再自問自答一下
剛在 dvbn 英文討論區找到 可以同時存在二張雙漢卡 ( dvb-s & dvb-t )

來源自
http://dvbn.happysat.org/viewtopic.php?t=21138
I got it working with two twinhan cards in Mytheatre. I used the BDA driver for the DVB-T card and the standard driver for the DVB-S card. Works perfect!