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Premio Athena System Manual

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  • Page 1 Athena System Manual...
  • Page 2 PREMIO System Manual Copyright is a registered trademark of Premio Computer, Inc. All PREMIO other brands and product names are trademarks or registered trademarks of their respective companies. © 2002 by Premio Computer, Inc. All rights reserved. Version 1.0, March 2002...

  • Page 3: Table Of Contents

    PREMIO System Manual Contents GETTING STARTED..............5 Setting Up ................6 Connecting Your Keyboard, Mouse, and Speakers ...x Connecting Your Monitor ..........x Switches and Indicators..........8 UPGRADING ................10 Opening the System Unit ..........11 Closing the System Unit ..........x Installing an Expansion Card ........11 Installing Additional Memory.........x...
  • Page 4 PREMIO System Manual System Unit Problems ............19 Hard Disk Problems ............20 Warranty Service............20 Technical Support ............21 PREMIO on the Internet ..........21 APPENDIX ................22 Limited 3-Year Warranty..........22 FCC Standards ............. 24 Important Safety Instructions ........25...

  • Page 5: Getting Started

    ® Your Athena system typically consists of five main components: PREMIO § Midtower § Monitor § Speakers § Keyboard § Mouse Depending on which components you’ve ordered with your Athena system, the components shown in the picture above may vary.

  • Page 6: Setting Up

    PREMIO System Manual Setting Up To set up your Athena system, simply connect your monitor, mouse, keyboard, and speakers to the rear of the midtower. Connect the female end of the power cord to the chassis power cord connector, and then connect the male end of the power cord to your wall...

  • Page 7: Connecting Your Keyboard, Mouse, And Speakers

    PREMIO System Manual Connecting Your Keyboard, Mouse, and Speakers The picture below is an enlarged view of the back I/O connectors. The keyboard, mouse, and speakers connectors are color coded for your reference. Simply connect your keyboard to the purple keyboard connector, and your mouse to the green mouse connector.

  • Page 8: Connecting Your Monitor

    PREMIO System Manual Connecting Your Monitor The next step is to connect your monitor to your video card. See picture below for the location of the video card connector. Once everything is connected, you can now turn on your monitor and system. See the...

  • Page 9: Switches And Indicators

    PREMIO System Manual Switches and Indicators The system unit’s front panel provides access to the CD-ROM, DVD-ROM, or CD- RW and floppy drives, and to the system’s switches and indicator LEDs. The CD/DVD/CDRW drive reads information on CDs or DVDs The floppy disk drive reads and writes data to 3.5”...

  • Page 10: Upgrading

    PREMIO System Manual Upgrading You can upgrade your system with: PREMIO Expansion cards Additional system memory Additional hard disk drive To install an upgrade, you must open the system unit. Before proceeding, read the important cautionary note below. Then follow the steps on the next page.

  • Page 11: Opening The System Unit

    PREMIO System Manual Opening the System Unit Note Opening the system unit could affect your warranty. Check with the dealer where you purchased your system before opening the system unit. To open the system unit, you will need a standard philips (the cross head, not the flat...
  • Page 12 PREMIO System Manual Next, using the screwdriver, remove the two screws as shown in the picture below. Once the two screws are removed, you can simply slide the side cover off by pulling it towards you.

  • Page 13: Closing The System Unit

    PREMIO System Manual Closing the System Unit To close the unit, slide the side panel back on and reinstall the two screws.

  • Page 14: Installing An Expansion Card

    PREMIO System Manual Installing an Expansion Card To install an expansion card, open the system unit as described on the previous page. Next, remove the screw securing the slot bracket cover for the expansion slot you want to use. Then remove the slot bracket and install your expansion card. Save the screw to secure the expansion card later.
  • Page 15 PREMIO System Manual Insert the expansion card firmly into the slot, making sure it is seated completely. Then install the screw onto the expansion card.

  • Page 16: Installing Additional Memory

    PREMIO System Manual Installing Additional Memory For details on memory configuration, including the placement and type of memory to use in your system, please refer to the motherboard user’s manual that came with your system.

  • Page 17: Installing An Additional Hard Disk Drive

    PREMIO System Manual Installing an Additional Hard Disk Drive To install an additional hard disk drive in your system, follow these steps: Disconnect the hard drive cable and power connector. Remove the two screws securing the drive bay. Slide the bay toward the rear of the system unit to remove it.

  • Page 18: Getting Help

    PREMIO System Manual Getting Help Troubleshooting Your system is designed to provide years of trouble-free PREMIO performance. If you have a problem with your system, first check the information in this section for a quick solution. Monitor Does Not Work If your monitor appears not to be working properly: Check that the monitor’s power cable is securely attached to the monitor and...

  • Page 19: Keyboard Does Not Work

    PREMIO System Manual Keyboard Does Not Work If the NumLock indicator in the upper right corner of the keyboard does not light when the system powers up, or the keyboard does not work: Check that the keyboard cable is securely attached to the system unit’s keyboard connector.

  • Page 20: System Unit Problems

    PREMIO System Manual System Unit Problems The fan inside the system unit should make a low, steady sound when operating properly. If the fan is totally silent: § Check that the system power cord is securely attached to the back of the system unit and to a power outlet.

  • Page 21: Technical Support

    Premio Computer, Inc. 918 Radecki Court City of Industry, CA 91748 Telephone: 800-568-6388 Fax: 626-839-3191 Email: support@premiopc.com PREMIO on the Internet maintains a web page on the Internet with the latest PREMIO information on products, updated drivers, answers to PREMIO common problems, an extensive component troubleshooting guide, and more.

  • Page 22: Appendix

    (hereinafter “Product”) to be free from defects in material and workmanship for a period of three (3) years from the date of original purchase from Premio Computer, Inc. or a Premio Computer, Inc. authorized reseller. This warranty does not cover monitor and LCD panels, nor third-party hardware and software which has a separate manufacturer’s warranty.
  • Page 23 PREMIO System Manual IN NO EVENT WILL PREMIO COMPUTER, INC. BE LIABLE TO THE CUSTOMER OR ANY THIRD PARTY FOR ANY DAMEAGES IN EXCESS OF THE PURCHASE PRICE OF THE PRODUCT. THIS LIMITATION APPLIES TO DAMAGES OF ANY KIND INCLUDING ANY DIRECT OR INDIRECT DAMAGES,...

