[iBook G4] network installation

[Ferdinando Pucci]

Hi, i'm following the instructions of
http://people.debian.org/~branden/ibook.html to install Debian on an iBook G4
@800Mhz. When i enter OpenFirmware and type boot hd:3,yaboot i get this error:

MAC-PARTS:      LOAD <noninterposed> not supported load-size=0 adler32=1
LOAD-SIZE is too small

or something very similar... google didnt helped me, maybe you all can? ;-)
Thanks a lot

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        A body of elderly gentlemen charged with high duties and misdemeanors.
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