Download and install Qwix (archive.org or emulation forums).
You will need the following:
Keywords: Convert ISO to XISO, Xemu ISO converter, Xbox ISO to XISO, Repackinator guide, extract-xiso tutorial, original Xbox emulation. Convert Iso To Xiso
This is because "Standard ISOs" (Redump) contain a massive video partition designed to play on standard DVD players, while the actual game data is hidden in a second partition. To make these playable, you need to convert them to format—a "trimmed" version that only contains the game data. Download and install Qwix (archive