  • Page 24: Fcc Standards

    FCC Standards The FCC (Federal Communications Commission) restricts the amount of radiation and radio frequency emissions from computing equipment. This equipment generates and uses radio frequency energy and if not installed and used properly in strict accordance with the operation instructions, reference manuals, and the service manual, may cause interference to radio or television reception.

  • Page 25: Important Safety Instructions

    PREMIO System Manual Important Safety Instructions These instructions are provided by Underwriters Laboratories, Inc. Read all of these instructions and save them for later reference. Follow all warnings and instructions marked on the product. Unplug this product from the wall outlet before cleaning. Do not use liquid or aerosol cleaners.
  • Page 26 voltage points or other risks. Refer all servicing on those compartments to service personnel. 13. Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions: A. When the power cord or plug is damaged or frayed. If liquid has been spilled into the product.

  • Page 27: Technical Product Specification

    Intel Desktop Board ® D845EBG2/D845EPT2 Technical Product Specification April 2002 Order Number: A84913-001 ® The Intel Desktop Boards D845EBG2/D845EPT2 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 D845EBG2/D845EPT2 Specification Update.

  • Page 28: Revision History

    Revision History Revision Revision History Date ® -001 First Release of the Intel Desktop Board D845EBG2/D845EPT2 April 2002 Technical Product Specification. ® This product specification applies to only standard Intel Desktop Boards D845EBG2 and D845EPT2 with BIOS identifier PT84520A.86A. Changes to this specification will be published in the Intel Desktop Board D845EBG2/D845EPT2 Specification Update before being incorporated into a revision of this document.

  • Page 29: Intended Audience

    Preface This Technical Product Specification (TPS) specifies the board layout, components, connectors, ® power and environmental requirements, and the BIOS for these Intel Desktop Boards: D845EBG2 and D845EPT2. It describes the standard product and available manufacturing options. Intended Audience The TPS is intended to provide detailed, technical information about the Desktop Boards D845EBG2 and D845EPT2 and their components to the vendors, system integrators, and other engineers and technicians who need this level of information.
  • Page 30 Intel Desktop Board D845EBG2/D845EPT2 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 Desktop Boards D845EBG2 and D845EPT2, and X is the instance of the particular part at that general location.
  • Page 31 Contents 1 Product Description Board Differences.......................11 Overview ........................12 1.2.1 Feature Summary ..................12 1.2.2 Manufacturing Options .................13 1.2.3 Board Layouts ....................14 1.2.4 Block Diagram....................16 Online Support ......................17 Operating System Support ..................17 Design Specifications ....................18 Processor ........................21 System Memory ......................22 ® Intel 845E Chipset ....................24 1.8.1 AGP ......................25...
  • Page 32 Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 2 Technical Reference Introduction.........................47 Memory Map ......................47 Fixed I/O Map......................48 DMA Channels ......................49 PCI Configuration Space Map ..................49 Interrupts ........................50 PCI Interrupt Routing Map ..................51 Connectors .........................53 2.8.1 Back Panel Connectors................54 2.8.2 Internal I/O Connectors ................57 2.8.3 External I/O Connectors ................70 Jumper Blocks......................74...
  • Page 33 Contents Boot Options.......................94 3.8.1 CD-ROM and Network Boot .................94 3.8.2 Booting Without Attached Devices ...............94 ® Fast Booting Systems with Intel Rapid BIOS Boot ............94 3.9.1 Peripheral Selection and Configuration ............94 3.9.2 Intel Rapid BIOS Boot ..................95 3.10 BIOS Security Features....................96 4 BIOS Setup Program Introduction.........................97 Maintenance Menu .....................98...
  • Page 34 Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification Location of the Standby Power Indicator LED ............44 Back Panel Connectors ....................54 Audio Connectors .......................58 Power and Hardware Control Connectors ..............60 D845EBG2 Add-in Board and Peripheral Interface Connectors........63 D845EPT2 Add-in Board and Peripheral Interface Connectors ........64 External I/O Connectors .....................70 Location of the Jumper Blocks..................74 Desktop Board D845EBG2 Dimensions ..............76...
  • Page 35 Contents Front Chassis Fan Connector ..................62 Chassis Intrusion Connector..................62 CNR Connector (Optional)..................65 PCI Bus Connectors ....................66 AGP Connector ......................67 Diskette Drive Connector....................68 PCI IDE Connectors ....................69 SCSI LED Connector....................69 Front Panel Audio Connector ..................71 Serial Port B Connector ....................71 Front Panel USB Connector ..................71 Auxiliary Front Panel Power/Sleep/Message-Waiting LED Connector ......71 Front Panel Connector ....................72 States for a One-Color Power LED................72...
  • Page 36 Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification Exit Menu .........................118 BIOS Error Messages....................119 Uncompressed INIT Code Checkpoints..............121 Boot Block Recovery Code Checkpoints ..............121 Runtime Code Uncompressed in F000 Shadow RAM ..........122 Bus Initialization Checkpoints ...................125 Upper Nibble High Byte Functions................125 Lower Nibble High Byte Functions................126 Beep Codes......................127...

  • Page 37: Product Description

    1 Product Description What This Chapter Contains Board Differences.......................11 Overview ........................12 Online Support ......................17 Operating System Support ..................17 Design Specifications ....................18 Processor ........................21 System Memory ......................22 ® Intel 845E Chipset ....................24 I/O Controller ......................28 1.10 Audio Subsystem (Optional) ..................30 1.11 LAN Subsystem (Optional) ..................32 1.12 CNR (Optional) ......................33 1.13 Hardware Management Subsystem................34 1.14 Power Management ....................37...

  • Page 38: Overview

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 1.2 Overview 1.2.1 Feature Summary Table 2 summarizes the major features of the Desktop Boards D845EBG2 and D845EPT2. Table 2. Feature Summary Form Factor D845EBG2: ATX (12.00 inches by 8.20 inches) D845EPT2: microATX (9.60 inches by 8.20 inches) •...

