[WP-34S] Cable and flashing options for Mac users

[Dave Frederickson]

(01-20-2015 07:58 PM)John Galt Wrote:  It bears what appear to be authentic Prolific markings, Prolific's supplied OS X driver works perfectly, the signal levels measured by an oscilloscope are correct, the waveforms are perfectly square, so despite the fact it only cost $1.79 including shipping from China, I have no reason to believe it's a fake.

It's well known that counterfeit chips exist as dewster discovered last year. See Post #55 in this thread. In Windows, Device Manager can be used to inspect the VID/PID hardware ID's to identify the chip manufacturer.