Intel Desktop Board D945GCLF2 Technical Product Specification

Table 35. Port 80h POST Codes

POST Code

Description of POST Operation

 

 

 

Host Processor

 

 

10

Power-on initialization of the host processor (Boot Strap Processor)

 

 

11

Host processor cache initialization (including APs)

 

 

12

Starting Application processor initialization

 

 

13

SMM initialization

 

 

 

Chipset

 

 

21

Initializing a chipset component

 

 

 

Memory

 

 

22

Reading SPD from memory DIMMs

 

 

23

Detecting presence of memory DIMMs

 

 

24

Programming timing parameters in the memory controller and the DIMMs

 

 

25

Configuring memory

 

 

26

Optimizing memory settings

 

 

27

Initializing memory, such as ECC init

 

 

28

Testing memory

 

 

 

PCI Bus

 

 

50

Enumerating PCI busses

 

 

51

Allocating resources to PCI bus

 

 

52

Hot Plug PCI controller initialization

 

 

53 – 57

Reserved for PCI Bus

 

 

 

USB

 

 

58

Resetting USB bus

 

 

59

Reserved for USB

 

 

 

ATA/ATAPI/SATA

 

 

5A

Resetting PATA/SATA bus and all devices

 

 

5B

Reserved for ATA

 

 

 

SMBus

 

 

5C

Resetting SMBus

 

 

5D

Reserved for SMBus

 

 

 

Local Console

 

 

70

Resetting the VGA controller

 

 

71

Disabling the VGA controller

 

 

72

Enabling the VGA controller

 

 

 

Remote Console

 

 

78

Resetting the console controller

 

 

79

Disabling the console controller

 

 

7A

Enabling the console controller

 

 

continued

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Intel D945GCLF2 specifications Port 80h Post Codes

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.