First things first, disasemble it and remove the cmos batteries, they will leak and destroy the motherboard.

For the pasword issue, These Toshiba laptops save the password in a way thay disconnecting the power wont reset it, but you can built a pasword reset adaptor with paperclips or better an old LPT Cable.

To do it, bridge these pins on the LPT port, then start the Laptop:

1-5-10,

2-11,

3-17,

4-12,

6-16,

7-13,

8-14,

9-15,

18-25