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Information in this document is provided in connection with Intel
®
products. No license, express or implied, by estoppel or otherwise, to any
intellectual property rights is granted by this document. Except as provided in Intel’s Terms and Conditions of Sale for such products, Intel
assumes no liability whatsoever, and Intel disclaims any express or implied warranty, relating to sale and/or use of Intel products including liability
or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property
right. Intel products are not intended for use in medical, life-saving, or life-sustaining applications. Intel may make changes to specifications and
product descriptions at any time, without notice.
The Intel
®
Desktop Boards D845EPT2 and D845EBG2 may contain design defects or errors known as errata, which may cause the product to
deviate from published specifications. Current characterized errata are available on request.
All products, dates, and figures specified are preliminary based on current expectations, provided for planning purposes only, and are subject to
change without notice. Availability in different channels may vary.
Intel, Pentium, Intel NetBurst, and the Intel logo are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United
States and other countries.
*Other names and brands may be claimed as the property of others.
** Designed to support up to 2GB DDR266 SDRAM memory using 512Mb technology. Currently validated to 1GB using 256Mb technology.
Visit http://developer.intel.com/support/motherboards/desktop/ for latest validated memory support.
*** USB 2.0 ports are fully backwards compatible with USB 1.1 devices. Drivers for USB 2.0 are available for Windows* 2000 and Windows XP*
operating systems; devices used on systems with other operating systems will operate at USB 1.1 speeds.
†
Intel
®
Integrator Toolkit is required to configure settings for closed-loop fan control and is available to OEMs upon request
††
Branded Desktop Boards available through distributors all include a 3-year limited warranty. Boards available to direct customers include a
1-year limited warranty.
Copyright © 2002 Intel Corporation. Order Number: 284359-003
All rights reserved. 0902/MS/RN
Intel
®
Desktop Boards D845EPT2 and D845EBG2 Technical Specifications
Processor
Processors Supported Intel
®
Pentium
®
4 processors with Intel
®
NetBurst
™
(via mPGA478 connector) microarchitecture including a 533-MHz or 400-MHz
system bus in the mPGA478-pin package
Chipset
Intel
®
845E Chipset Intel
®
82845SE Memory Controller Hub (MCH) with
Accelerated Hub Architecture bus
Intel
®
82801DB I/O Controller Hub (ICH4) with
Accelerated Hub Architecture bus
Intel
®
82802AB Firmware Hub (FWH)
Memory Controller Hub (MCH) Designed to support up to 2GB** (with 512Mb
technology) of DDR266 or DDR200 SDRAM memory
Intel
®
ICH4 I/O Controller Hub Ultra ATA/66/100
Ultra DMA/33
Six PCI request-grant pairs for support of six PCI
bus masters
External Interfaces
I/O and Expansion Capabilities Integrated super I/O LPC bus controller
Three (Desktop Board D845EPT2) or six (Desktop
Board D845EBG2) PCI bus add-in card connectors
(PCI local bus Specification Revision 2.2)
One Communication and Networking Riser (CNR)
connector shared with PCI slot 3 (Desktop Board
D845EPT2) or PCI slot 6 (Desktop Board D845EBG2)
One 1.5V 4X/2X AGP port connector
Power management support for ACPI 1.0
PC 99 and PC 99A compliance
Six USB 2.0 Ports Integrated Intel ICH4 controllers
• Four back-panel ports (two dual stacks)
• Two front panel ports (header requiring cable
to front panel)
Firmware Hub
System BIOS 4-Mb Flash EEPROM with Intel/AMI* BIOS featuring
plug-and-play, IDE drive auto-configure
Advanced configuration and power interface
V1.0b, DMI 2.0, multilingual support
Intel
®
Rapid BIOS Boot Optimized POST for faster access to PC from
power-on
System Memory
Memory Capacity Two 184-pin DIMM connectors supporting up to
two double-sided DIMMS
Memory Type Double Data Rate (DDR266 or DDR200) SDRAM in
64Mb, 128Mb, 256Mb and 512Mb technologies
Memory Voltage 2.5V
Hardware Management Features
Voltage and temperature sense
Fan-sensor inputs used to monitor fan activity
Configurable automatic closed-loop fan control
†
Wake-Up From Network
Wired for Management (WfM) 2.0 compliant
Support for system wake up using an add-in
network interface card with remote wake-up
capability or PCI
Jumpers and Front Panel Connectors
Jumpers Single configuration jumper design
Jumper access for BIOS configuration mode
Front Panel Connector Reset, HD LED, Power LEDs, power on/off,
standby header, Aux LED
Mechanical
Board Style Desktop Board D845EPT2—MicroATX 1.0 compliant
Desktop Board D845EBG2—ATX 2.03 compliant
Board Size Desktop Board D845EPT2—9.6" x 8.2"
(240mm x 206mm)
Desktop Board D845EBG2—12.0" x 8.2"
(300mm x 206mm)
Power Requirements
Desktop Board D845EPT2—ATX12V or SFX12V
Desktop Board D845EBG2—ATX12V
Environment
Operating Temperature 0° C to +55° C
Storage Temperature -40°C to +70° C
Regulations
Safety Regulations
U.S. and Canada UL 1950—CSA 950-95
U.S. and Canadian recognition component marks
Europe UL classified to IEC 950
EMI/RFI regulations:Intended for use in systems meeting the following EMI/RFI regulations:
US FCC Class B (DofC – Cover off testing)
Canada IC Class B
Europe EU Class B (Res, Com, Light Industry)
Japan VCCI, Class B (ITE)
Power requirements vary. Complies with US CRF
via EN55022 + 6db in system configurations with
an open chassis and EU Directive 89/336/EEC
and use via EN55022 and EN50082-1 in a
representative chassis.
Ordering Information—See Intel’s Web site at www.intel.com
For the most current product information available visit Intel’s Web site at:
developer.intel.com/design/motherbd