616449-001 623909-001 Motherboard For Compaq Presario Cq56 Hp G56 Daax3mb16a1 - Laptop Motherboard - AliExpress
4Gb (1X4Gb) Memory RAM Compatible with Compaq Presario Cq56-219Wm Ddr2 Sodimm By CMS (A42) - Computer Memory Solutions
CMS 8GB (2X4GB) DDR3 8500 1066MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Compaq Presario Cq56-109Sl, Cq56-109So - A35 at Amazon.com
4GB RAM Memory Upgrade for the Compaq HP Presario CQ56-112SA | eBay
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