According to the Website these are the initial stations.
http://greenbikeslc.org/
Central Station
Westgate Lofts (238 W 200 S)
Squatters
Key Bank (6 S Main)
Harmons, Exchange Place.
There are four other stations that currently say unavailable. I am assuming they just aren't set up yet, considering one of them is Gallivan.
Address says 312 N 400 W, but the arrow is placed at 12 N 400 W
90 S West Temple
225 S Main, (Gallivan)
349 S 200 E (Library/Public Safety)