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Old Mac OS Runs on Wii Console!
10 Apr
Summary
- Mac OS X 10.0 (Cheetah) was successfully ported to a Nintendo Wii.
- Developer Bryan Keller was inspired by doubters and other Wii OS ports.
- The Wii's PowerPC chip similarity to older Macs aided the process.

In a remarkable feat of reverse engineering, developer Bryan Keller has successfully ported Mac OS X 10.0 (Cheetah) to run on a Nintendo Wii. This achievement, initially conceived in 2013, gained momentum five years ago when Keller was motivated by anonymous online skepticism. Witnessing Windows NT successfully ported to the Wii last year further fueled Keller's determination.
The Wii's architecture, featuring a PowerPC chip similar to older Macs, proved conducive to the porting effort. Keller created a custom boot loader, modified the kernel, and developed new drivers. Crucially, the Wii's USB ports were made functional for mouse and keyboard input.
Keller described the process as deeply satisfying, particularly in overcoming initial doubts and proving the skeptics wrong. The project served as a personal learning experience and a reminder that pursuing challenging, seemingly out-of-reach goals can yield significant accomplishments and valuable lessons.