I have been selling SCSI to Floppy controllers on epay over the last
couple of years. I think I have one left. $10 shipped USA, sealed bag.
It was originally set up for 5 1/4 but I am sure useful with 3 1/2s.
They were going in the BIIN conputer which was a joint project of
intel and Siemens in the late 1980s. I got a bunch when we purchased
their left over inventory in the early 1990s.
Based on the NCR chip.
Here is a reference to my last one I sold on ebay.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=1247&item=87…
Sale number 8758879883
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Paxton Hoag
Astoria, OR
USA