First Generation Minis require Mac OS X v10.1.5 minimum, Second Generation need a minimum of Mac OS X v10.2.8.Its an i pod mini
I have a USB card installed (Lava) usb 1.2
from Apple support:A beige G3/266 can run Jaguar (10.2) so you might be in luck
128 MB RAM (memory) or more for Mac OS X 10.3.9 or earlier.
At least 1.5 GB free hard disk space. Note: For Mac OS X 10.2 or later, 3.0 GB is the recommended minimum. The exact amount required depends on your computer and how you install Mac OS X (default versus custom installation, for example).