Contents

1 Desktop Board Features

 

Desktop Board Components

9

Processor

11

Main Memory

12

Intel® 845E Chipset

12

Intel® 82845E Memory Controller Hub (MCH)

13

Intel® 82801DB I/O Controller Hub (ICH4)

13

Firmware Hub (FWH)

13

Input/Output (I/O) Controller

13

Audio Subsystem

14

LAN Subsystem (Optional)

14

LAN Subsystem Software

14

RJ-45 LAN Connector LEDs

14

Hi-Speed USB 2.0 Support

15

Enhanced IDE Interface

15

Expansion Slots

16

Accelerated Graphics Port (AGP)

16

Communication and Networking Riser (CNR) (Optional)

16

BIOS

16

PCI Auto Configuration

16

IDE Auto Configuration

17

Security Passwords

17

Power Management Features

17

ACPI

17

Suspend to RAM (Instantly Available PC Technology)

17

Hardware Management

19

Power Connectors

19

Fan Connectors

19

Resume on Ring

19

Wake from USB

19

Wake from PS/2 Keyboard/Mouse

19

PME# Wakeup Support

19

Speaker

20

Battery

20

Real-Time Clock

20

2 Installing and Replacing Desktop Board Components

 

Before You Begin

21

Installing the I/O Shield

22

Installing and Removing the Desktop Board

23

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Intel D845EBG2, D845EPT2 manual Contents

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.