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PMC-Sierra rolls 'first SAS 2.0 compliant' SAS/SATA controller

Posted: 23 Apr 2007     Print Version  Bookmark and Share

Keywords:SAS/SATA controller  enterprise-class storage  SAS/SATA disc-array systems 

PMC-Sierra Inc. expanded its Tachyon controller family with the release of the PM8000 Tachyon SPC 8x6G, enabling the first generation of enterprise-class tiered storage architectures.

According to PMC-Sierra, the 6Gbps SAS/SATA controller is the industry's first SAS 2.0 compliant device, enabling storage OEMs to provide enterprise-class SAS/SATA disc-array systems.

SAS 2.0 enhances the SAS protocol to achieve the levels of performance, scalability, availability and reliability that major companies require at an optimal total cost of ownership. It also significantly improves the connector and cabling within the data centre, reducing IT operational cost and improving its overall usability compared to first-generation SAS/SATA deployment.

The Tachyon SPC integrates many features, including compatibility with Tachyon programming model; support for 1024 end devices for high-density storage arrays; 1.5Gbps SATA and 3Gbps SAS/SATA backwards compatibility; eight-lane PCI Express 2.0 bus; greater than 250,000 input/output per second (IOPS) performance; SAS 2.0 compliant multiplexing to boost performance when used in 3G infrastructures; full-featured fault isolation framework application in Host software; and support for the T-10 Standard Data Integrity Field (DIF) to ensure complete integrity in the I/O data path.

PMC-Sierra provides a SAS Tachyon Software Development Kit (sTSDK) that encapsulates the SAS protocol behind an architected API, managing all chip-specific control of the Tachyon device. This software, including sample drivers, allows users to focus their engineering resources on system-level software development, significantly improving time to market.

The new controller is available to select partners in a 672-pin FC PBGA package.

- Ismini Scouras

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