Go to the configurator on the bottom of the list launch it. then go to Configure OSDSYS options.
turn skip sony logo to off.
then click save cnf to MC0.
then click PS2 browser (FMCB Restart).
While I know you mean in case of someone confusing schooling establishment from shooting establishment (many of the same letters) I am still going to read that as lockdown (also known as lock in) for a pub
being drunk in school was either because drunk on playing field or could not be arsed with one particular Thursday afternoon so went and had some beers and played some games instead before returning for an ill advised last lesson/period