Media for 3C35100 CoreBuilder 3500 Administer password recovery

I have recently purchased this used switch, but i seem that the previus owner has set a non-default Aminister password.

I do have access to the swithc using the "Write" user, but not all the Administers rights.

I have tryed, the default acounts and the backdoor for the older fimware versions (this switch is at v3.05)

It seems that there is a boot flag register, has anyone any information about this, and is it possible to recover the password that way..?

Or is is there a way to restore factory defaults, perhaps using the push button on the supervisor module..

Any help would be appresiated....

Best Regards

Johnny