Siemens SIMATIC Field PG M4 Getting Started page 12

Application planning
3.2 Device identification data
Rating plate
● Order number of the device
● Ethernet address
● Microsoft Windows "Product Key" on the "Certificate of Authenticity" (COA). The Product
COA label
The COA label is stuck to the bottom on the device.
12
The Ethernet addresses of the device are listed in the BIOS Setup (ESC key >
Icon "SCU") at Advanced > Peripheral Configuration.
Key is always required to reinstall the operating system.
SIMATIC Field PG M4
Getting Started, 10/2012, A5E31347325-AA