The Lik Sang website updated their info about PS2 modchip:

"..Another quick info, we have updated our Website with detailed information regarding the PS2 Modchip; the texts are even available in Japanese. Click the direct link below or refer to our news section on the Website .."

Also Sony seems quite angry with PS2 modchip and plan to ship soon the new model SCPH -15000 around next month which supposed to be impossible to modify... NULL