Quote:
Originally Posted by modrobert
Thanks for the info. Looks like there are only two wires that actually changes pins, and some pins are left open.
...Could it be early version of cyclone?
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Yes. It routes the internal drive's read data to the external drive's write data pin, and drive select 3 to the external drive's write enable. Then both drives are selected at the same time so data is read from the internal drive and written to the external drive at the same time.