It's been a few years since I've used my 8201a / W8.1 tablet link. This is the converter I use - Breaks out the stuff you need, and
otherwise works flawlessly - It'll run 230.4k with TeraTerm / W8.1; Not with a K85 clone, of course... One other caveat - Mine is a few years old now; one never knows when a vendor's Chinese suppliers will decide to extract the value from the product... https://www.adafruit.com/products/284
