Xi'an SAMING Technology Co., Ltd. developed SAMING NetGuard independently with own ingenious technique, which is an intelligent security protection product as the form of auto-negotiation 10/100M Ethernet adapter for computer data ever developed. SAMING NetGuard provides the complete protect functions of dynamic save and instant recovery for the data in hard disk and CMOS at the same time. Meanwhile, it has powerful NetClone function, so it is named as well as "4 in 1". For all kinds of computer virus, hackers or intended destructs to the data in hard disk, SAMING NetGuard can recover your data without demolishment in a few seconds, and it won't occupy any usable space of hard disk or influence your system. Besides the functions and features of a standard SAMING NetGuard , it is powered by an unique exciting function suitable for use in LAN－NetClone, with this revolutionary function you can copy partition and parameter data from one computer to many other computers simultaneously in LAN at a with high speed without support of operating system. SAMING NetGuard provides a network management utility for administrators to make the maintenance of a network environment easier. Powerful centralized management functions include net copy, recovering, saving, restarting, logging off, shutting down, transmitting files, sending messages and so on. With its help, administrators can easily manage each client that has installed SAMING NetGuard in LAN. SAMING NetGuard = SM8139 NIC + SAMING PCGuard + NetClone + NetManager