1 Desktop Board Features

NOTE

The Intel® Desktop Board D845EPT2 layout was used for illustrations unless otherwise noted. Table 1 describes the major features of the Desktop Boards D845EPT2 and D845EBG2.

Table 1. Feature Summary

Form Factors

microATX at 8.2 inches by 9.6 inches (Desktop Board D845EPT2)

ATX at 8.2 inches by 12.0 inches (Desktop Board D845EBG2)

Processor

Memory

Chipset

Support for a single Intel® Pentium® 4 processor with 533/400 MHz front side bus (FSB) frequency in an mPGA478 socket

Two 184-pin, 2.5 V SDRAM Dual Inline Memory Module (DIMM) sockets

266/200 MHz DDR SDRAM interface

Designed to support up to 2 GB of system memory

NOTE: The Desktop Boards D845EPT2 and D845EBG2 have been designed to support DIMMs based on 512 Mbit technology up to 2 GB, but this technology has not been validated on these Intel® desktop boards. For more information about the latest list of tested memory, refer to the Intel World Wide Web site at:

http://support.intel.com/support/motherboards/desktop/

Intel® 845E chipset consisting of:

Intel® 82845E Memory Controller Hub (MCH) with Accelerated Hub Architecture (AHA) bus

Intel® 82801DB I/O Controller Hub (ICH4) with support for up to six Hi-Speed Universal Serial Bus 2.0 (USB 2.0) ports

4 Mbit Firmware Hub (FWH)

I/O Control

Graphics

Audio

LAN (optional)

Peripheral Interfaces

SMSC LPC47M102S low pin count (LPC) interface I/O controller

AGP connector supporting 1.5 V 4X and 2X AGP cards

Intel 845E chipset (AC ’97)

Analog Devices Inc. audio codec featuring SoundMAXwith SPXsoftware support

Intel® 82562ET 10/100 Mbit/sec Platform LAN Connect (PLC) device and RJ-45 connector

Up to six USB 2.0 ports

Four ports routed to the back panel

Two ports routed to the USB front panel header

Two IDE interfaces with Ultra DMA-33 and ATA-66/100 support

One floppy drive interface

One parallel port

Two serial ports (one via a board header)

PS/2keyboard and mouse ports

continued

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Intel D845EBG2, D845EPT2 manual Desktop Board Features, Feature Summary, Form Factors, Processor Memory Chipset

D845EBG2, D845EPT2 specifications

The Intel D845EBG2 and D845EPT2 are part of Intel's 845 chipset family, designed primarily for desktop platforms in the early 2000s. Both motherboards catered to a performance-focused market segment, prominently supporting Intel’s Pentium 4 processors through the Socket 478 interface. The D845EBG2 and D845EPT2 are especially noted for their balance of features, affordability, and reliability, making them appealing options for both gaming enthusiasts and regular desktop users during their time.

The D845EBG2 motherboard is distinguished by its support for Intel’s Quad Data Rate (QDR) memory technology, which enabled faster data throughput by allowing more data to be transferred in a given time frame. This motherboard supported dual-channel DDR SDRAM with a maximum capacity of 2GB, providing users with improved memory performance vital for multitasking and memory-intensive applications.

On the other hand, the D845EPT2 also offered similar capabilities but placed a particular emphasis on integrating additional connectivity options. With AGP 4X support, it allowed users to install high-performance graphics cards, which was essential for gaming and graphics processing tasks. Both boards featured multiple PCI slots, ensuring compatibility with a variety of expansion cards for enhanced functionality.

In terms of storage capabilities, both motherboards supported Ultra ATA/100 hard drives, which improved data transfer speeds compared to previous standards. They also included integrated audio, providing 6-channel sound capabilities, which delivered an immersive multimedia experience without requiring additional sound cards.

The technologies implemented in both motherboards included Intel’s Advanced Digital Media Boost for enhanced processing capabilities in multimedia applications, as well as Enhanced Intel SpeedStep technology, which allowed for dynamic adjustment of the processor’s voltage and frequency, optimizing power consumption and thermal output.

Overall, the Intel D845EBG2 and D845EPT2 motherboards were notable for their robust performance, diverse connectivity options, and support for evolving technologies of the time. They left a significant imprint in the landscape of early 2000s computing, providing essential features that catered to both casual users and more demanding computing environments. With their reliability and solid feature set, these motherboards contributed to a range of applications and use cases that defined desktop computing during that era.