cPCI-SBC02BoardUsermanual-5-http://www.daqsystem.com2 . cPCI-SBC02 AppearanceTable 2.1 Each Function DescriptionNameDescriptionPOWER S/WMain Power switch of EMB-CPU04SO-DIMMDDAR2MEMORY256M~2GB memoryIntel US15WPTSCHIntel AtomPIC Express SlotPIC Express slot Connector.COM1 (J17)PIN Connecter for Serial Communication1. PIN : RX1