  • Page 39: Manufacturing Options

    Product Description Table 2. Feature Summary (continued) • Intel/AMI BIOS (resident in the 4 Mbit FWH) BIOS • Support for Advanced Configuration and Power Interface (ACPI), Plug and Play, and SMBIOS • Support for PCI Local Bus Specification Revision 2.2 Instantly Available PC Technology •...

  • Page 40: Board Layouts

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 1.2.3 Board Layouts Figure 1 shows the location of the major components on the Desktop Board D845EBG2. OM14226 Audio codec (optional) IDE connectors Intel 82562ET PLC device (optional) Diskette drive connector AGP connector 4 Mbit Firmware Hub (FWH) Back panel connectors Speaker...

  • Page 41: Desktop Board D845Ept2 Components

    Product Description Figure 2 shows the location of the major components on the Desktop Board D845EPT2. OM14236 Audio codec (optional) IDE connectors Intel 82562ET PLC device (optional) Diskette drive connector AGP connector 4 Mbit Firmware Hub (FWH) Back panel connectors Speaker +12 V power connector (ATX12V) Front panel connector...

  • Page 42: Block Diagram

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 1.2.4 Block Diagram Figure 3 is a block diagram of the major functional areas of the Desktop Boards D845EBG2 and D845EPT2. See Figure 5 on page 26 for USB port routing. = connector or socket Back Panel/ Front Panel USB Ports...

  • Page 43: Online Support

    Product Description 1.3 Online Support To find information about… Visit this World Wide Web site: Intel Desktop Boards D845EBG2 and http://www.intel.com/design/motherbd D845EPT2 under “Desktop Board Products” or “Desktop Board Support” http://support.intel.com/support/motherboards/desktop Available configurations for the Desktop http://developer.intel.com/design/motherbd/bg2/bg2_available.htm Board D845EBG2 Available configurations for the Desktop http://developer.intel.com/design/motherbd/pt2/pt2_available.htm Board D845EPT2 Processor data sheets...

  • Page 44: Design Specifications

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 1.5 Design Specifications Table 4 lists the specifications applicable to the Desktop Boards D845EBG2 and D845EPT2. Table 4. Specifications Reference Specification Version, Revision Date, The information is Name Title and Ownership available from… AC ’97 Audio Codec ’97 Revision 2.2,...
  • Page 45 Product Description Table 4. Specifications (continued) Reference Specification Version, Revision Date and The information is Name Title Ownership available from… Double Data Rate (DDR) Version 1.0, http://www.jedec.org/ SDRAM Specification SDRAM June 2000, JEDEC Solid State Technology Association. Design Specification for Revision 1.0, http://www.jedec.org/ a 184 Pin DDR...
  • Page 46 Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification Table 4. Specifications (continued) Reference Specification Version, Revision Date The information is Name Title and Ownership available from… Preboot Execution Version 2.1, ftp://download.intel.com/ial/ Environment September 20, 1999, wfm/pxespec.pdf Intel Corporation. SFX/SFX12V Power Version 2.0, http://www.formfactors.org/ Supply Design Guide May 2001,...

  • Page 47: Processor

    Product Description 1.6 Processor CAUTION Use of unsupported processors can damage the Desktop Board, the processor, and the power supply. See Intel’s World Wide Web site for the most up-to-date list of supported processors for Desktop Boards D845EBG2 and D845EPT2. Desktop Boards D845EBG2 and D845EPT2 support the following: •...

  • Page 48: System Memory

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 1.7 System Memory The Desktop Boards D845EBG2 and D845EPT2 both have two DIMM sockets and support the following memory features: • 2.5 V (only) 184-pin DDR SDRAM DIMMs with gold-plated contacts • Unbuffered, unregistered single-sided or double-sided DIMMs •...

  • Page 49: Supported Memory Configurations

    Product Description Table 5 lists the supported DIMM configurations. Table 5. Supported Memory Configurations DIMM Number of DDR SDRAM DDR SDRAM Organization Number of DDR (Note 1) Capacity Sides Density Front-side/Back-side SDRAM Devices 64 MB 64 Mbit 8 M x 8/empty 64 MB 128 Mbit 8 M x 16/empty...

  • Page 50: Intel ® 845E Chipset

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification ® 1.8 Intel 845E Chipset The Intel 845E chipset consists of the following devices: • Intel 82845E Memory Controller Hub (MCH) with Accelerated Hub Architecture (AHA) bus • Intel 82801DB I/O Controller Hub (ICH4) with AHA bus •...

  • Page 51: Agp

    Product Description 1.8.1 AGP The AGP connector supports AGP add-in cards with 1.5 V Switching Voltage Level (SVL). Legacy 3.3 V AGP cards are not supported. For information about Refer to The location of the AGP connector Figure 1, page 14 The signal names of the AGP connector Table 36, page 67 ✏...

  • Page 52: Usb

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 1.8.2 USB The Desktop Boards D845EBG2 and D845EPT2 support up to six USB 2.0 ports and fully support UHCI and EHCI and use UHCI- and EHCI-compatible drivers. For more than six USB devices, an external hub can be connected to any of the ports.

  • Page 53: Ide Support

    Product Description 1.8.3 IDE Support 1.8.3.1 IDE Interfaces The ICH4’s IDE controller has two independent bus-mastering IDE interfaces that can be independently enabled. The IDE interfaces support 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 54: Real-Time Clock, Cmos Sram, And Battery

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 1.8.4 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 55: Parallel Port

    Product Description 1.9.2 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 10, page 54 The signal names of the parallel port connector Table 20, page 55...

  • Page 56: Audio Subsystem (Optional)

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 1.10 Audio Subsystem (Optional) The audio subsystem consists of the following devices: • Intel 82801DB I/O Controller Hub (ICH4) • Analog Devices AD1981A audio codec (optional) The audio subsystem includes these features: • Split digital/analog architecture for improved S/N (signal-to-noise) ratio: ≥...

