% sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date [sudo] password for tracey: G5ET97WW (2.57 ) 02/25/2014
% sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
[sudo] password for tracey:
G5ET97WW (2.57 )
02/25/2014