Samsung HD161HJ can't read ROM

[pclab]

Hi

I have already read ROM and Initialized headmap in RAM on 2 of these drives.
Now I wanted to do it again, I'm always getting RAM error (cannot read 0 of 2 bits, something like this) and ROM can't be read.

Why is that?
Any hints?
Thanks

[Amarbir[CDR-Labs]]

Source of the post Hi

I have already read ROM and Initialized headmap in RAM on 2 of these drives.
Now I wanted to do it again, I'm always getting RAM error (cannot read 0 of 2 bits, something like this) and ROM can't be read.

Why is that?
Any hints?
Thanks

pclab ,
these are same drives or a new case