Windows XP 32-bit
3.5/5 from 20 reviews.
- CPU Socket: Socket LGA775, Socket 478
- Front Side Bus: 800/533/400 MHz
- Memory Type: DDR
- Maximum Memory Support: 3 GB
- Data Transfer Speed Support (SATA): 1.5 GB/sec
Description:SiS 661FX was built in two different versions by Silicon Integrated Systems (SiS), one utilizing the LGA775 Socket architecture, and the other based on the Socket 478 architecture. The chipsets, as a result, offer variable Front Side Bus (FSB) frequencies depending on the version, among 800/533/400 MHz. However, all the products support a single memory channel, and can utilize a maximum of 3 GB of DDR type memory. Serial ATA (SATA) is also supported by all the products, up to a maximum data transfer speed of 1.5 GB/sec. USB 2.0 connectivity technology is also supported natively by all the chipsets, irrespective of the versions.
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The chipsets of the series being described have been built according to the Land Grid Array (LGA775) Socket architecture. Products developed on the basis of this structure do not have socket holes built into those. Rather, these chipsets are equipped with 775 connector pins protruding outward, which are constantly in touch with contact points provided on the underside of the processor. A locking lever provided with these processors ensures that the connections between the contact points and the pins of the chipsets are always secure. The design has the benefit of ensuring that pins provided on the underside of the processor do not get bent under excess pressure during the installation process, possibly damaging the motherboard and/or CPU as a result.