JMB391 Datasheet (JMicron) - RAID Port Multiplier Chip

JMB391, RAID Port Multiplier Chip

JMB391 is a highly integrated single chip.

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

With proper firmware programming, JMB391 can be used as SATA p

JMicron/JMB391 JMB391 RAID Port Multiplier Chip 1.

Overview JMicron JMB391 is a single chip, 1 to 5-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.

JMB391 uses JMicron’s production-proven Multi-port Serial ATA PHY technology and JMicron-proprietary storage processor to provide very high efficient SATA RAID operation.

With an easy configuration scheme, the device ca

JMB391 Features

* 2.3 SATA Supports 6-port 3.0Gbps SATA II interface Supports SATA II Gen2i and Gen2m (External SATA Connection, eSATA) Output swing control and automatic impedance calibration for SATA II PHY Supports asynchronous signal recovery Supports spread spectrum clocking Supports partial / slumber power savi