Comment on Testing DVD-R and CD-R 25 years later: optical disks from JapanparentComments−numpad01ySome of really old SCSI and (I think)IDE HDDs did have "WP" jumper positions. I don't know practically how it was implemented, though.
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Some of really old SCSI and (I think)IDE HDDs did have "WP" jumper positions. I don't know practically how it was implemented, though.