OFFTEK 512MB Replacement Memory RAM Upgrade for Toshiba Satellite A100-543 (DDR2-5300) Laptop Memory at Amazon.com
CMS 2GB (1X2GB) DDR2 5300 667MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Toshiba® Satellite A100 (Psaa8A-1Hq03R), A100 (Psaa8A-05R010) - A38 at Amazon.com
2GB (1GBx2) Team High Performance Memory RAM Upgrade For Toshiba Satellite A100-570 A100-596 A10 0-649 A100-669 Laptop. The Memory Kit comes with Life Time Warranty. at Amazon.com