8 inch floppies, decaying

Adrian Graham binarydinosaurs at gmail.com
Tue Jul 10 18:12:30 CDT 2018

Hi folks,

Tonight I got my imaging PC to successfully read some of the 8” disks from my CPT8500 word processor using one of its own Tandon TM848-01 drives, sadly it seems the boot disk is toast but I’ve been able to dump some of the data disks as well as the Utilities. Since I have a box of unused disks I thought I’d try writing back an image but got a lot of CRC errors. Closer inspection of the disk itself shows this - http://www.binarydinosaurs.co.uk/8inchFloppyImaging-7.jpg <http://www.binarydinosaurs.co.uk/8inchFloppyImaging-7.jpg> - which looks like damp.

Is it actually the magnetic coating breaking down? Dare I attempt cleaning?

Just for another test I tried reading some of my DEC diagnostic floppies since I hoped they were RX01 format, but they error constantly so they must be RX02s.

Still, it was good to see the drive spring into life :)

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