[vcf-midatlantic] More facets of hard disk recovery (SA1000, RD53) and emulation

David Gesswein djg at pdp8online.com
Fri Feb 1 20:40:14 EST 2019


I have made a SA1000 adapter board for my MFM reader emulator. I did a
small run which seems to work so if you are interested email me to get
in on the next order. Prices may get a little better if I get enough
orders. 

http://www.pdp8online.com/mfm/
http://www.pdp8online.com/mfm/sa1000/sa1000_usage.shtml

I have used it for reading Shugart SA1004 and Quantum Q2040 drives.
Another has used it to replace drive in a TRS-80 Model II 8 Meg drive unit.

Some other items that may be of interest:

Dealing with stuck head problem with Quantum Q2040 drives
http://www.pdp8online.com/q2040/q2040.shtml

Using a DAC to pull the head servo to recover otherwise unreadable data
from DEC RD53 drive. Also procedure tried for Q2040 but data had been erased
so not successful.
http://www.pdp8online.com/mfm/head_servo/



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