Introduction, Product Description

INTRODUCTION

Introduction

Product Description

The world's first Pentium 4 LGA775 industrial motherboard based on the Intel® 865G chipset, 2801550, supports processor FSB of 533/800MHz for processor speeds of up to 3.8GHz. With two DDR memory socket on board, the motherboard accommodates a maximum memory capacity of 2GB. Integrated chipset-graphics features CRT VGA support with up to 64MB shared memory, while Ethernet functionality is provided by an Intel® 10/100Mb and an optional Gigabit Ethernet.

Supporting the latest LGA775 processors, the 2801550 supports four COM ports based on the Winbond I/O chipset on board. A total of six USB 2.0 ports can be used, as well as two serial ATA ports for high data transfers. Advanced storage comes in the form of a type 2 Compact Flash socket.

Interface function is available with one 8X AGP slot, four PCI slots and two ISA slots. This ATX-form-factor board has dimensions of 305mm by 244mm. Other features include a watchdog timer and 4-in/4-out digital I/O.

The board comes in three models, as of this writing – 2801550, 2801550F and 2801550V. 2801550 has 10/100Mb Ethernet, while 2801550F has both 10/100Mb and Gigabit Ethernet. 2801550V uses the 865GV chipset, has 10/100Mb Ethernet, but without AGP slot.

2801550 User’s Manual

LGA775 specifications

The Intel LGA775, also known as Socket T, was a significant advancement in CPU socket design when it was introduced in 2004, primarily tailored for Intel's Pentium 4, Pentium D, Core 2 Duo, and Xeon processors. This socket provided a robust platform for users seeking performance improvements over previous socket designs, specifically the LGA 478.

One of the standout features of LGA775 is its physical layout. The socket utilizes a Land Grid Array configuration, comprising 775 pins on the motherboard that create an electrical connection with the chip. This design enhances the physical stability of the connection, reducing the likelihood of damage during component installation.

LGA775 supports a range of Intel technologies such as Dual-Core processing, which significantly improved multitasking and performance in demanding applications by integrating two cores within a single processor. This advancement laid the groundwork for more efficient computing, catering to both casual and professional users alike.

Another key technology associated with the LGA775 platform is the Enhanced Speedstep Technology (EIST), which allowed processors to adjust their voltage and frequency dynamically. This not only optimized performance but also contributed to energy efficiency, making it a more environmentally friendly choice for users.

The socket supports various front-side bus (FSB) speeds, ranging from 800 MHz to 1600 MHz, enabling higher data transfer rates between the CPU and RAM. This performance characteristic is critical for applications that require substantial memory throughput, such as video editing and gaming.

Moreover, LGA775 was compatible with a variety of chipsets that enhanced its capabilities, such as those featuring Intel's own Express Chipsets. These chipsets included integrated graphics, USB 2.0 support, and improved storage interfaces like SATA, which streamlined data management and boosted overall system performance.

Over the years, LGA775 has become a popular choice for budget and mid-range desktops, particularly because of its versatility and broad compatibility with different processor generations. Even with the advent of newer sockets, LGA775 remains a memorable part of Intel's legacy, representing a crucial stepping stone towards modern multi-core architectures.

In summary, Intel's LGA775 socket brought about comprehensive advancements in design, performance, and power management, making it a noteworthy component in the history of computing. Its influence continues to be felt, as it set the standards for subsequent socket designs that prioritize efficiency and performance.