JMB391 Datasheet PDF

JMicron JMB391

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. With an easy configuration scheme, the device can be a pure port multiplier which provides SATA port expansion just like a SATA 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.

Part No.	JMB391
Datasheet	JMB391 Download
Manufacturer	JMicron
Description	RAID Port Multiplier Chip
Buy	Stock & Price

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 saving mode Automatically speed negotiation for 3 Gbps or 1.5 Gbps Supports BIST and loopback mode Supports staggered spin-up Supports 48-bit LBA addressing Supports ATAPI drives Supports Native Command Queue (NCQ) Supports Hot-Plug Supports Asynchronous Notification Supports PM aware and non-PM aware host 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 2.2 General Integrated 6-port SATA II PHY Integrated PLL for SATA II interface Total six independent SATA channel Integrated uP, PROM and SRAM for firmware programm...