http://forums.overclockers.ru/viewt...82e172bffb1303e

另外英文版說明如下：
http://forum.rpc1.org/viewtopic.php?t=38995

http://crazycat69.narod.ru/nec-dvdrw/btflashp-x57x.zip
this patched BTFLASH 1.21 for support bootflashing new NEC dvd-drives. Now include bootcode files for 3570, 4570 and 4571 (use as btflash -f bootcode.bin).
work only on drives manufactured before march 2006 (like 3550:-).

also possible read bootcode from x57x drive with patched Nec BinFlash 1.30 - http://crazycat69.narod.ru/nec-dvdrw/necflash130bt.zip