Contents

Figures

 

 

Figure 1.

 

Major Board Components

11

Figure 2.

 

Block Diagram

13

Figure 3.

 

Back Panel Audio Connectors

24

Figure 4.

 

LAN Connector LED Locations

26

Figure 5.

 

Thermal Sensors and Fan Headers

28

Figure 6.

 

Location of the Standby Power Indicator LED

36

Figure 7.

 

Detailed System Memory Address Map

38

Figure 8.

 

Back Panel Connectors

41

Figure 9.

 

Component-side Connectors and Headers

42

Figure 10.

Connection Diagram for Front Panel Header

47

Figure 11.

Connection Diagram for Front Panel USB Headers

49

Figure 12.

Location of the Jumper Block

50

Figure 13.

Board Dimensions

51

Figure 14.

Localized High Temperature Zones

54

Tables

 

 

 

Table 1.

Feature Summary

9

Table 2.

Board Components Shown in Figure 1

12

Table 3.

Supported Memory Configurations

15

Table 4.

Audio Jack Retasking Support

23

Table 5.

LAN Connector LED States

26

Table 6.

Effects of Pressing the Power Switch

29

Table 7.

Power States and Targeted System Power

30

Table 8.

Wake-up Devices and Events

31

Table 9.

System Memory Map

39

Table 10.

 

Component-side Connectors and Headers Shown in Figure 9

43

Table 11.

 

Front Panel Audio Header

44

Table 12.

 

Serial ATA Connectors

44

Table 13.

 

Rear Chassis (3-Pin) Fan Header

44

Table 14.

 

GMCH (3-Pin) Fan Header

44

Table 15.

 

S/PDIF Connector

44

Table 16.

 

Main Power Connector

45

Table 17.

 

ATX12V Power Connector

46

Table 18.

 

Front Panel Header

47

Table 19.

 

States for a One-Color Power LED

48

Table 20.

 

States for a Two-Color Power LED

48

Table 21.

 

BIOS Setup Configuration Jumper Settings

50

Table 22.

 

Recommended Power Supply Current Values

52

Table 23.

 

Fan Header Current Capability

52

Table 24.

 

Thermal Considerations for Components

54

Table 25.

 

Intel Desktop Board D945GCLF2 Environmental Specifications

55

Table 26.

 

BIOS Setup Program Menu Bar

58

Table 27.

 

BIOS Setup Program Function Keys

58

Table 28.

 

Acceptable Drives/Media Types for BIOS Recovery

62

Table 29.

 

Boot Device Menu Options

63

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Intel D945GCLF2 specifications Tables, Contents

D945GCLF2 specifications

The Intel D945GCLF2 is a compact and efficient motherboard designed for the Intel Atom processor family, particularly suited for low-power, cost-sensitive systems. This mini-ITX form factor board was released as a part of Intel's D945 series, targeting small form factor PCs, embedded systems, and home theater PC (HTPC) builds.

One of the standout features of the D945GCLF2 is its support for the Intel Atom N270 processor, a dual-core CPU that operates at a low thermal design power (TDP) of just 4 watts. This makes the board ideal for users looking to build energy-efficient systems without compromising on performance. The motherboard supports up to 2GB of DDR2 RAM, utilizing a single-channel memory architecture, which, while modest by today’s standards, suffices for basic computing tasks such as browsing, document editing, and media playback.

In terms of connectivity, the D945GCLF2 integrates a variety of I/O ports that enhance usability. It features four USB 2.0 ports, one PCI slot, and an IDE connector, catering to older peripherals while also allowing for the installation of additional components like graphics cards and network adapters. The onboard Intel Graphics Media Accelerator 950 provides adequate graphics performance for everyday activities and even supports HD video playback, making it a solid choice for multimedia applications.

Incorporating Intel's Advanced Configuration and Power Interface (ACPI) technology, the D945GCLF2 allows for efficient power management, giving users the flexibility to optimize their system's energy consumption. The board also includes essential connectivity options such as Ethernet through a 10/100 LAN port, facilitating wired networking capabilities.

Furthermore, the D945GCLF2 is equipped with multiple storage options; it provides support for Serial ATA (SATA) devices, allowing for faster data transfer rates compared to traditional PATA drives. The BIOS is user-friendly and offers a range of settings for users looking to tweak their system's performance.

Overall, the Intel D945GCLF2 motherboard is a robust solution for anyone looking to build a low-cost, low-power computing system. Its combination of small form factor, energy efficiency, and decent performance makes it suitable for a variety of applications, from basic user tasks to serving as the core of a compact home theater setup. Despite its age, the D945GCLF2 remains relevant for specific, budget-friendly builds, showcasing Intel's legacy in innovative motherboard design.