Got my A1181 09' MacBook 5,2 running a 500GB SSD, 4GB Ram, and pushed it from the max OS of El Capitan to Mojave with a patched install USB I put together (:
Apple Macbook Model # A1181 - For Parts or Not Working - Boot up & Battery Issue | eBay
How to Create a Bootable Install USB Drive of Mac OS X 10.10 Yosemite « Mac OS Tips :: Gadget Hacks
MacBook Black A1181 with macOS Catalina : r/macbook
Apple Notebook MACBOOK A1181 white 13.3 Inch HD 120GB and 2GB RAM - A1181
軽量Linux活用ガイド2021:64bit版】MacBook 13インチ Late 2007(A1181)をSSDに換装してLinuxをインストールする | TO BE CONTINUED
Reviving a 2006 Macbook (Part 1) — Alex Seibz' Site
How to dual boot Mac OS and Windows 10 on Apple MacBook A1181 - also add SSD and RAM - YouTube