4GB 2X2GB Memory RAM for Toshiba Satellite A200-1E1 200pin 667MHz PC2-5300 DDR2 SO-DIMM Black Diamond Memory Module Upgrade - Newegg.com
A-Tech 4GB KIT (2 x 2GB) For Toshiba Toshiba Satellite A200-TR4 A200-TR6 A200-W00 A205 A205-S4017 A205-S4537 A205-S4557 A205-S4567 A205-S4577 A205-S457. SO-DIMM DDR2 NON-ECC PC2-5300 667MHz RAM Memory at Amazon.com
Toshiba Satellite A205 A200 disassembly guide
Specs Toshiba Satellite A200-1MD T5300 39.1 cm (15.4") Intel® Core™2 Duo 2 GB DDR2-SDRAM 160 GB Intel® GMA 950 Windows Vista Home Premium Notebooks (PSAE0E-04900LCZ)