reached a settlement agreement where Hyperion is granted an exclusive right to AmigaOS 3.1 and market AmigaOS 4 and subsequent versions of AmigaOS (including AmigaOS 5 without limitation). On 30 September 2009, Hyperion Entertainment and Amiga, Inc.
During the judicial procedure (between Hyperion and Amiga, Inc.), OS4 was still being developed and distributed. However this is both unofficial and unsupported as of today, and very incomplete, especially regarding drivers. Also, a third party bootloader, known as the 'Moana', was released by Acube on torrent sites it allows installation of the Sam440ep version of OS4 to Mac Mini G4s. The Italian computer company ACube Systems has announced Sam440ep and Sam440ep-flex motherboards, which are AmigaOS 4 compatible. Nevertheless, AmigaOS 4.0 was released commercially for Amigas with PowerUP accelerator cards in November 2007 (having been available only to developers and beta-testers until then). terminated the contract with Hyperion Entertainment to produce or sell AmigaOS 4. During the five years of development, purchasers of AmigaOne machines could download pre-release versions of AmigaOS 4.0 from Hyperion's repository as long as these were made available.
