I've got a slim PS3 (CECH-2501A) and it seems that with REBUG 4.81.2 REX (and COBRA), I can put a PS2 disc in the drive and it sees it on the XMB as a "PS2 Format Disc", but launching it just gives a black screen and I need to hard powerdown the PS3. Interestingly, I can use multiMAN to make an...