  • Page 57: Audio Connectors

    Product Description 1.10.1 Audio Connectors 1.10.1.1 Front Panel Audio Connector A 2 x 5-pin connector provides mic in and line out signals for front panel audio connectors. For information about Refer to The location of the connector Section 2.8.3, page 70 The signal names of the front panel audio connector Table 40, page 71 Obtaining the Front Panel I/O Connectivity Design Guide...

  • Page 58: Lan Subsystem (Optional)

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 1.11 LAN Subsystem (Optional) The Network Interface Controller subsystem consists of the ICH4 (with integrated LAN Media Access Controller) and a physical layer interface device. Features of the LAN subsystem include: • PCI Bus Master interface •...

  • Page 59: Lan Subsystem Software

    Product Description 1.11.3 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 Section 1.3, page 17 1.12 CNR (Optional) The Communication and Networking Riser (CNR) connector provides an interface that supports the audio, modem, and LAN interfaces of the Intel 845E chipset.

  • Page 60: Hardware Management Subsystem

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification ✏ NOTE The brand and type of audio codec used on the CNR card must match that of the Desktop Boards’ codec (Analog Devices AD1981A). ✏ NOTE Check with your CNR vendor to ensure that the CNR card has been tested with ICH4-based systems.

  • Page 61: Hardware Monitoring Asics

    Product Description 1.13.1 Hardware Monitoring ASICs The Desktop Boards provide one of the following: • A hardware monitoring ASIC • A hardware monitoring and fan control ASIC The features of these components are described in this section. Contact your Intel sales representative to determine which type of hardware monitoring ASIC is present on your Intel Desktop Board.

  • Page 62: Fan Monitoring

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 1.13.1.3 Thermal Monitoring Figure 8 shows the location of the sensors and fan connectors. OM14244 OM14387 Thermal diode, located on processor die Ambient temperature sensor, internal to both hardware monitoring ASIC options (Note) Remote ambient temperature sensor Processor fan Rear chassis fan...

  • Page 63: Chassis Intrusion And Detection

    Product Description 1.13.3 Chassis Intrusion and Detection The Desktop Boards D845EBG2 and D845EPT2 support a chassis security feature that detects if the chassis cover is removed. For the chassis intrusion circuit to function, the chassis’ power supply must be connected to AC power. The security feature uses a mechanical switch on the chassis that attaches to the chassis intrusion connector.

  • Page 64: Acpi

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 1.14.1 ACPI ACPI gives the operating system direct control over the power management and Plug and Play functions of a computer. The use of ACPI with the Desktop Boards D845EBG2 and D845EPT2 requires an operating system that provides full ACPI support. ACPI features include: •...

  • Page 65: Power States And Targeted System Power

    Product Description 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 in and out of low-power states based on user preferences and knowledge of how devices are being used by applications. Devices that are not being used can be turned off.

  • Page 66: Hardware Support

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 1.14.1.2 Wake-up Devices and Events Table 9 lists the devices or specific events that can wake the computer from specific states. Table 9. Wake-up Devices and Events These devices/events can wake up the computer… …from this state S1, S3, S4, S5 (Note)

  • Page 67: Fan Connector Function/Operation For Desktop Boards With A Hardware Monitoring Asic

    Product Description 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 68: Fan Connector Function/Operation For Desktop Boards With A Hardware Monitoring And Fan Control Asic

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification Table 11. Fan Connector Function/Operation for Desktop Boards with a Hardware Monitoring and Fan Control ASIC Connector Description • +12 V DC connection for a processor fan or active fan heatsink. Processor fan •...
  • Page 69 Product Description 1.14.2.4 Instantly Available PC Technology CAUTION For Instantly Available PC technology, the +5 V standby line for the power supply must be capable of providing adequate +5 V standby current. Failure to provide adequate standby current when implementing Instantly Available PC technology can damage the power supply. Refer to Section 2.11.3 on page 81 for additional information.

  • Page 70: Location Of The Standby Power Indicator Led

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 1.14.2.5 +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 9 shows the location of the standby power indicator LED. 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 Desktop Board.
  • Page 71 Product Description 1.14.2.7 Wake from USB USB bus activity wakes the computer from ACPI S1 or S3 states. ✏ NOTE Wake from USB requires the use of a USB peripheral that supports Wake from USB. 1.14.2.8 Wake from PS/2 Devices PS/2 device activity wakes the computer from an ACPI S1 or S3 state.
  • Page 72 Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification...

  • Page 73: Introduction

    2 Technical Reference What This Chapter Contains Introduction.........................47 Memory Map ......................47 Fixed I/O Map......................48 DMA Channels ......................49 PCI Configuration Space Map ..................49 Interrupts ........................50 PCI Interrupt Routing Map ..................51 Connectors .........................53 Jumper Blocks......................74 2.10 Mechanical Considerations..................76 2.11 Electrical Considerations ....................80 2.12 Thermal Considerations....................83 2.13 Reliability ........................85 2.14 Environmental ......................85...

  • Page 74: Fixed I/O Map

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 2.3 Fixed I/O Map Table 13. I/O Map Address (hex) Size Description 0000 - 00FF 256 bytes Used by the Desktop Board D845EBG2/D845EPT2. Refer to the ICH4 data sheet for dynamic addressing information. 0170 - 0177 8 bytes Secondary IDE channel...

  • Page 75: Dma Channels

    Technical Reference 2.4 DMA Channels Table 14. 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 Parallel port (for ECP or EPP) 8 or 16 bits DMA controller 16 bits...

  • Page 76: Interrupts

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 2.6 Interrupts The interrupts can be routed through either the Programmable Interrupt Controller (PIC) or the Advanced Programmable Interrupt Controller (APIC) portion of the ICH4 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 77: Pci Interrupt Routing Map

    Technical Reference 2.7 PCI Interrupt Routing Map This section describes interrupt sharing and how the interrupt signals are connected between the PCI bus connectors and onboard PCI devices. The PCI specification specifies how interrupts can be shared between devices attached to the PCI bus. In most cases, the small amount of latency added by interrupt sharing does not affect the operation or throughput of the devices.

