Hello! I have my PS2 slim with FMCB 1.966 EXFAT and OPL 1.20. Fmcb remain stuck on start up logo if i have plugged usb memory stick EXFAT.If i use mx4SIO adapter with memory card in EXFAT not have problems but with usb memory in exfat fmcb frezee. Why is this issue?