Compatibility of System Exclusive Data August 17, 2023 02:27 Updated Follow The JV-1000 System Exclusive information can not be read by the JD-990. (However, the JD-990 will read the Patch Temporary Data of the JD-800.) Related articles Compatible Compact Flash Card Sizes Installing USB Drivers for Roland and Edirol Products How do I find/enter my Serial Number? JV-1080: Using the JV-1080 for General MIDI