Models that these upgrades will work for:

Toshiba Satellite A105-S101, Toshiba Satellite A105-S1013, Toshiba Satellite A105-S1014, Toshiba Satellite A105-S171, Toshiba Satellite A105-S2001, Toshiba Satellite A105-S2011, Toshiba Satellite A105-S2021, Toshiba Satellite A105-S2031, Toshiba Satellite A105-S2051, Toshiba Satellite A105-S2061, Toshiba Satellite A105-S2071, Toshiba Satellite A105-S2081, Toshiba Satellite A105-S2091, Toshiba Satellite A105-S2111, Toshiba Satellite A105-S271 - A105-S2711, Toshiba Satellite A105-S2712, Toshiba Satellite A105-S2713, Toshiba Satellite A105-S2716, Toshiba Satellite A105-S2717, Toshiba Satellite A105-S2719, Toshiba Satellite A105-S361 - A105-S3611, Toshiba Satellite A105-S4001, Toshiba Satellite A105-S4004, Toshiba Satellite A105-S4011, Toshiba Satellite A105-S4012, Toshiba Satellite A105-S4014, Toshiba Satellite A105-S4021, Toshiba Satellite A105-S4022, Toshiba Satellite A105-SP461, Toshiba Satellite A105-SP471