  • Page 78: Pci Interrupt Routing Map

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification Table 17. PCI Interrupt Routing Map ICH4 PIRQ Signal Name PCI Interrupt Source PIRQA PIRQB PIRQC PIRQD PIRQE PIRQF PIRQG PIRQH AGP connector INTA INTB ICH4 USB UHCI controller 1 INTA SMBus controller INTB ICH4 USB UHCI controller 2 INTB...

  • Page 79: Connectors

    Technical Reference 2.8 Connectors CAUTION Only the back panel USB, front panel USB, VGA, and PS/2 connectors of the Desktop Boards D845EBG2 and D845EPT2 have overcurrent protection. The Desktop Boards’ internal connectors are not overcurrent protected and should connect only to devices inside the computer’s chassis, such as fans and internal peripherals.

  • Page 80: Back Panel Connectors

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 2.8.1 Back Panel Connectors Figure 10 shows the location of the back panel connectors. The back panel connectors are color-coded in compliance with PC 99 recommendations. The figure legend below lists the colors used. OM14238 Item Description Color...

  • Page 81: Ps/2 Mouse/Keyboard Connector

    Technical Reference Table 18. PS/2 Mouse/Keyboard Connector Signal Name Data Not connected Ground +5 V (Fused) Clock Not connected Table 19. USB Connectors Signal Name +5 V (Fused) USB# Ground Table 20. Parallel Port Connector Standard Signal Name ECP Signal Name EPP Signal Name STROBE# STROBE#...

  • Page 82: Serial Port A Connector

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification Table 21. Serial Port A Connector Signal Name DCD (Data Carrier Detect) RXD# (Receive Data) TXD# (Transmit Data) DTR (Data Terminal Ready) Ground DSR (Data Set Ready) RTS (Request to Send) CTS (Clear to Send) RI (Ring Indicator) Table 22.

  • Page 83: Internal I/O Connectors

    Technical Reference 2.8.2 Internal I/O Connectors The internal I/O connectors are divided into the following functional groups: • Audio (see page 58)  Auxiliary line in  ATAPI CD-ROM • Power and hardware control (see page 60)  Fans (three) ...

  • Page 84: Audio Connectors

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 2.8.2.2 Audio Connectors Figure 11 shows the location of the audio connectors. OM14239 Item Description Color For more information see: Auxiliary line in, ATAPI style White Table 26 ATAPI CD-ROM Black Table 27 Figure 11.

  • Page 85: Auxiliary Line In Connector

    Technical Reference Table 26. Auxiliary Line In Connector Signal Name Left auxiliary line in Ground Ground Right auxiliary line in Table 27. ATAPI CD-ROM Connector Signal Name Left audio input from CD-ROM CD audio differential ground CD audio differential ground Right audio input from CD-ROM...

  • Page 86: Power And Hardware Control Connectors

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 2.8.2.3 Power and Hardware Control Connectors Figure 12 shows the location of the power and hardware control connectors. OM14240 Item Description For more information see: +12 V power connector (ATX12V) Table 28 Rear chassis fan Table 29 Processor fan Table 30...

  • Page 87: Atx12V Power Connector

    Technical Reference ✏ NOTE Use only ATX12V-compliant power supplies with the Desktop Board D845EBG2 and only ATX12V- or SFX12V-compliant power supplies with the Desktop Board D845EPT2. ATX12V and SFX12V power supplies have an additional power lead that provides required supplemental power for the processor.

  • Page 88: Main Power Connector

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification Table 31. Main Power Connector Signal Name Signal Name +3.3 V +3.3 V +3.3 V -12 V Ground Ground +5 V PS-ON# (power supply remote on/off) Ground Ground +5 V Ground Ground Ground PWRGD (Power Good) No connect +5 V (Standby)

  • Page 89: D845Ebg2 Add-In Board And Peripheral Interface Connectors

    Technical Reference 2.8.2.4 Add-in Board and Peripheral Interface Connectors Figure 13 shows the location of the add-in board connector and peripheral connectors for the Desktop Board D845EBG2. Note the following considerations for the PCI bus connectors (for both Desktop Boards): •...

  • Page 90: D845Ept2 Add-In Board And Peripheral Interface Connectors

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification Figure 14 shows the location of the add-in board connector and peripheral connectors for the Desktop Board D845EPT2. OM14241 Item Description For more information see: Communication and Networking Riser (CNR) Table 34 PCI bus connector 3 Table 35 PCI bus connector 2 Table 35...

  • Page 91: Cnr Connector (Optional)

    Technical Reference Table 34. CNR Connector (Optional) Signal Name Signal Name Reserved Reserved Reserved Reserved Ground Reserved Reserved Ground Reserved Reserved Ground Reserved LAN_TXD2 Ground LAN_TXD0 LAN_TXD1 Ground LAN_RSTSYNC LAN_CLK Ground LAN_RXD1 LAN_RXD2 Reserved LAN_RXD0 USB+ Ground Ground Reserved USB- +5 V (dual) +12 V USB_OC...

  • Page 92: Pci Bus Connectors

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification Table 35. PCI Bus Connectors Signal Name Signal Name Signal Name Signal Name Ground (TRST#)* -12 V AD16 AD17 +12 V Ground (TCK)* +3.3 V C/BE2# +5 V (TMS)* Ground FRAME# Ground +5 V (TDI)* Not connected (TDO)* Ground IRDY#...

  • Page 93: Agp Connector

    Technical Reference Table 36. AGP Connector Signal Name Signal Name Signal Name Signal Name +12 V Not connected A34 Vddq Vddq TYPEDET# +5 V AD22 AD21 Reserved +5 V AD20 AD19 Not connected Not connected A37 Ground Ground Ground Ground AD18 AD17 INTA#...

  • Page 94: Diskette Drive Connector

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification Table 37. Diskette Drive Connector Signal Name Signal Name Ground DENSEL Not connected DRVDEN1 Ground FDINDX# Ground MTR0# (Motor Enable A) Ground Not connected Ground DS0# (Drive Select A) Ground Not connected Not connected DIR# (Stepper Motor Direction) Ground STEP# (Step Pulse)

  • Page 95: Pci Ide Connectors

    Technical Reference Table 38. PCI IDE Connectors Signal Name Signal Name Reset IDE Ground Data 7 Data 8 Data 6 Data 9 Data 5 Data 10 Data 4 Data 11 Data 3 Data 12 Data 2 Data 13 Data 1 Data 14 Data 0 Data 15...

