Yes, some tips would be a good idea 

Forum: Non-x86 PCMCIA Issues
Re: Panic on card insert on ppc g3, 3.1.11 / 2.2.x (Wim Lewis)
Re: PCMCIA on PowerPC is problematic (David Hinds)
Re: PCMCIA on PowerPC (Wim Lewis)
Date: 2000, Feb 23
From: David Hinds <dhinds@pcmcia.sourceforge.org>

I agree that there should be a section in the HOWTO about Powerbooks, but since I have so little information, I have not been comfortable with writing it. I would welcome contributions. -- Dave

to: "Yes, some tips would be a good idea"