Toshiba - Part Numbers
In your search for a replacement part for your early Toshiba laptop, the use of a Toshiba part number may help.
1. A price list that includes part numbers is here.
2. An accessory part list is here.
3. A comprehensive part list (including exploded view diagram) for various Toshiba laptops can be found on the Atlas CD-ROMs.
Specifically, you run the Atlas program that you have installed from the CD (to Windows XP), then navigate to the model, then choose the 'Parts Catalog' document.
An example is shown here.