JMB321 Datasheet | JMicron

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. pliance pliant with Serial ATA II Port Multiplier Spec. Revision 1.2 pliant with Serial ATA II Port Selector Spec. Revision 1.0 pliant with Serial ATA II PHY Electrical Spec. Revision 1.0 pliant with Serial ATA High...