ftp://ftp.iar.com/pub/mirror/EWMIRROR/002350/EW8051-EV-710A.exe
ftp://ftp.iar.com/pub/mirror/EWMIRROR/002373/EW8051-EV-720A.exe
ftp://ftp.iar.com/pub/mirror/EWMIRROR/002388/EW8051-EV-720B.exe
ftp://ftp.iar.com/pub/mirror/EWMIRROR/002415/EW8051-EV-720C.exe