QNX 2.21 boot disk

We are currently running QNX 2.21 and a Bailey program on a Dell 466 computer. The harddrive has died and out boot disk must be corrupt. Can any one help with this problem? We need a boot disk for QNX 2.21.

I still do a lot of work with QNX 2.21. You can contact me at www.schoenbrun.com/mba