X20CP1586 B&R CPU UnitIntel Atom 1. 6 GHz processor with an additional I O processor Onboard Ethernet, POWERLINK with poll response chaining and USB 1 slot for modular interface expansion CompactFlash as removable application memory 512 MB DDR2 SDRAM Fanless The X20CP1586 is a powerful controller for the X20 system. This controller is especially useful for applications that require short cycle times, have to process very large amounts of data or carry out floating point