Although I don't own a Jornada 720 yet, I made this site to benefit those who own one.

About Puppy Linux on Jornada 720:

I found this attempt online:

10 year old thread on HPCFactor about Puppy Linux:

Some related links (not Puppy Linux though) that might come useful:

Might be interesting: Kernel 4.7 attempt on Jornada 720 (with progress):

Jlime related: