Flip it over,.. there should be something etched onto the PCB to help you.
Otherwise with the thing in front of you,.. USB towards you and card slot away,...
Link A-B : its a PhoenixCode:A-B-C 1 2 3
Link B-C : its a smart mouse
Link 1-2 : its at 6MHz
Link 2-3 : its at 3.57 MHz
Hope that helps,..
Jim.....
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