... U disk to input and output pattern data.The memory on the machine is 64M. It could be extended ... is easy handing and used of free, even more upgrading available.2. Carriage structure:Due to the aluminum alloy ... data,3.5'' floppy disk and U disk. The memory on the machine is 32M, max goes to 1G, ... is easy-handing and used far free, even more upgrading allowable22. Power3 phase AC 380V, or single phase 220V ...