Use normal USB flash drive as the medium for transfer design.34pin 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. 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. Panel:8 segment numbers: Represent partitions number.Green LED: Status of read and write operation.USB port: Connect USB flash drive 100 disk image file supported. (used for machine with non FAT disk format, example for make boot disk). Model Number: floppy Interface Type: USB3.0 Drive Type: DVD-ROM Application: Desktop Item Condition: Installation Method: Built-in Disc Loading Mode: Tray Type Error Correction Function: Support Floppy Driver: Interface: 34 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 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 34pin of fl