prtconf — Print System Configuration
/usr/sbin/prtconf -V | -F | -x | -vpPD
/usr/sbin/prtconf -V | -x | -vpPD
Use the prtconf command to print the system configuration information. The output includes the total amount of memory and the configuration of system peripherals formatted as a device tree.
The output of the prtconf command is highly dependent on the version of the PROM installed in the system. The output is affected in potentially all circumstances.
The driver not attached message means that no driver is currently attached to that instance of the device. In general, drivers are loaded and installed (and attached to hardware instances) on demand, and when needed, and may be uninstalled ...