Micropolis 1525 stuck heads

Jos Dreesen jos.dreesen at greenmail.ch
Wed Sep 22 06:54:44 CDT 2021

On 22.09.21 13:46, Jules Richardson via cctalk wrote:
> On 9/20/21 1:13 AM, Chris Zach via cctalk wrote:
>> Running it through the MFM tool got all but 200 or so sectors on the first pass, most errors were on head 3 but tapered off after cyl 500. Seems like a normal copy of Accent, no special information so it might not be worth taking the world apart to get it working.
> What's this "MFM tool" of which you speak? Something specific to the PERQ world? I've got various ST506/412-type drives formatted against various controllers in various systems that might benefit from a snapshot.

David Gesswein's MFM-reader   :  https://www.pdp8online.com/mfm/mfm.shtml

More information about the cctalk mailing list