yaboot and bw g3 wont boot

[Brian D. Carlstrom]

garrisot at otc.edu writes:
 > I get the folder with a question mark everytime I try to boot. 

Sounds a little like my problem with my older 2.0GHz PowerMac on Fedora Core 5:
    http://ozlabs.org/pipermail/yaboot-users/2006-April/000006.html

I can boot from open firmware with:
    boot hd:2,yaboot

all my newer machines are fine.

-bri