  • Page 96: External I/O Connectors

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 2.8.3 External I/O Connectors Figure 15 shows the locations of the external I/O connectors. OM14242 Item Description For more information see: Front panel audio Table 40 Serial port B Table 41 Auxiliary front panel power/sleep/message-waiting LED Table 43 Front panel Table 44...

  • Page 97: Front Panel Audio Connector

    Technical Reference Table 40. Front Panel Audio Connector Signal Name Signal Name MIC_IN_FP Ground MIC_BIAS V_5P0_AUD_ANALOG R_FNTOUT R_RETIN Ground L_FNT_OUT L_RETIN ✏ NOTE The front panel audio connector is alternately used as a jumper block for routing audio signals. Refer to Section 2.9.1 on page 74 for more information. Table 41.

  • Page 98: Front Panel Connector

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 2.8.3.2 Front Panel Connector This section describes the functions of the front panel connector. Table 44 lists the signal names of the front panel connector. Table 44. Front Panel Connector Signal In/Out Description Signal In/Out Description...

  • Page 99: States For A Two-Color Power Led

    Technical Reference Table 46. States for a Two-Color Power LED LED State Description Power off Steady Green Running Blinking Green Running/message waiting Steady Yellow Sleeping Blinking Yellow Sleeping/message waiting ✏ NOTE To use the message waiting function, ACPI must be enabled in the operating system and a message-capturing application must be invoked.

  • Page 100: Jumper Blocks

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 2.9 Jumper Blocks CAUTION Do not move any jumpers with the power on. Always turn off the power and unplug the power cord from the computer before changing a jumper setting. Otherwise, the Desktop Board could be damaged.

  • Page 101: Bios Setup Configuration Jumper Block

    Technical Reference CAUTION Do not place jumpers on this block in any configuration other than the one described in Table 47. Other jumper configurations are not supported and could damage the Desktop Board. Table 47. Front Panel Audio Connector/Jumper Block Jumper Setting Configuration Audio line out signals are routed to the back panel audio line out...

  • Page 102: Mechanical Considerations

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 2.10 Mechanical Considerations 2.10.1 D845EBG2 Form Factor The Desktop Board D845EBG2 is designed to fit into an ATX-form-factor chassis. Figure 17 illustrates the mechanical form factor for the Desktop Board D845EBG2. Dimensions are given in inches [millimeters].

  • Page 103: D845Ept2 Form Factor

    Technical Reference 2.10.2 D845EPT2 Form Factor The Desktop Board D845EPT2 is designed to fit into either a microATX or an ATX-form-factor chassis. Figure 18 illustrates the mechanical form factor for the Desktop Board D845EPT2. Dimensions are given in inches [millimeters]. The outer dimensions are 9.60 inches by 8.20 inches [243.84 millimeters by 208.28 millimeters].

  • Page 104: I/O Shield

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 2.10.3 I/O Shield The back panel I/O shield for the Desktop Boards D845EBG2 and D845EPT2 must meet specific dimension and material requirements. Systems based on these Desktop Boards need the back panel I/O shield to pass certification testing. Figures 19 and 20 show the critical dimensions of the two types of chassis-dependent I/O shields for the Desktop Boards.

  • Page 105: I/O Shield Dimensions (For Desktop Boards With No Lan Subsystem)

    Technical Reference 6.390 Ref [162.300] 0.063±0.005 [1.600±0.120] 0.787±0.010 TYP [20±0.254] 3x Dia 0.330 [8.380] 0.039 Dia. [1.000] 8X R0.5 MIN 0.884 [22.450] 0.519 [13.190] 0.276 0.027 [7.012] [0.690] 1.89 0.00 0.465 [11.811] 0.465 [11.811] 0.567 [14.400] 0.567 [14.400] 0.621 [15.770] Pictorial View OM12868...

  • Page 106: Electrical Considerations

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 2.11 Electrical Considerations 2.11.1 Power Consumption Table 49 lists voltage and current measurements for a computer that contains the Desktop Board D845EBG2/D845EPT2 and the following: • 2.4 GHz Intel Pentium 4 processor with a 512 KB cache •...

  • Page 107: Standby Current Requirements

    Technical Reference 2.11.3 Standby Current Requirements CAUTION If the standby current necessary to support multiple wake events from the PCI and/or USB buses exceeds power supply capacity, the Desktop Boards D845EBG2 and D845EPT2 may lose register settings stored in memory, etc. Calculate the standby current requirements using the steps described below.

  • Page 108: Fan Connector Current Capability

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification ✏ NOTE IBM PS/2 Port Specification (Sept 1991) states: • 275 mA for keyboard • 70 mA for the mouse (nonwake-enable device) PCI/AGP requirements are calculated by totaling the following: • One wake-enabled device @ 375 mA, plus •...

  • Page 109: Power Supply Considerations

    Technical Reference 2.11.5 Power Supply 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 current required depends on the wake devices supported and manufacturing options.

  • Page 110: Localized High Temperature Zones

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification Figure 21 shows the locations of the localized high temperature zones. OM14244 OM14245 Processor voltage regulator area Processor Intel 82845E MCH Intel 82801DB ICH4 Figure 21. Localized High Temperature Zones Table 52 provides maximum case temperatures for the Desktop Board D845EBG2/D845EPT2 components that are sensitive to thermal changes.

  • Page 111: Reliability

    Technical Reference 2.13 Reliability The Mean Time Between Failures (MTBF) prediction is calculated using component and subassembly random failure rates. 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.

  • Page 112: Regulatory Compliance

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 2.15 Regulatory Compliance This section describes the Desktop Boards’ compliance with U.S. and international safety and electromagnetic compatibility (EMC) regulations. 2.15.1 Safety Regulations Table 54 lists the safety regulations the Desktop Boards D845EBG2 and D845EPT2 comply with when correctly installed in a compatible host system.

