... 1,16 bit CPU, 1Mb high-speed CACHE memory 2,Stepping motor & servo motor 3,0.025mm mechanical ... .2,Seamlessly with AutoCAD,CorelDRAW,AI and many other graphics software, imageoutput directly.3,Supports serial port, USB port and SD card ... 0.1mmDrawing InstructionDM-PL/HP-GL Automatic IdentificationInterfaceUSB/Sdcard/Serial portPower SupplyAC110V/220V±10%,50Hz-60HzComputer OSWin98/XP/ ...