 915P chipset consists of the following devices: • Intel 82915P Memory Controller Hub (MCH) with Direct Media Interface (DMI) interconnect • Intel 82801FB I/O Controller Hub (ICH6) with DMI interconnect • Firmware Hub (FWH) The MCH is a centralized controller for the system bus, the memory bus, the PCI Express bus, and the DMI interconnect.

  • Page 21: Serial Ata Interfaces

    Product Description 1.5.2.1 Parallel ATA IDE Interface The ICH6’s Parallel ATA IDE controller has one bus-mastering Parallel ATA IDE interface. The Parallel ATA IDE interface supports the following modes: • Programmed I/O (PIO): processor controls data transfer. • 8237-style DMA: DMA offloads the processor, supporting transfer rates of up to 16 MB/sec. •...

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

    Intel Desktop Board D915PDT Technical Product Specification 1.5.3 Real-Time Clock, CMOS SRAM, and Battery A coin-cell battery (CR2032) powers the real-time clock and CMOS memory. When the computer is not plugged into a wall socket, the battery has an estimated life of three years. When the computer is plugged in, the standby current from the power supply extends the life of the battery.
  • Page 23 Product Description AVVERTIMENTO Esiste il pericolo di un esplosione se la pila non viene sostituita in modo corretto. Utilizzare solo pile uguali o di tipo equivalente a quelle consigliate dal produttore. Per disfarsi delle pile usate, seguire le istruzioni del produttore. PRECAUCIÓN Existe peligro de explosión si la pila no se cambia de forma adecuada.
  • Page 24 Intel Desktop Board D915PDT Technical Product Specification AWAS Risiko letupan wujud jika bateri digantikan dengan jenis yang tidak betul. Bateri sepatutnya dikitar semula jika boleh. Pelupusan bateri terpakai mestilah mematuhi peraturan alam sekitar tempatan. OSTRZEŻENIE Istnieje niebezpieczeństwo wybuchu w przypadku zastosowania niewłaściwego typu baterii. Zużyte baterie należy w miarę...
  • Page 25 Product Description OСТОРОГА Використовуйте батареї правильного типу, інакше існуватиме ризик вибуху. Якщо можливо, використані батареї слід утилізувати. Утилізація використаних батарей має бути виконана згідно місцевих норм, що регулюють охорону довкілля.

  • Page 26: Pci Express* Connectors

    Intel Desktop Board D915PDT Technical Product Specification 1.6 PCI Express* Connectors The board provides the following PCI Express connectors: • One PCI Express x16 connector supporting simultaneous transfer speeds up to 8 GBytes/sec • One PCI Express x1 connector. The x1 interface supports simultaneous transfer speeds up to...

  • Page 27: Diskette Drive Controller

    For the front panel jack sensing and automatic retasking feature to function, a front panel daughter card that is designed for Intel High Definition Audio must be used. Otherwise, an AC ’97 style audio front panel connector will be assumed and the Line Out and Mic In functions will be...

  • Page 28: Audio Subsystem Software

    Intel Desktop Board D915PDT Technical Product Specification 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 1.8.2 Audio Connectors The board contains audio connector on both the back panel and the component side of the board.

  • Page 29: Intel ® High Definition Audio Subsystem

    Product Description 1.8.3 Intel High Definition Audio Subsystem ® The Intel High Definition Audio subsystem includes the following: • Intel 82801FB I/O Controller Hub (ICH6) • Realtek ALC860VU audio codec • Microphone input that supports a single dynamic, condenser, or electret microphone The front and back audio connectors are configurable through the audio device drivers.

  • Page 30: 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 31: Alert Standard Format (Asf) Support

    Reset, shutdown, power cycle, and power up options • LAN Subsystem Software LAN software and drivers are available from Intel’s World Wide Web site. 1.9.3 LAN Subsystem Software LAN software and drivers are available from Intel’s World Wide Web site.

  • Page 32: Hardware Management Subsystem

    Intel Desktop Board D915PDT Technical Product Specification 1.10 Hardware Management Subsystem The hardware management features enable the Desktop Boards to be compatible with the Wired for Management (WfM) specification. The Desktop Board has several hardware management features, including the following: •...

  • Page 33: Thermal Monitoring

    Product Description 1.10.2 Thermal Monitoring Figure 10 shows the location of the sensors and fan connectors. OM17998 Item Description Remote ambient temperature sensor Thermal diode, located on processor die Ambient temperature sensor, internal to hardware monitoring and fan control ASIC Processor fan Rear chassis fan Front chassis fan...

  • Page 34: Fan Monitoring

    Intel Desktop Board D915PDT Technical Product Specification 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 Desktop Board.

  • Page 35: Effects Of Pressing The Power Switch

    Product Description Table 6 lists the system states based on how long the power switch is pressed, depending on how ACPI is configured with an ACPI-aware operating system. Table 6. Effects of Pressing the Power Switch …and the power switch is If the system is in this state…...

