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Adaptec Serial ATA controllers aimed at servers

Posted: 18 Mar 2002 ?? ?Print Version ?Bookmark and Share

Keywords:adaptec? serial ata? controller ic? asic? application specific ic?

The company announced the availability of a storage controller ASIC that will serve as the core of a family of Serial ATA controllers and PCI RAID cards, targeted at sub-entry servers.

"Sub-entry servers and entry-level external storage will be early adopters of Serial ATA," said Gartner Dataquest analyst Roger Cox. "We expect significant desktop adoption to follow by 2004, a move that will drive cost economies for the broader market."

The research firm projects that Serial ATA HDDs will grow to more than 280 million units in 2005, with Serial ATA becoming the dominant disk drive connection in 2004. Driving this growth will be the increasing availability of Serial ATA host adapters and chip sets and an expanding need for a cost-effective, high-performance interface in both personal computer and enterprise storage markets.

The Serial ATA storage controller provides six power-managed ports and an additional hot-spare port. It incorporates 133MHz PCI-X bus support, an integrated Serial ATA PHY and the company's Seamless Streaming technology, which Serial ATA transfer rates by allowing a Serial ATA target to stream packets of data with minimum switching time.

The controller also features a SCSI driver model for migration path from SCSI to Serial ATA, and extends ATA scalability beyond four drives. The ASIC is suitable for a six-drive mirrored solution with a dedicated hot spare and supports up to seven drives in a JBOD or RAID 5 configuration.

The Serial ATA ASIC is priced at $34 each in OEM quantities.

The company is also offering a Serial ATA RAID developer's kit for OEMs. The kit includes a fully functional pre-release version of the company's 4-port Serial ATA RAID card, which supports the complete feature set of the Adaptec SCSI RAID controller family including RAID levels 0, 1, 1/0 and 5. It also includes four 1m Serial ATA cables, four hard drive legacy power adapters, and CD driver.





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