These are the version 45.066 "3.X" ROMs by Cloanto, released in the Amiga Forever emulation and Classic Support series. The "3.X" product version designator uses an upercase "X", as in the Roman numeral for 10.

These ROMs build on the original 40.068 components by Commodore-Amiga, Inc., featuring the following improvements:

• Official updates by Gateway's Amiga International (e.g. large disk support)
• scsi.device and exec.library updates by Alexander Benedictov, Chris Hodges, Heinz Wrobel, Jeff Weeks and Toni Wilen
• expansion.library fixes and 68060 patches by Jeff Weeks
• Ranger memory detection routine replacement by Henryk Richter
• FastFileSystem fixes by Etienne Vogt
• mathieeesingbas.library fixes by Harry "Piru" Sintonen
• Fix to floppy drive issue affecting some systems in version 45.061

For additional information:

• Amiga Forever 3.X ROM Improvements