  • Page 113: Product Certification Markings (Board Level)

    Technical Reference 2.15.3 Product Certification Markings (Board Level) The Desktop Boards D845EBG2 and D845EPT2 have the following product certification markings: • UL joint US/Canada Recognized Component mark: Consists of lower case c followed by a stylized backward UR and followed by a small US. Includes adjacent UL file number for Intel Desktop Boards: E210882 (component side).
  • Page 114 Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification...

  • Page 115: Overview Of Bios Features 3.1 Introduction

    3 Overview of BIOS Features What This Chapter Contains Introduction.........................89 BIOS Flash Memory Organization ................90 Resource Configuration ....................90 System Management BIOS (SMBIOS) ...............91 Legacy USB Support ....................91 BIOS Updates ......................92 Recovering BIOS Data ....................93 Boot Options.......................94 ® Fast Booting Systems with Intel Rapid BIOS Boot ............94 3.10 BIOS Security Features....................96 3.1 Introduction...

  • Page 116: Bios Flash Memory Organization

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 3.2 BIOS Flash Memory Organization The Firmware Hub (FWH) includes a 4 Mbit (512 KB) symmetrical flash memory device. Internally, the device is grouped into eight 64-KB blocks that are individually erasable, lockable, and unlockable.

  • Page 117: System Management Bios (Smbios)

    Overview of BIOS Features 3.4 System Management BIOS (SMBIOS) SMBIOS is a Desktop Management Interface (DMI) compliant method for managing computers in a managed network. The main component of SMBIOS is the Management Information Format (MIF) database, which contains information about the computing system and its components. Using SMBIOS, a system administrator can obtain the system types, capabilities, operational status, and installation dates for system components.

  • Page 118: Bios Updates

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 5. The operating system loads. While the operating system is loading, USB keyboards and mice are recognized and may be used to configure the operating system. (Keyboards and mice are not recognized during this period if Legacy USB support was set to Disabled in the BIOS Setup program.) 6.

  • Page 119: Language Support

    Overview of BIOS Features 3.6.1 Language Support The BIOS Setup program and help messages are supported in five languages: US English, German, Italian, French, and Spanish. The default language is US English, which is present unless another language is selected in the BIOS Setup program. 3.6.2 Custom Splash Screen During POST, an Intel splash screen is displayed by default.

  • Page 120: Boot Options

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 3.8 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 121: Intel Rapid Bios Boot

    Overview of BIOS Features 3.9.2 Intel Rapid BIOS Boot Use of the following BIOS Setup program settings reduces the POST execution time. In the Boot Menu: • Set the hard disk drive as the first boot device. As a result, the POST does not first seek a diskette drive, which saves about one second from the POST execution time.

  • Page 122: Bios Security Features

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 3.10 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 123: Bios Setup Program

    4 BIOS Setup Program What This Chapter Contains Introduction.........................97 Maintenance Menu .....................98 Main Menu........................99 Advanced Menu......................100 Security Menu ......................113 Power Menu ......................114 Boot Menu ........................115 Exit Menu .........................118 4.1 Introduction The BIOS Setup program can be used to view and change the BIOS settings for the computer. The BIOS Setup program is accessed by pressing the <F2>...

  • Page 124: Maintenance Menu

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification Table 58 lists the function keys available for menu screens. Table 58. BIOS Setup Program Function Keys BIOS Setup Program Function Key Description <←> or <→> Selects a different menu screen (Moves the cursor left or right) <↑>...

  • Page 125: Main Menu

    BIOS Setup Program 4.3 Main Menu To access this menu, select Main on the menu bar at the top of the screen. Maintenance Advanced Security Power Boot Exit Main Table 60 describes the Main menu. This menu reports processor and memory information and is for configuring the system date and system time.

  • Page 126: Advanced Menu

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 4.4 Advanced Menu To access this menu, select Advanced on the menu bar at the top of the screen. Maintenance Main Security Power Boot Exit Advanced PCI Configuration Boot Configuration Peripheral Configuration IDE Configuration Diskette Configuration Event Log Configuration Video Configuration...

  • Page 127: Pci Configuration Submenu

    BIOS Setup Program 4.4.1 PCI Configuration Submenu To access this submenu, select Advanced on the menu bar and then PCI Configuration. Maintenance Main Security Power Boot Exit Advanced PCI Configuration Boot Configuration Peripheral Configuration IDE Configuration Diskette Configuration Event Log Configuration Video Configuration USB Configuration Chipset Configuration...

  • Page 128: Boot Configuration Submenu

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification Table 62. PCI Configuration Submenu (continued) Feature Options Description • Auto (default) PCI Slot6 IRQ Priority Allows selection of IRQ priority for PCI bus connector 6. • 5 (Note 1, Note 2) • 9 •...

  • Page 129: Peripheral Configuration Submenu

    BIOS Setup Program 4.4.3 Peripheral Configuration Submenu To access this submenu, select Advanced on the menu bar and then Peripheral Configuration. Maintenance Main Security Power Boot Exit Advanced PCI Configuration Boot Configuration Peripheral Configuration IDE Configuration Diskette Configuration Event Log Configuration Video Configuration USB Configuration Chipset Configuration...
  • Page 130 Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification Table 64. Peripheral Configuration Submenu (continued) Feature Options Description • Disabled Parallel port Configures the parallel port. • Enabled Auto assigns LPT1 the address 378h and the interrupt IRQ7. • Auto (default) An * (asterisk) displayed next to an address indicates a conflict with another device.

  • Page 131: Ide Configuration Submenu

    BIOS Setup Program 4.4.4 IDE Configuration Submenu To access this submenu, select Advanced on the menu bar and then IDE Configuration. Maintenance Main Security Power Boot Exit Advanced PCI Configuration Boot Configuration Peripheral Configuration IDE Configuration Diskette Configuration Event Log Configuration Video Configuration USB Configuration Chipset Configuration...