  • Page 36: Power States And Targeted System Power

    Intel Desktop Board D915PDT Technical Product Specification Table 7. Power States and Targeted System Power Processor Targeted System Global States Sleeping States States Device States Power (Note 1) G0 – working S0 – working C0 – working D0 – working state.

  • Page 37: Hardware Support

    Product Description 1.11.2 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.

  • Page 38: Fan Connectors

    Intel Desktop Board D915PDT Technical Product Specification 1.11.2.2 Fan Connectors The function/operation of the fan connectors is as follows: • The fans are on when the board is in the S0 or S1 state. • The fans are off when the board is off or in the S3, S4, or S5 state.

  • Page 39: Resume On Ring

    Product Description The board supports the PCI Bus Power Management Interface Specification. Add-in boards that also support this specification can participate in power management and can be used to wake the computer. The use of Instantly Available PC technology requires operating system support and PCI 2.2 compliant add-in cards, PCI Express add-in cards, and drivers.

  • Page 40: Location Of The Standby Power Indicator Led

    Intel Desktop Board D915PDT Technical Product Specification 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. Figure 11 shows the location of the standby power indicator LED.

  • Page 41: Technical Reference

    2 Technical Reference What This Chapter Contains Memory Map ........................ 41 DMA Channels ......................42 Fixed I/O Map....................... 43 PCI Configuration Space Map..................44 Interrupts ........................45 PCI Conventional* Interrupt Routing Map ..............46 Connectors........................47 Jumper Block ....................... 56 Mechanical Considerations ..................

  • Page 42: Dma Channels

    Intel Desktop Board D915PDT Technical Product Specification 2.2 DMA Channels Table 10. DMA Channels DMA Channel Number Data Width System Resource 8 or 16 bits Open 8 or 16 bits Parallel port 8 or 16 bits Diskette drive 8 or 16 bits...

  • Page 43: Fixed I/O Map

    Address (hex) Size Description 0000 - 00FF 256 bytes Used by the Desktop Board D915PDT. Refer to the ICH6 data sheet for dynamic addressing information. 0170 - 0177 8 bytes Secondary Parallel ATA IDE channel command block 01F0 - 01F7...

  • Page 44: Pci Configuration Space Map

    Intel Desktop Board D915PDT Technical Product Specification 2.4 PCI Configuration Space Map Table 12. PCI Configuration Space Map Device Function Number (hex) Number (hex) Number (hex) Description Memory controller of Intel 82915P component (Note 1) PCI Express x16 graphics port...

  • Page 45: Interrupts

    Technical Reference 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 ICH6 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 46: Pci Conventional* Interrupt Routing Map

    Intel Desktop Board D915PDT Technical Product Specification 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 47: Connectors

    Technical Reference 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 48: Component-Side Connectors

    Intel Desktop Board D915PDT Technical Product Specification 2.7.2 Component-side Connectors Figure 13 shows the locations of the component-side connectors. OM18000 Figure 13. Component-side Connectors...

  • Page 49: Component-Side Connectors Shown In Figure 13

    Technical Reference Table 16 lists the component-side connectors identified in Figure 13. Table 16. 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...

  • Page 50: Front Panel Audio Connector

    Intel Desktop Board D915PDT Technical Product Specification Table 17. 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 D915PDT 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 8 GBytes/sec. • PCI Express x1: one PCI Express x1 connector. The x1 interface supports simultaneous transfer speeds up to 500 MBytes/sec.

  • 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 25 lists the signal names of the front panel connector. Figure 14 is a connection diagram for the front panel connector. Table 25. Front Panel Connector Signal In/Out...

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

    Intel Desktop Board D915PDT 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: Front Panel Usb Connectors

    Technical Reference 2.7.3 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 D915PDT 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 9.60 inches by 9.60 inches [243.84 millimeters by 243.84 millimeters]. Location of the I/O connectors and mounting holes are in compliance with the ATX specification.

  • Page 58: I/O Shield

    Intel Desktop Board D915PDT 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.

  • 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 D915PDT board (all three expansion slots filled and the PCI Express x16 connector filled) must not exceed 8 A.

  • Page 60: Fan Connector Current Capability

    Intel Desktop Board D915PDT 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 D915PDT 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 D915PDT board is 131,997 hours.

  • Page 64: Environmental

    Intel Desktop Board D915PDT Technical Product Specification 2.13 Environmental Table 32 lists the environmental specifications for the board. Table 32. Environmental Specifications Parameter Specification Temperature -40 °C to +70 °C Non-Operating 0 °C to +55 °C Operating Shock Unpackaged 50 g trapezoidal waveform...

