Features: Use normal USB flash drive as the medium for transfer design. 33pin floppy driver interface, 5V DC power supply, easy to install. 720KB built-in flash memory, with FAT12 format, used for cache data from USB flash drive. 720KB capacity of files in root directory or 999 folders can be searched. Long file name and 4-level directory in 999 folders supported. Jumpers with function for different machines. 100 disk image file supported. (used for machine with non FAT disk format, example for make boot disk). Floppy Driver: Interface: 33 pin floppy driver interface, 5V DC 4 pin power plug Format of disk: Cylinders: 80 Tracks: 160 Sectors/Track: 9 Bytes/Sector: 512 Data Transfer rate: 500 kbps Encoding method: MFM Panel: 8 segment numbers: Represent partitions number Green LED: Status of read and write operation USB port: Connect USB flash drive Button: When no USB flash drive plugged on emulator: Left button used to rise ten-digit, right button used to rise single-digit, press 2 button together to rise hundred-digit, when the hundred-digit is 'b', the image mode used. When an USB flash drive plugged on emulator: Left button used to transfer data from built-in memory into USB flash drive, right button used to transfer data from USB flash drive into built-in memory. Firmware version of emulator: Keep pressed 2 button together, power on, 8 segment numbers will display firmware version and data of emulator to detect different model. Error Code: E0: No specified file in USB flash drive E16: Built-in memory fault Jumper Setting: J5: --- JA: Set to generate READY signal on 33pin of floppy driver interface JC: --- JB: --- S0: Driver select 0 S1: Driver select 1 MO: Motor Specifications: Model: SFRM72-FU-DL Compatibility: Suitable for Yamaha Korg Roland Electric Organ with 720KB floppy drive Voltage: 5V DC Interface: USB port, 4 pin power plug, 33 pin plug Housing material: ABS Size (L x W x H): Approx. 122 x 102 x 25mm / 4.8 x 4.0 x 1.0inch Color: Gray (Shown as the picture) Package weight: 98g Package Included: 1 x USB Emulator Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.