1.0.56 是不可以直接(play wave file) 上2.0 的. 需要寄回給代理商. 首先將 USB receiver IC firmware 升級. 之後. 再升級 FPGA firmware (可以我們做 or play firmware WAV file 都得) .
But DO NOT upgrade firmware 2.0 yourself !!! If you upgrade without upgrading the USB receiver IC, 會變磚頭.......