At least media The system knew how to boot from was easy enough to brute force read. The memory of reverse engineering the proprietary backup tape format that the proprietary tape backup restore software refused to do anything with because of some mild corruption, on a system that had no inbuilt support for tape or even the SCSI controller is in permanent storage. Where did I just leave my keys? No idea. I think there's a bug in my LRU caching wetware.