iMac 2.4 GHz (24-inch, Mid 2007) — Keane Mac Repair
How to Upgrade iMac RAM (20" and 24" Aluminum): EveryMac.com
Mid 2007 iMac cpu upgraded from t7700 to t8300 and now I have Mojave : r/mac
Mid 2007 iMac CPU Upgrade & Tiger Thru Mojave OS Demo - YouTube
A-Tech for Apple 6GB Kit (1x2GB 1x4GB) DDR2 667MHz PC2-5300 200-pin SODIMM for MacBook (Late 2007, Early 2008, Early 2009), MacBook Pro (Mid 2007, Early 2008), iMac (Mid 2007) - Memory RAM Upgrade at Amazon.com
iMac | 2.4 GHz Core 2 Duo | 20 Inch | Aluminium - Techable.com
The infamous 2007 iMac on Catalina | MacRumors Forums
Install memory in an iMac - Apple Support (HK)
iMac (2007-2009) Memory Installation Video - YouTube