9.2.2.
It runs at 1 GHz, but that shouldn't matter; It's supposedly compatible.
Could a bad connection somewhere cause this? It's working fine under Mac OS X, so maybe not.
c
p.s. This machine was upgraded from 867 MHz when the logic board died, the previous owner told me. Consequently, the original restore disks no longer work. could the same be true of the Airport card under OS 9?