1GB DDR SO-DIMM Upgrade for Acer Aspire Notebooks 5003WLMI 5020 5033WXMi 5040 9100 Notebook PC2700 Computer Memory (RAM) 1GB DDR SO-DIMM Upgrade for Acer Aspire Notebooks 5003WLMI 5020 5033WXMi 5040 9100 Notebook PC2700 Computer Memory (RAM)