HD1 99c what does it mean

[Disvsros]

so i bought i7 4790k yesterday on speedfan my HD1 is 99c HD0 36c what does it mean
also what max rm that the simple fan of intel can get?
it might be the cpu fan? because i run it on 100% rpm

 

[mlga91]

HD1 Stands for hard drive 1, it means that one of your hard drives want to catch on fire, or maybe a sensor misread.