I have my syscheck supplied with this post so the installed costum ios from 249 to 252 are:
IOS249[56] (rev 65535, Info: d2x-v10beta52): Trucha Bug, NAND Access, USB 2.0
IOS250[57] (rev 65535, Info: d2x-v10beta52): Trucha Bug, NAND Access, USB 2.0
IOS251[58] (rev 65535, Info: d2x-v10beta52)...