HEWLETT PACKARD HP G61-320US 15.6-Inch Black/Silver Laptop - Up to 4.25 Hours of Battery Life (Windows 7 Home Premium) - Walmart.com
HP G61-430SB Teardown - iFixit
8GB (4GBx2) Team High Performance Memory RAM Upgrade For HP - Compaq HP G61-420EB G61-420ED G61- 420EF G61-420SI Laptop. The Memory Kit comes with Life Time Warranty. at Amazon.com
2GB HP Pavilion G Series G50 G56 G60 G61 G70 G71 DDR2 Laptop/Notebook RAM Memory | eBay
A-Tech 4GB KIT (2 x 2GB) for HP Compaq G61 Series G61-453EE G61-454EE G61-465SL G61-511WM G61-631NR G61-632NR G61 G61-100EA G61-100SA G61-101TU. SO-DIMM DDR2 Non-ECC PC2-6400 800MHz RAM Memory at Amazon.com