Contents

5 Technical Reference

 

Connectors

61

Back Panel Connectors

62

Midboard Connectors

63

Audio Connectors

63

Power and Hardware Connectors

64

Add-In Card and Peripheral Interface Connectors

65

Front Panel Headers

67

Desktop Board Resources

68

Memory Map

68

DMA Channels

68

Interrupts

69

A

Error Messages and Indicators

 

 

BIOS Beep Codes

71

 

BIOS Error Messages

72

B

Regulatory Compliance

 

 

Safety Regulations

75

 

EMC Regulations

75

 

Product Certification Markings

76

 

Installation Precautions

77

 

Installation Instructions

77

 

 

Ensure Electromagnetic Compatibility (EMC) Compliance

77

 

 

Chassis and Component Certifications

78

 

 

Prevent Power Supply Overload

78

 

 

Place Battery Marking

78

 

 

Use Only for Intended Applications

78

Figures

 

 

1.

Desktop Board D845EPT2 Components

9

 

2.

Desktop Board D845EBG2 Components

10

 

3.

Location of Standby Power Indicator

18

 

4.

Installing the I/O Shield

22

 

5.

Desktop Board D845EBG2 Mounting Holes

23

 

6.

Installing a Processor

24

 

7.

Connecting the Processor Fan Heat Sink Cable to the Processor Fan Connector

25

 

8.

Installing a Memory Module

26

 

9.

Removing the AGP Card

28

 

10. Connecting the IDE Cable

29

 

11.

Location of the BIOS Configuration Jumper Block

30

 

12.

Removing the Battery

35

 

13.

Back Panel Connectors

62

 

14.

Audio Connectors

63

 

15. Power and Hardware Control Connectors

64

 

16.

Desktop Board D845EPT2 Add-in Card and Peripheral Interface Connectors

65

 

17.

Desktop Board D845EBG2 Add-in Card and Peripheral Interface Connectors

66

 

18.

Front Panel Headers

67

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Intel D845EBG2, D845EPT2 manual Technical Reference, 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.