FIRST LOOK: SiS 755FX for Socket 939 Athlon 64by Wesley Fink on December 16, 2004 12:05 AM EST
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About a year ago, we were very impressed with the introduction of the SiS 755 chipset. In fact, we were so impressed that we awarded our Editor's Choice for Best Athlon 64 chipset to SiS in SiS755 Reference Board: Athlon64 from SiS. We fully expected that many of the major motherboard manufacturers would be producing boards based on the SiS 755, but that never happened. In the end, only 2 SiS 755 motherboards made it to the AnandTech labs - an ECS and a Foxconn. Both were capable budget motherboards, but neither packed the kind of enthusiast features we hoped that we would see with the 755 chipset.
Now, a year later, we are taking a first look at an update to the SiS chipset called the 755FX. The FX adds support for the latest Socket 939, dual-channel memory, and 1000 HyperTransport, but it is otherwise quite similar to the 755. This is mainly due to the fact that the Winfast 755FXK8AA uses the same 964 Southbridge that we reviewed late last year. Winfast is the brand name used by Foxconn for their Athlon 64 motherboards.
The focus with the Winfast board is really value. Foxconn tells us that the Winfast 755FX will sell for less than $100, which will be the first Socket 939 board to reach that price point. If the Winfast 755FXK8AA is a decent performer, this will open new price points for Socket 939 systems - particularly those built around the new 3000+ and 3200+ 90nm value Athlon 64s.