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Intel Pentium 4 LGA775 DIY Guide
By CPU-zilla
Category : DIY Guides
Published by Jimmy Tang on Monday, 16th August, 2004


About two months ago, Intel unveiled a major change in their computing platform which would serve to be the stepping stone for greater things to come. So huge was the change that a lot of hardware we've come to know has undergone a significant overhaul, whether in technology or form factor. The change was necessary as it was seen in the industry as a much needed evolution of technology, as well as to keep up with the computing needs of today.

If you're still clueless at this point, we're actually talking about Intel's latest range of Alderwood and Grantsdale platforms which has been designed to embrace the latest technologies like PCI Express, DDR2 and a whole lot more of useful features for the digital home usage model. With an influx of new hardware coming into the market right now, we know a lot of DIYers are unsure of what to do with these new standards in hardware technology. However, fret not as we've quickly whipped up our next DIY guide for those willing to take the plunge into the unknown and be one of the early adopters of these exciting technologies. If you want to know more about the new platform, you should check out our recently published Alderwood article .

Along with new technologies like PCI Express and DDR2, Intel has also updated their CPU socket form factor to what is now known as LGA775 (LGA is known as Land Grid Array) or Socket-T. This is basically a new silicon packaging technology which does not incorporate any pins. In fact, the processor is so well packaged that it is virtually impossible to damage it by poor handling techniques. This is because the processor does not come with any pins and unlike the older Socket-478 packaging, there are no pins for you to break. So, how does one install a processor like that? That's what we'll discuss in this guide, along with all the important tips and tricks you'll need to keep in mind in order to successfully build your first high-end system.

Intel Pentium 4 processors with the new LGA775 packaging.

Before we begin, let's run through some of the available LGA775 processors available from Intel. Note that the list here is not exhaustive since Intel will release new processors from time to time. What is provided in the table below is correct at the time of publication.

Technical Specifications of LGA775 Processors
Processor Pentium 4 Pentium 4 Pentium 4 Pentium 4 Pentium 4 Pentium 4 Extreme Edition
Model No. 520 530 540 550 560 -
Processor Frequency 2.8GHz 3GHz 3.2GHz 3.4GHz 3.6GHz 3.4GHz
Process Technology 90nm 90nm 90nm 90nm 90nm 130nm
No. of Transistors 125 million 125 million 125 million 125 million 125 million 178 million
L1 Cache (data + instruction) 16KB + 12KB 16KB + 12KB 16KB + 12KB 16KB + 12KB 16KB + 12KB 8KB + 12KB
L2 Cache 1MB 1MB 1MB 1MB 1MB 512KB
L3 Cache - - - - - 2MB
FSB Frequency 800MHz 800MHz 800MHz 800MHz 800MHz 800MHz
Hyper-Threading Technology Yes Yes Yes Yes Yes Yes
3D and Multimedia Instructions MMX, SSE, SSE2, SSE3 MMX, SSE, SSE2
Instruction Set x86 ISA (32-bit)
Voltage 1.25 - 1.40V 1.25 - 1.40V 1.25 - 1.40V 1.25 - 1.40V 1.25 - 1.40V 1.525 - 1.60V
Thermal Design Power 84W 84W 84W 115W 115W 109.6W
Pricing* US$178 US$218 US$278 US$417 US$637 US$999
* Pricing indicated for 1,000-unit tray quantities. Correct at time of publication.

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