  • Page 65: Regulatory Compliance

    Product Ecology statements • Electromagnetic Compatibility (EMC) regulations • Product certification markings 2.14.1 Safety Regulations Desktop Board D915PDT complies with the safety regulations stated in Table 33 when correctly installed in a compatible host system. Table 33. Safety Regulations Regulation Title UL 60950-1:2003/ Information Technology Equipment –...
  • Page 66 Intel Desktop Board D915PDT 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

    Como parte de su compromiso de responsabilidad medioambiental, Intel ha implantado el programa de reciclaje de productos Intel, que permite que los consumidores al detalle de los productos Intel devuelvan los productos usados en los lugares seleccionados para su correspondiente reciclado.
  • Page 68 Intel Desktop Board D915PDT Technical Product Specification 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 Russian В качестве части своих обязательств к окружающей среде, в Intel создана программа утилизации продукции Intel (Product Recycling Program) для предоставления конечным пользователям марок продукции Intel возможности возврата используемой продукции в специализированные пункты для должной утилизации. Пожалуйста, обратитесь на веб-сайт...

  • Page 70: Emc Regulations

    Intel Desktop Board D915PDT Technical Product Specification 2.14.4 EMC Regulations Desktop Board D915PDT complies with the EMC regulations stated in Table 35 when correctly installed in a compatible host system. Table 35. 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 D915PDT Technical Product Specification 2.14.5 Product Certification Markings (Board Level) Desktop Board D915PDT has the product certification markings shown in Table 36: Table 36. 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

    Adjusting Boot Speed....................78 BIOS Security Features ....................79 3.1 Introduction The board uses an Intel BIOS that is stored in the Firmware Hub (FWH) and can be updated using ® a disk-based program. The FWH 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 D915PDT Technical Product Specification Table 37 lists the BIOS Setup program menu features. Table 37. 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 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

    If the Intel Platform Administration Technology Agent is enabled in the BIOS Setup program, the boot order cannot be changed. To modify the boot order, you must first disable the Intel Platform Administration Technology Agent, save changes, and exit the BIOS Setup program. You can then enter the BIOS Setup program and modify the boot order.

  • Page 78: Adjusting Boot Speed

    Intel Desktop Board D915PDT Technical Product Specification 3.8 Adjusting Boot Speed These factors affect system boot speed: • Selecting and configuring peripherals properly • Optimized BIOS boot parameters 3.8.1 Peripheral Selection and Configuration The following techniques help improve system boot speed: •...

  • 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 D915PDT Technical Product Specification...

  • Page 81: Error Messages And Beep Codes

    4 Error Messages and Beep Codes What This Chapter Contains BIOS Error Messages ....................81 Port 80h POST Codes ....................83 Bus Initialization Checkpoints ..................87 Speaker ........................88 BIOS Beep Codes......................88 4.1 BIOS Error Messages Table 41 lists the error messages and provides a brief description of each. Table 41.
  • Page 82 Intel Desktop Board D915PDT Technical Product Specification Table 41. BIOS Error Messages (continued) Error Message Explanation Update OK! NVRAM was invalid and has been updated. Updated Failed NVRAM was invalid but was unable to be updated. Keyboard Error Error in the keyboard connection. Make sure keyboard is connected properly.

  • Page 83: Port 80H Post Codes

    F000:0000 in Shadow RAM and give control to recovery code in F000 Shadow RAM. Initialize interrupt vector tables, initialize system timer, initialize DMA controller and interrupt controller. Initialize extra (Intel Recovery) Module. Initialize floppy drive. Try to boot from floppy. If reading of boot sector is successful, give control to boot sector code.

  • Page 84: Runtime Code Uncompressed In F000 Shadow Ram

    Intel Desktop Board D915PDT Technical Product Specification Table 44. Runtime Code Uncompressed in F000 Shadow RAM Code Description of POST Operation NMI is Disabled. To check soft reset/power-on. BIOS stack set. Going to disable cache if any. POST code to be uncompressed.
  • Page 85 Error Messages and Beep Codes Table 44. Runtime Code Uncompressed in F000 Shadow RAM (continued) Code Description of POST Operation To prepare the descriptor tables. To enter in virtual mode for memory test. To enable interrupts for diagnostics mode. To initialize data to check memory wrap around at 0:0. Data initialized.
  • Page 86 Intel Desktop Board D915PDT Technical Product Specification Table 44. Runtime Code Uncompressed in F000 Shadow RAM (continued) Code Description of POST Operation Lock-key checking over. To check for memory size mismatch with CMOS. Memory size check done. To display soft error and check for password or bypass setup.

  • Page 87: Bus Initialization Checkpoints

    Error Messages and Beep Codes Table 44. Runtime Code Uncompressed in F000 Shadow RAM (continued) Code Description of POST Operation Uncompress SMBIOS module and init SMBIOS code and form the runtime SMBIOS image in shadow. Going to copy any code to specific area. Copying of code to specific area done.

  • Page 88: Speaker

    Intel Desktop Board D915PDT Technical Product Specification Table 47 describes the lower nibble of the high byte and indicates the bus on which the routines are being executed. Table 47. Lower Nibble High Byte Functions Value Description Generic DIM (Device Initialization Manager)

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