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Intel D845GLLY Specification

Desktop board product supplement document
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Download this manual See also: Using Manual
Product Supplement Document
for the
Intel
D845GLLY
A companion document to the Technical Product
Specification for Intel
using the Intel
®
®
Intel
Desktop Boards using the Intel
845GL Chipset 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 Specification Update for Intel Desktop Boards using the Intel 845GL Chipset.
Desktop Board
®
®
845GL Chipset
®
Desktop Boards
April 2002
Order Number: A86194-001

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Summary of Contents for Intel D845GLLY

  • Page 1 Desktop Boards using the Intel 845GL Chipset 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 Specification Update for Intel Desktop Boards using the Intel 845GL Chipset.

  • Page 2: Revision History

    Intel products are not intended for use in medical, life saving, or life sustaining applications or for any other application in which the failure of the Intel product could create a situation where personal injury or death may occur.

  • Page 3: Intended Audience

    Intel Desktop Board D845GLLY. Intended Audience The document is intended to provide detailed, technical information about the Intel Desktop Board D845GLLY 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 Product Supplement Document for the Intel Desktop Board D845GLLY INTEGRATOR’S NOTES Integrator’s notes are used to call attention to information that may be useful to system integrators. CAUTION Cautions are included to help you avoid damaging hardware or losing data.

  • Page 5: Table Of Contents

    3.1.2 EMC Regulations ..................33 3.1.3 Product Certification Markings (Board Level) ..........34 Figures Desktop Board D845GLLY Components ..............10 Back Panel Connectors ....................13 Audio, Power, and Hardware Control Connectors ............15 Add-in Board and Peripheral Interface Connectors.............18 External I/O Connectors .....................19 Location of the Jumper Block ..................23 I/O Shield Dimensions ....................24...
  • Page 6 Product Supplement Document for the Intel Desktop Board D845GLLY Tables Feature Summary......................7 Cross Reference of Footnotes from the Technical Product Specification..... 9 Supported Processors ....................11 Auxiliary Line In Connector..................16 ATAPI CD-ROM Connector ..................16 ATX12V Power Connector..................16 Rear Chassis Fan Connector ..................16 Processor Fan Connector...................16...

  • Page 7: Overview

    DIMMs based on 512 Mbit technology for a maximum onboard capacity of up to 2 GB, but this technology has not been validated. Please refer to the following Intel web site for the latest list of tested memory: http://developer.intel.com/design/motherbd/ly/ly_mem.htm...

  • Page 8: Online Support

    Product Supplement Document for the Intel Desktop Board D845GLLY Table 1. Feature Summary (continued) • Two fan sense inputs used to monitor fan activity Hardware Management • Chassis intrusion detection Subsystem • Intel/AMI BIOS (resident in the 4 Mbit FWH) BIOS •...

  • Page 9: Footnote Cross Reference

    Overview 1.3 Footnote Cross Reference This document is a companion document to the Technical Product Specification for Intel Desktop Boards using the Intel 845GL Chipset. The Technical Product Specification (order number: A90788-001) contains footnotes that refer you to this document for information specific to this Desktop Board.

  • Page 10: Board Layout

    Product Supplement Document for the Intel Desktop Board D845GLLY 1.4 Board Layout Figure 1 shows the location of the major components on the Desktop Board D845GLLY. OM13642 Audio codec Diskette drive connector Auxiliary line-in connector IDE connectors ATAPI CD-ROM connector...

  • Page 11: Product-Specific Features

    Use only the processors listed below. Use of unsupported processors can damage the Desktop Board, the processor, and the power supply. See the Specification Update for Intel Desktop Boards using the Intel 845GL Chipset for the most up-to-date list of supported processors for these boards.

  • Page 12: Connectors

    Product Supplement Document for the Intel Desktop Board D845GLLY 2.2 Connectors CAUTION Only the back panel USB, front panel USB, VGA, and PS/2 connectors 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. Do not use these connectors to power devices external to the computer’s chassis.

  • Page 13: Back Panel Connectors

    Product-Specific Features 2.2.1 Back Panel Connectors Figure 2 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. OM13643 Item Description Color PS/2 mouse port Green PS/2 keyboard port...

  • Page 14: Internal I/O Connectors

    Product Supplement Document for the Intel Desktop Board D845GLLY 2.2.2 Internal I/O Connectors The internal I/O connectors are divided into the following functional groups: • Audio, power, and hardware control (see page 15)  Auxiliary line in  ATAPI CD-ROM ...

  • Page 15: Audio, Power, And Hardware Control Connectors

    Product-Specific Features 2.2.2.2 Audio, Power, and Hardware Control Connectors Figure 3 shows the location of the audio, power, and hardware control connectors. OM13644 Item Description For more information see: Auxiliary line in, ATAPI style (white) Table 4 ATAPI CD-ROM (black) Table 5 +12 V power connector (ATX12V) Table 6...

  • Page 16: Auxiliary Line In Connector

    • Use only ATX12V- or SFX12V-compliant power supplies with the Desktop Board D845GLLY. ATX12V and SFX12V power supplies have an additional power lead that provides required supplemental power for the processor. Always connect the 20-pin and 4-pin leads of ATX12V and SFX12V power supplies to the corresponding connectors on the Desktop Board, otherwise the Desktop Board will not boot.

