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JMB322 - RAID Port Multiplier

Description

JMB322 is a highly integrated single chip.

It integrates three high-speed Serial I/O’s, three SATA upper layers, a high-performance RAID engine, a microprocessor, SRAM, PROM, a high efficient data bus and other control logic into the chip.

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Datasheet Details

Part number JMB322
Manufacturer JMicron
File Size 1.55 MB
Description RAID Port Multiplier
Datasheet download datasheet JMB322 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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JMicron/JMB322 JMB322 RAID Port Multiplier Overview The JMicron JMB322 is a single chip, 1 to 2-port Serial ATA II Port Multiplier with RAID function support. It is designed to provide SATA port expansion, data protection and performance aggregation at various applications. The device uses JMicron’s production-proven Multi-port Serial ATA PHY technology and JMicron-proprietary storage processor to provide very high efficient RAID operation. With an easy configuration scheme, the device can be a pure port multiplier which provides SATA port expansion just like USB Hub, or hard-drive performance booster which provides a high performance device seen by host controller or hard-drive data protector which automatically backup data to prevent data loss from hard-drive damage.
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