I had to compare machine hardware today, and found information on that here.
**#prtdiag -v - **Gives hardware information about FSB, Sparc Model, CPU speed, RAM, Harddisks, USB drives (ie. PCI and networking slots) etc.
Click on the image below, for a detailed overview of prtdiag’s output
#psrinfo -p - lists number of physical processors .
#psrinfo -p -v - list number of virtual processors (cores) per physical processor.
#psrinfo -v - detailed information for each virtual processor.
**#prtconf | grep Memory **- displays total amount of RAM.