OK so we have a date, 25/08/2015, but what motherboard version is that? V1.0? v2.0? v3_1? . . .
. . . It looks like they have v2.0 motherboard which would explain why you are not seeing the v3_1 issues.
Good news, I guess, as that seems to support the theory that this problem is confined to the v3_1 boxes
No such issue for V3_0 board.