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SAS expanders offer full interoperability with controllers

Posted: 26 Jan 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Ismini Scouras? LSI Logic? Serial Attached SCSI? SAS? SASx36?

LSI Logic Corp. is shipping production units of Serial Attached SCSI (SAS) 36-port and 28-port expanders that operate at 3Gbps. By adding the LSISASx36 and LSISASx28 to its product portfolio, LSI Logic can now offer storage equipment manufacturers SAS expanders and controllers that are interoperable.

With 36 or 28 independent SAS/Serial ATA (SATA) ports, the LSISASx36 and LSISASx28 expanders enable large external storage environments to connect to multiple initiator and target devices. The LSISASx36 and LSISASx28 expanders offer a common programming model for internal and external SEP support. In addition, they provide an upgrade path from the external SEP interface of the LSISASx12 and LSISASx12A.

"LSI has achieved first pass success on this product," said Robin Wagner, director of product marketing, Storage Components Group, LSI Logic, in a statement. Using LSI, OEMs have the opportunity to source expanders and controllers from a single vendor, providing proven interoperable solutions and the lowest risk path to success. By reducing the number of vendors to be managed, these OEMs can speed products to their customers faster,

Key product features include zoning for storage partitioning applications, and initiator functionality such as self-discovery and self-configuration. The products leverage an ARM processor for enclosure management and extended SAS functions.

LSI offers baseline firmware, including an application interface for controlling SEP functions that can be customized to an OEM's specific application by using its software development kit (SDK). The SDK provides all source code, the Hardware Abstraction Layer API, the programmer's guide and the SAS expander technical manual. In addition, LSI provides a number of supporting utilities for manufacturing, configuration and diagnostics.

Volume pricing for the SASx36 and SASx28 is $57.60 and $44.80, respectively.

- Ismini Scouras

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