The per-board max temp of the particular asic chips is additional into the board stats part. No advice has actually been provided by IceRiver concerning Safe and sound limits, but their miner computer software seems to restrict clock raises above 95C, and may in fact throttle clocks higher than 110C. https://connerkeuma.wizzardsblog.com/27780937/the-ultimate-guide-to-iceriver-kas-ks3