AFAIK this is not possible without some kernel driver trickery.
Can you tell us why you need this?
--PA

"Yandos" wrote:
> Hello, is there a possibility to set dvdram (or any other removable
> drive) as non-removable? Where does windowsxp store such info and is it
> possible to override it?
>
> Thank you in advance,
> Y.
>