NI PXIe-6738 157038D-02L NI PXIe-6739 157038D-01L Manufacturer: National Instruments Volatile Memory User Accessible/ Battery Type1Size System Accessible2 Backup? Method of Clearing3 Analog Output FIFO 72k x 16-bit Yes/Yes No Cycle Power Counter Input FIFO 512 x 32-bit No/Yes No...