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Intel
®
Desktop Boards D845EPT2 and D845EBG2 Technical Specifications
Processor
Processors Supported
Intel
(via mPGA478 connector)
microarchitecture including a 533-MHz or 400-MHz
system bus in the mPGA478-pin package
Chipset
Intel
®
845E Chipset
Intel
Accelerated Hub Architecture bus
Intel
Accelerated Hub Architecture bus
Intel
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
•
•
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
Ordering Information—See Intel's Web site at
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
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
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.
** 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*
††
Copyright © 2002 Intel Corporation.
All rights reserved.
®
Pentium
®
4 processors with Intel
®
NetBurst
®
82845SE Memory Controller Hub (MCH) with
82801DB I/O Controller Hub (ICH4) with
®
®
82802AB Firmware Hub (FWH)
Four back-panel ports (two dual stacks)
Two front panel ports (header requiring cable
to front panel)
®
Desktop Boards D845EPT2 and D845EBG2 may contain design defects or errors known as errata, which may cause the product to
* Other names and brands may be claimed as the property of others.
Visit http://developer.intel.com/support/motherboards/desktop/ for latest validated memory support.
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.
Hardware Management Features
™
Wake-Up From Network
Jumpers and Front Panel Connectors
Jumpers
Front Panel Connector
Mechanical
Board Style
Board Size
Power Requirements
Environment
Operating Temperature
Storage Temperature
Regulations
Safety Regulations
U.S. and Canada
U.S. and Canadian recognition component marks
Europe
EMI/RFI regulations:
Intended for use in systems meeting the following EMI/RFI regulations:
US
Canada
Europe
Japan
www.intel.com
®
products. No license, express or implied, by estoppel or otherwise, to any
Voltage and temperature sense
Fan-sensor inputs used to monitor fan activity
Configurable automatic closed-loop fan control
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
Single configuration jumper design
Jumper access for BIOS configuration mode
Reset, HD LED, Power LEDs, power on/off,
standby header, Aux LED
Desktop Board D845EPT2—MicroATX 1.0 compliant
Desktop Board D845EBG2—ATX 2.03 compliant
Desktop Board D845EPT2—9.6" x 8.2"
(240mm x 206mm)
Desktop Board D845EBG2—12.0" x 8.2"
(300mm x 206mm)
Desktop Board D845EPT2—ATX12V or SFX12V
Desktop Board D845EBG2—ATX12V
0° C to +55° C
-40° C to +70° C
UL 1950—CSA 950-95
UL classified to IEC 950
FCC Class B (DofC – Cover off testing)
IC Class B
EU Class B (Res, Com, Light Industry)
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.
Order Number: 284359-003
0902/MS/RN
†
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