This is presumably that patched 3.06 because it's the one Matthias installed on the Thunder.frank.lukas wrote: Fri Dec 08, 2023 7:29 am You need a spezial patched TOS 3.06 from the Thunder Team to boot from the IDE device ...!
I use a SCSI drive to boot and sorted the HDDriver so I can boot first from my IDE device.
You can boot HDDriver from Floppy and sorted it so the IDE device is first ...
I do have a BlueSCSI on the SCSI bus, so maybe I can persuade HDDriver to boot from that, and just use the CF card for storage.