The IVEL Ultra is a Croatian computer made by Ivasim Electronika. Its creator was Branimir Makanec. They were made in a little city near Zagreb called Ivanic Grad. The main characteristic of the Ivel Ultra is to be compatible with the Apple II.
It is equiped with one or two 5.25" floppy disk drives. Its Basic is compatible with the Apple one, and its operating system called IDOS is compatible with Apple DOS 3.3
On top of that, the Ivel Ultra has a second processor, a Zilog Z80, mainly used to offer CP/M compatibility.
The were different versions of this computer. The brown version is the oldest model (made in 1984-1986) and the white version is newer (made in 1987-1990).
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nd the white version is newer (made in 1987-1900).