More facets of hard disk recovery (SA1000, RD53) and emulation

Jay Jaeger cube1 at charter.net
Sat Feb 2 07:43:16 CST 2019


Are these bare boards you would sell, or populated?  (I would guess the
former, yes?)

Price (for both the MFM reader and the SA1000 adapter)?

JRJ

On 2/1/2019 7:37 PM, David Gesswein via cctech wrote:
> 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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