  • Page 17: Main Power Connector

    Product-Specific Features Table 9. 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) +5 V +12 V...

  • Page 18: Add-In Board And Peripheral Interface Connectors

    Add-in Board and Peripheral Interface Connectors Figure 4 shows the location of the add-in board connector and peripheral connectors for the Desktop Board D845GLLY. Note the following considerations for the PCI bus connectors: • All of the PCI bus connectors are bus master capable.

  • Page 19: External I/O Connectors

    Product-Specific Features 2.2.3 External I/O Connectors Figure 5 shows the locations of the external I/O connectors. OM13646 Item Description For more information see: Serial port B Table 12 Auxiliary front panel power/sleep/message-waiting LED Table 17 Front panel Table 14 Front panel USB Table 13 Figure 5.

  • Page 20: Front Panel Usb Connector

    Product Supplement Document for the Intel Desktop Board D845GLLY Table 13. Front Panel USB Connector Signal Name Signal Name USB_FNT_PWR USB_FNT_PWR USB_FNTA# USB_FNTB# USB_FNTA USB_FNTB Ground Ground Not connected Not connected INTEGRATOR’S NOTE Use only a front panel USB connector that conforms to the USB 2.0 specification for high-speed USB devices.

  • Page 21: States For A One-Color Power Led

    Product-Specific Features 2.2.3.1.1 Hard Drive Activity LED Connector Pins 1 and 3 can be connected to an LED to provide a visual indicator that data is being read from or written to a hard drive. For the LED to function properly, an IDE drive must be connected to the onboard IDE interface.

  • Page 22: Auxiliary Front Panel Power/Sleep/Message-Waiting Led Connector

    SW_ON# pin to ground for at least 50 ms to signal the power supply to switch on or off. (The time requirement is due to internal debounce circuitry on the Desktop Board D845GLLY.) At least two seconds must pass before the power supply will recognize another on/off signal.

  • Page 23: Jumper Block

    Product-Specific Features 2.3 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. Figure 6 shows the location of the jumper block. J9H2 OM13647 Figure 6.

  • Page 24: I/O Shield

    Product Supplement Document for the Intel Desktop Board D845GLLY 2.4 I/O Shield The back panel I/O shield for the Desktop Board D845GLLY must meet specific dimension and material requirements. Systems based on this Desktop Board need the back panel I/O shield to pass emissions (EMI) certification testing.

  • Page 25: Mechanical Considerations

    Product-Specific Features 2.5 Mechanical Considerations The Desktop Board D845GLLY is designed to fit into either a microATX or an ATX-form-factor chassis. Figure 8 illustrates the mechanical form factor for the Desktop Board. Dimensions are given in inches [millimeters]. The outer dimensions are 9.20 inches by 8.20 inches [243.84 millimeters by 208.28 millimeters].

  • Page 26: Electrical Considerations

    0.43 A 2.6.2 Add-in Board Considerations The Desktop Board D845GLLY is designed to provide 2 A (average) of +5 V current for each add- in board. For a fully loaded Desktop Board D845GLLY (all four expansion slots filled), the total...

  • Page 27: Standby Current Requirements

    Calculate the standby current requirements using the steps described below. Power supplies used with the Desktop Board D845GLLY must be able to provide enough standby current to support the Instantly Available PC (ACPI S3 sleep state) configuration as outlined in Table 20 below.

  • Page 28: Fan Connector Current Capability

    The other port may provide up to 7.5 mA (three nonwake-enabled devices.) during G1/S3 suspended operation. 2.6.4 Fan Connector Current Capability Table 21 lists the current capability of the fan connectors on the Desktop Board D845GLLY. Table 21. Fan Connector Current Capability...

  • Page 29: Standby Power Indicator Led

    Product-Specific Features The power supply must comply with the following recommendations found in the indicated sections of the ATX form factor specification. • The potential relation between 3.3 VDC and +5 VDC power rails (Section 4.2) • The current capability of the +5 VSB line (Section 4.2.1.2) •...

  • Page 30: Reliability

    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 Desktop Board D845GLLY MTBF is 169,538.0766 hours. 2.8 Thermal Considerations CAUTION Ensure that the ambient temperature does not exceed the Desktop Board’s maximum operating...

  • Page 31: Localized High Temperature Zones

    Intel 82801DB ICH4 Figure 10. Localized High Temperature Zones Table 22 provides maximum case temperatures for Desktop Board D845GLLY components that are sensitive to thermal changes. The operating temperature, current load, or operating frequency could affect case temperatures. Maximum case temperatures are important when considering proper airflow to cool the Desktop Board D845GLLY.
  • Page 32 Product Supplement Document for the Intel Desktop Board D845GLLY...

  • Page 33: Regulatory Compliance Information 3.1 Regulatory Compliance

    3 Regulatory Compliance Information 3.1 Regulatory Compliance This section describes the Desktop Boards’ compliance with U.S. and international safety and electromagnetic compatibility (EMC) regulations. 3.1.1 Safety Regulations Table 23 lists the safety regulations the Desktop Board complies with when correctly installed in a compatible host system.

  • Page 34: Product Certification Markings (Board Level)

    The Desktop Boards 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). •...

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