8GB 2X4GB RAM Memory for Compaq Presario CQ Series CQ56-201NR Black Diamond Memory Module DDR2 SO-DIMM 200pin PC2-5300 667MHz Upgrade System Specific Memory - Newegg.com
HP Compaq Presario CQ56-122ER (XM685EA) — Specifications
HP Presario CQ56-154CA Laptop RAM Memory | Kingston
HP Compaq Presario Presario CQ56-109SA : Free Download, Borrow, and Streaming : Internet Archive
Review HP Compaq Presario CQ56 Notebook - NotebookCheck.net Reviews
HP Compaq Presario CQ56-110US RAM Replacement - iFixit Repair Guide
Trying out (for science) Windows 11 on a 15 year old Compaq Presario V3000, what's most probably the oldest Intel based laptop that can technically run it (earlier ones either don't support