JMB390 is a single chip, 1 to 2-ports
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. JMB390 uses JMicron’s production-proven Multi-port Serial
ATA PHY technology and JMicron-proprietary storage processor to provide very
high efficient SATA RAID operation.
Key Features
·Integrate high performance RAID storage processor
·Support Native Command Queue (NCQ)
·Fully hardware-accelerated RAID Engine
·Supports RAID levels: 0 / 1 / JBOD
·No driver, BIOS or software required for RAID operation
·No external DRAM or processor required for RAID operation