  • Page 132: Primary/Secondary Ide Master/Slave Submenus

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 4.4.4.1 Primary/Secondary IDE Master/Slave Submenus To access these submenus, select Advanced on the menu bar, then IDE Configuration, and then the master or slave to be configured. Maintenance Main Security Power Boot Exit Advanced PCI Configuration Boot Configuration...
  • Page 133 BIOS Setup Program Table 66. Primary/Secondary IDE Master/Slave Submenus (continued) Feature Options Description • Auto (default) Specifies the DMA mode for the drive. DMA Mode • SWDMA0 Auto = Auto-detected • SWDMA1 SWDMAn = Single Word DMAn • SWDMA2 SWDMAn = Multi Word DMAn •...

  • Page 134: Diskette Configuration Submenu

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 4.4.5 Diskette Configuration Submenu To access this menu, select Advanced on the menu bar and then Diskette Configuration. Maintenance Main Security Power Boot Exit Advanced PCI Configuration Boot Configuration Peripheral Configuration IDE Configuration Diskette Configuration Event Log Configuration Video Configuration...

  • Page 135: Event Log Configuration Submenu

    BIOS Setup Program 4.4.6 Event Log Configuration Submenu To access this menu, select Advanced on the menu bar and then Event Log Configuration. Maintenance Main Security Power Boot Exit Advanced PCI Configuration Boot Configuration Peripheral Configuration IDE Configuration Diskette Configuration Event Log Configuration Video Configuration USB Configuration...

  • Page 136: Video Configuration Submenu

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 4.4.7 Video Configuration Submenu To access this menu, select Advanced on the menu bar and then Video Configuration. Maintenance Main Security Power Boot Exit Advanced PCI Configuration Boot Configuration Peripheral Configuration IDE Configuration Diskette Configuration Event Log Configuration Video Configuration...

  • Page 137: Usb Configuration Submenu

    BIOS Setup Program 4.4.8 USB Configuration Submenu To access this menu, select Advanced on the menu bar and then USB Configuration. Maintenance Main Security Power Boot Exit Advanced PCI Configuration Boot Configuration Peripheral Configuration IDE Configuration Diskette Configuration Event Log Configuration Video Configuration USB Configuration Chipset Configuration...

  • Page 138: Chipset Configuration Submenu

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 4.4.9 Chipset Configuration Submenu To access this menu, select Advanced on the menu bar and then Chipset Configuration. Maintenance Main Security Power Boot Exit Advanced PCI Configuration Boot Configuration Peripheral Configuration IDE Configuration Diskette Configuration Event Log Configuration Video Configuration...

  • Page 139: Security Menu

    BIOS Setup Program Table 71. Primary/Secondary IDE Master/Slave Submenus (continued) Feature Options Description • 7 SDRAM RAS# Active to Corresponds to tRAS. Precharge • 6 • 5 (default) • 2.5 SDRAM CAS# Latency Selects the number of clock cycles required to address a column in memory.

  • Page 140: Power Menu

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 4.6 Power Menu To access this menu, select Power from the menu bar at the top of the screen. Maintenance Main Advanced Security Boot Exit Power ACPI The menu represented in Table 73 is for setting the power management features. Table 73.

  • Page 141: Boot Menu

    BIOS Setup Program 4.7 Boot Menu To access this menu, select Boot from the menu bar at the top of the screen. Maintenance Main Advanced Security Power Exit Boot Boot Device Priority Hard Disk Drives Removable Devices ATAPI CD-ROM Drives The menu represented in Table 75 is used to set the boot features and the boot sequence.

  • Page 142: Boot Device Priority Submenu

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 4.7.1 Boot Device Priority Submenu To access this menu, select Boot on the menu bar and then Boot Devices Priority. Maintenance Main Advanced Security Power Exit Boot Boot Device Priority Hard Disk Drives Removable Devices ATAPI CD-ROM Drives The submenu represented in Table 76 is for setting boot devices priority.

  • Page 143: Hard Disk Drives Submenu

    BIOS Setup Program 4.7.2 Hard Disk Drives Submenu To access this menu, select Boot on the menu bar and then Hard Disk Drives. Maintenance Main Advanced Security Power Exit Boot Boot Device Priority Hard Disk Drives Removable Devices ATAPI CD-ROM Drives The submenu represented in Table 77 is for setting hard disk drive priority.

  • Page 144: Atapi Cd-Rom Drives Submenu

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 4.7.4 ATAPI CD-ROM Drives Submenu To access this menu, select Boot on the menu bar and then ATAPI CD-ROM Drives. Maintenance Main Advanced Security Power Exit Boot Boot Device Priority Hard Disk Drives Removable Devices ATAPI CD-ROM Drives The submenu represented in Table 79 is for setting ATAPI CD-ROM drive priority.

  • Page 145: Error Messages And Beep Codes

    5 Error Messages and Beep Codes What This Chapter Contains BIOS Error Messages....................119 Port 80h POST Codes....................121 Bus Initialization Checkpoints ...................125 Speaker ........................126 BIOS Beep Codes ....................126 5.1 BIOS Error Messages Table 81 lists the error messages and provides a brief description of each. Table 81.
  • Page 146 Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification Table 81. BIOS Error Messages (continued) Error Message Explanation Checking NVRAM..NVRAM is being checked to see if it is valid. 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.

  • Page 147: Port 80H Post Codes

    Error Messages and Beep Codes 5.2 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 148: Runtime Code Uncompressed In F000 Shadow Ram

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification Table 84. 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. CPU init and CPU data area init to be done.
  • Page 149 Error Messages and Beep Codes Table 84. 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 150 Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification Table 84. 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. Password checked.

  • Page 151: Bus Initialization Checkpoints

    Error Messages and Beep Codes Table 84. 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 152: Bios Beep Codes

    Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification Table 87 describes the lower nibble of the high byte and indicates the bus on which the routines are being executed. Table 87. Lower Nibble High Byte Functions Value Description Generic DIM (Device Initialization Manager) On-board System devices ISA devices EISA devices...

  • Page 153: Beep Codes

    Error Messages and Beep Codes If POST completes normally, the BIOS issues one short beep before passing control to the operating system. Table 88. Beep Codes Beep Description Refresh failure Parity cannot be reset First 64 KB memory failure Timer not operational Not used 8042 GateA20 cannot be toggled Exception interrupt error...
  • Page 154 Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification...

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