17-inch PowerBook G4 "Aluminum" Memory Installation Video - YouTube
OFFTEK 1GB Replacement Memory RAM Upgrade for Apple iBook G4 A1054 (PC2100) Laptop Memory at Amazon.com
iBook - Wikipedia
My 2004 17" PowerBook G4. Believe it or not this is still my main laptop and I use it daily : r/mac
The return of the 12-inch PowerBook G4 | Riccardo Mori
Maybe Little bit vintage for Reddit but Mac OS 9 on my powerbook G4 12inch ,it boots but the sleep mode function doesn't work and I can't change it anymore than 256
How to upgrade RAM in your Apple iBook G4 - YouTube