DIDO: Use slot 1 and only out 8-channel signal. It will loop once and stop. AIAO: 8024 use slot 2 and 8017 use slot 3. 8024 will out 0-5V to 17 once. RAMTest: It will display you how many memories available. Reboot: Reboot the machine. REGrecovery: It will clear the registry SetIP: It can set up your network card by command line. Test2P: Test R2 program.(Remeber short the TX & RX) Test8p: Test R8 program.(Remeber short the TX & RX)