Why is problem? Only put M4 rods in standard socket mounting system and all working. 6-32 can pass but to thight m3 rodns can pass easy but from easiest way is M4 rods. No need backplate because front and back of ILM hold with screw
Something strange because has cold bug with colder temp need to re-bench with proper memory settings. Probaly read temp is good because this CPU I expect 6400+ for 7zip.