These are my own recommendations based on personal experience and information
received from others.
I have run Debian on my machine and it works very well. I had a few issues
with the installer but that was some time ago and I believe these issues have
been sorted out now.
Probably the best choice if you are looking for a commercially supported
distribution. I don't believe that the 7043-140 is officially supported,
however I know from personal experience that SuSE are very helpful when
it comes to supporting the older RS/6000 machines.
NOTE: Please contact SuSE for an official statement on support for
The latest version of SuSE PPC that is available for download is 7.1. This
can be installed and works reasonably well, but the installer is poor (IMO)
and contains some bugs. If you want SuSE then I recommend you buy the
boxed 7.3 version (that's what I did). The installer works a lot better
and if you are lucky, it may install out of the box (sadly, it didn't for
me). I have a walkthrough of installing SuSE 7.3ppc that may be of some
This is a RedHat-based distribution for PowerPC. I successfully installed
version 2.1 on my machine (because I happen to like RedHat). However, it
was a struggle, and I would not recommend it unless you are an advanced
user. I might have another go with 2.3 when it is available for download.
Red Hat did release version 7.1 of their distribution for PowerPC but it
is only for iSeries and pSeries, and there have been no updates since
it's release. I'll admit I managed to install it on my machine, but I
would suggest you contact Red Hat if you interested in it.