Provided that all other pre-requisites are satisfied, some NTSC titles may be used on PAL hardware in 480p mode but, due to region locking, this requires the use of either a software loader (such as the Datel Freeloader) or a modchip.
Provided that all other pre-requisites are satisfied, this requires the detection of a NTSC Signal. Due to region locking there is the need of an alternate bootloader (such as the Datel Freeloader) or a modchip.