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SiS 655FX Chipset Reference Motherboard
SiS 655FX Chipset Reference Motherboard - PCSTATS
With the SiS655FX, the company is now positioned to be a key player in the Intel chipset market, offering better value to motherboard makers.
 94% Rating:   
Filed under: Motherboards Published:  Author: 
External Mfg. Website: SIS Nov 03 2003   C. Sun  
Home > Reviews > Motherboards > SIS 655FX

SiS 655FX Chipset Reference Motherboard

Today we have the opportunity to take a close and personal look at the newest member of the SIS chipset family for the Intel Pentium 4 processor; the SIS 655FX. There's more to the 655FX than just a dual channel memory controller and 800 MHz FSB compatibility though, the brand new SIS 655FX and accompanying SIS 964 Southbridge each contain some very innovative technologies developed by SIS. These technologies give the SIS655FX a performance level equal to that of Intel's very popular i865PE 'Springdale' chipset, and in some cases, to that of the high end i875P 'Canterwood' chipset.

Remarkable you say? Well, that's what we thought too. As was the case several years ago when VIA emerged from the shadows of the 'value chipset markets' to produce some truly performance oriented core-logic, SIS are now doing. With the SiS655FX, the company is now positioned to be a key player in the Intel chipset market, offering better value to motherboard makers, and some damn fine performance to consumers.

With the 655FX, SIS are introducing an interesting new technology known as 'HyperStreaming'... but more on that in a moment. By default the SIS 655FX supports Intel Pentium 4 processors running on a 400-thru-800 MHz FSB. The chipset also packs in a dual channel PC3200 memory controller, meaning it can provide the Pentium 4 with up to 6.4GB/s of bandwidth.

SIS 655FX Reference Motherboard


This board is not for retail sale, so it only includes documentation and drivers.

With SiS's proprietory MuTIOL technology there's also another 1GB/s of bandwidth between the Northbridge and Southbridge to ease up on any possible bottlenecks. That's a lot of bandwidth considering the Intel i875P/i865PE northbridge and ICH5/R southbridge only has 533 MB/s bandwidth between it to communicate. See, we told you this was going to be good!

This reference motherboard is not based on the ATX standard, and you will not be able to buy it in your local shops. Motherboards based on the SIS655FX chipset are available from most major motherboard makers, such as the Gigabyte 8S655FX Ultra which PCstats has previously reviewed. What is really important about this review, is that it represents a stable platform to illustrate how the SIS 655FX chipsets performs under reference standards. So let's find out!

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Contents of Article: SIS 655FX
 Pg 1.  — SiS 655FX Chipset Reference Motherboard
 Pg 2.  A Look Around a Reference Board
 Pg 3.  A unique layout of components
 Pg 4.  SiS 655FX Northbridge
 Pg 5.  What is HyperStreaming?
 Pg 6.  System Specs and Benchmarks
 Pg 7.  Benchmarks: Winstone 2000, Winbench 99
 Pg 8.  Benchmarks: SiSoft Sandra 2003, SpecviewPerf 7
 Pg 9.  Benchmarks: PCMark2002, 3DMark2001SE
 Pg 10.  Benchmarks: Quake III Arena, UT2003
 Pg 11.  Competition for the i875P and i865PE

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