HP DDS3 DAT and DEC Tapes

Patrik Schindler poc at pocnet.net
Sat Dec 26 06:03:28 CST 2020

Hello Folks,

I’m having fun time to erase used DDS tapes for reuse. I’ve been collecting those over years. Recently, I discovered that with DEC brand tapes, the drive reports the cartridges to be write protected, eventhough the slider is closed which means, they’re supposed to be writable. I suspect there is a software write protect flag on them.

Any thoughs, hints, advices how to unlock these tapes for overwrite?

:wq! PoC

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