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JMB390 - RAID Port Multiplier Chip

Description

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.

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 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 c.

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Datasheet Details

Part number JMB390
Manufacturer JMicron
File Size 270.22 KB
Description RAID Port Multiplier Chip
Datasheet download datasheet JMB390 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/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 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.
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