In uk.d-i-y, Christian McArdle wrote:
Do you need to do something softwarewise to get it to stay at 80C?

No. The software is currently set for a maximum of 88C. Unfortunately, the
little peg in the knob physically prevents you turning the thermostat that
high. The peg is useless.

Aha! Have we at last found a use for a Dremel for you - to grind the
little peg off the knob (giggles)?