Chris Harer Posts: 8 May 2, 2018 at 9:24 am #1771941 I bought both graphs and was wondering what Lakemaster chips do I need? There both the mini SD cards… I’m new to this and with it being an older unit, I’m not sure what will work.. Tia. Attachments:BEF19288-36D6-4ECE-916F-13C228916CB0.pngFE8E1070-4DA4-4E66-A7B4-84E64ADDE0D6.png