Trying to recover 67's prerecorded magnetic cards
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08-22-2021, 02:31 AM
Post: #21
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RE: Trying to recover 67's prerecorded magnetic cards
(08-16-2021 05:34 PM)aurelio Wrote:HDs have a servo platter/surface with timing and sector information magnetically written on them so degaussing destroys that and the disk is useless. These carts are more like a normal mag tape (or cassette tape) test has no pre-recorded info on them that can;t be put on by the normal device used to read/write from the medium. The servo info can’t be accessed by the normal disk heads.-kby(08-16-2021 05:18 PM)teenix Wrote: Maybe the magnetic strip has deteriorated over time and data can't be stored reliably anymore. I don't know if these can be refreshed by deguassing or not.I don't think so, if it works as for the HD I read that "a degaussed drive is inoperable in any system. The magnetic erasure rearranges the magnetic field to such an extent that standard read heads are unable to find a magnetic reference point for tracking.", so that "a degaussed disk cannot be used after degaussing". |
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