| Intel D845EPT2, D845EBG2

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

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.

Order Number: 284359-003 0902/MS/RN

Intel D845EPT2, D845EBG2 manual

Models: D845EBG2 D845EPT2

developer.intel.com/design/motherbd