1) If total videocards more than 6 - 7th card crashes: 0c, 1w, TDP 0% and freezing miner and MSI AB.
2) Monitoring not working.
13.0-13.1 Grin.
UPD: Win10, GTX1070 8GB, RAM 4+4GB, Virtual Memory >80GB. With BMiner 12.2 works fine 8 cards.