Read post 2 and 3 in this thread again.
Your log shows you burning at 4x and it took the correct amount of time for that speed.
Alright, maybe the time doesnt differ that much butthe first like three minutes was at below 1x. The burner on this laptop said max8x I think so I chose 4x. It was even idle a couple of times during those 3min (down to 0x). Do you see any reason for that? And Ive been looking for the firmware update to this drive but I cant find it. Maybe thats one possible solution?