HP Compaq Presario CQ56-103SG - Notebookcheck.net External Reviews
OFFTEK 1GB Replacement Memory RAM Upgrade for HP-Compaq Presario Notebook CQ56-170SC (DDR2-6400) Laptop Memory at Amazon.com
HP Compaq Presario CQ56-110US Disassembly - iFixit Repair Guide
623909-001 Daax3mb16a1 For Compaq Presario Cq56 For Hp G56 Motherboard Cpu Ddr2 Tested Good | Lazada PH
For HP Compaq CQ42 CQ56 laptop motherboard 623915 001 Mianboard DA0AX2MB6E1 Socket S1 DDR3 free cpu!|Laptop Motherboard| - AliExpress
Upgrading the CPU on a Compaq Presario CQ56 Laptop - YouTube
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