JMB390 Datasheet (JMicron) - RAID Port Multiplier Chip

JMB390, RAID Port Multiplier Chip

JMB390 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 highly efficient data bus and other control logic into the chip.

With proper firmware programming, JMB390 can be used as SA

JMicron/JMB390 JMB390 RAID Port Multiplier Chip 1.

Overview JMicron 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.

With an easy configuration scheme, the device c

JMB390 Features

* 2.1 Compliance Compliant with Serial ATA II Port Multiplier Spec. Revision 1.1 Compliant with Serial ATA II PHY Electrical Spec. Revision 1.0 Compliant with Serial ATA High Speed Serialized AT Attachment Spec. Revision 2.5 www.DataSheet.co.kr 2.3 SATA Supports 3-port 3.0Gbps SATA II interface Supp