You can identify the devices in a server or enclosure, such as a physical drive, because the light associated with the device you selected is flashing.
The ServeRAID Manager sends a command to the firmware (microcode) to start flashing one or more physical drive or enclosure lights, depending on the following:
works only on controllers with a SAF-TE processor
and the appropriate firmware. If a device light or a series of device lights
do not flash, it is because all or part of the subsystem is not controlled
by a SAF-TE processor.