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JMicron/JMB321
JMB321 Port Multiplier Chip
Overview
JMicron JMB321 is a single chip. It integrated six independent SATA channels and a micro-processor. With proper setting, the chip can be configured as an 1 to 5-ports Serial ATA II Port Multiplier or a 5 to 1-port Serial ATA II Port Selector. JMB321 contains 15 GPIOs which can be configured as various standard interfaces. It also has the capability to load external firmware code to extend its functionality.
Compliance
Compliant with Serial ATA II Port Multiplier
Spec. Revision 1.2 Compliant with Serial ATA II Port Selector Spec. Revision 1.0 Compliant with Serial ATA II PHY Electrical Spec. Revision 1.0 Compliant with Serial ATA High Speed Serialized AT Attachment Spec. Revision 2.5
General
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JMB321 Datasheet
