Product
Brief
Intel® Desktop Boards D845EPT2
and D845EBG2
for the Intel® Pentium® 4 Processor
Performance for Today’s Versatile Computing Environment
Intel® Desktop Boards D845EPT2 and D845EBG2 bring the latest advancements in desktop
board technology for the Intel® Pentium® 4 processor-based platform family with 533 MHz FSB
support and six high-speed USB 2.0 ports. Featuring the Intel® 845E chipset, these desktop
boards deliver powerful productivity and bandwidth for today’s desktop computing environment.
Intel is firmly established as an industry leader in the development of groundbreaking
desktop board technologies. Desktop Boards D845EPT2 and D845EBG2 continue this
tradition with support for the latest Pentium 4 processor with 533-MHz FSB to deliver new
levels of productivity.
Features
Benefits
Support for the Intel® Pentium® 4 Processor
with 533-MHz FSB
Supports Pentium 4 processors in the mPGA478-pin
package and Intel® NetBurst™ microarchitecture,
including 533-MHz or 400-MHz system bus
Intel® 845E chipset featuring support for double-data-rate
(DDR) SDRAM memory
Increased memory bandwidth over PC133 SDRAM
memory
Intel® Rapid BIOS Boot
Reduced boot time enables faster system access
Supports the latest graphics technology
1.5V 4X/2X AGP connector
Two DDR SDRAM DIMM sockets
Designed to support up to 2GB** of Double-Data-Rate
SDRAM memory
Ultra ATA/100
Enables fastest IDE interface for transfers to storage devices
Three PCI slots (Intel® Desktop Board D845EPT2), or
six PCI slots (Intel® Desktop Board D845EBG2)
Expansion slots for custom system configurations and
future add-in card upgrades
Six USB 2.0 ports
Two dual-port rear connectors, header for two front panel
ports
Communication and Networking Riser (CNR) support
(optional)
Plug-and-play technology designed to support integrated
LAN, HPNA, modem or audio cards for overall system
cost savings and flexibility
Integrated Intel® PRO/100 network connection,
utilizing Intel® 82562ET LAN (optional)
On-board 10/100 Mbps Ethernet LAN connectivity
AC’97 Audio with SoundMAX* with SPX
Instantly available PC (suspend-to-RAM)
Exceptional audio performance and excellent value
Power-management mode reduces PC power consumption
and provides immediate PC access using advanced
wake-up logic
Hardware management ASIC
Configurable closed-loop fan control for quieter system
operation†
Enables remote monitoring of system conditions for lower
total cost of ownership
Three-year limited warranty††
Expanded investment protection
Boxed Intel® Desktop Boards D845EPT2 and
D845EBG2 Solution includes:
• Desktop Board, including
• Pre-installed retention mechanism for processor
thermal solution
• AGP connector with integrated retention mechanism
• ATX-compliant I/O shield
• Floppy and IDE cables
• Board and back-panel I/O layout stickers
• QuickStart Guide
• CD-ROM featuring:
• Intel® Express Installer
• Norton* Internet Security*
• Intel® Active Monitor
• SoundMAX* with SPX
• RealONE* with Power Technology DFX*
• NTI CD-Maker*
• MacroMedia* Shockwave*
• Software Drivers
• Product Guide
• Window XP* Ready
• Desktop Board Three-year Limited Warranty††
Intel® Desktop Boards D845EPT2 and D845EBG2 Technical Specifications
Processor
Hardware Management Features
Processors Supported
Intel® Pentium® 4 processors with Intel® NetBurst™
microarchitecture including a 533-MHz or 400-MHz
system bus in the mPGA478-pin package
Voltage and temperature sense
(via mPGA478 connector)
Fan-sensor inputs used to monitor fan activity
Configurable automatic closed-loop fan control†
Chipset
Wake-Up From Network
Intel® 845E Chipset
Intel® 82845SE Memory Controller Hub (MCH) with
Accelerated Hub Architecture bus
Intel® 82801DB I/O Controller Hub (ICH4) with
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
Accelerated Hub Architecture bus
Intel® 82802AB Firmware Hub (FWH)
Jumpers and Front Panel Connectors
Memory Controller Hub (MCH)
Intel® ICH4 I/O Controller Hub
Designed to support up to 2GB** (with 512Mb
Jumpers
Single configuration jumper design
technology) of DDR266 or DDR200 SDRAM memory
Jumper access for BIOS configuration mode
Ultra ATA/66/100
Front Panel Connector
Reset, HD LED, Power LEDs, power on/off,
standby header, Aux LED
Ultra DMA/33
Six PCI request-grant pairs for support of six PCI
bus masters
Mechanical
Board Style
Desktop Board D845EPT2—MicroATX 1.0 compliant
Desktop Board D845EBG2—ATX 2.03 compliant
External Interfaces
I/O and Expansion Capabilities
Integrated super I/O LPC bus controller
Board Size
Desktop Board D845EPT2—9.6" x 8.2"
(240mm x 206mm)
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
Desktop Board D845EBG2—12.0" x 8.2"
(300mm x 206mm)
Power Requirements
Environment
Desktop Board D845EPT2—ATX12V or SFX12V
Desktop Board D845EBG2—ATX12V
Power management support for ACPI 1.0
PC 99 and PC 99A compliance
Six USB 2.0 Ports
Integrated Intel ICH4 controllers
Operating Temperature
Storage Temperature
0° C to +55° C
•
•
Four back-panel ports (two dual stacks)
Two front panel ports (header requiring cable
to front panel)
-40° C to +70° C
Regulations
Safety Regulations
Firmware Hub
System BIOS
U.S. and Canada
UL 1950—CSA 950-95
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
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)
IC Class B
Intel® Rapid BIOS Boot
Optimized POST for faster access to PC from
power-on
Canada
Europe
Japan
EU Class B (Res, Com, Light Industry)
VCCI, Class B (ITE)
System Memory
Memory Capacity
Two 184-pin DIMM connectors supporting up to
two double-sided DIMMS
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.
Memory Type
Double Data Rate (DDR266 or DDR200) SDRAM in
64Mb, 128Mb, 256Mb and 512Mb technologies
Memory Voltage
2.5V
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.
*** 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.
All rights reserved.
Order Number: 284359-003
0902/MS/RN
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