I Dont know why but when I set manual fan speed on my S7 B2 its not geting above 1.5th after setting fan back to auto its at 4.6th.
Just tried setting it to 70% for 5 min but still its strange isnt it?
Hardware Version 1.5.3.0
Kernel Version Linux 3.8.13 #22 SMP Tue Dec 2 15:26:11 CST 2014
File System Version Tue Sep 15 16:50:19 CST 2015
Cgminer Version 4.8.0
Uptime 32
Load Average 1.18, 0.85, 0.73