EDIT: Ooh, crap. 68K is right; FAT32 won't handle that. How DID it get there? If you mean "over the network," no. The PS3 is a client for DNLA, (DLNA?) but not a file server. You can copy DLNA content ...
Owners of Playstation 3 and Nintendo Wii consoles might care to download some of the freebies available from Red Kawa's site. As well as providing free Windows converter apps to repurpose video files ...