He began his ritual, digging through archived threads from 2013. He found a clue from a user named "lasvegaswireman" , who had once mapped the pins for an Envy case swap.
The board is engineered for reliability with Intel's 2nd and 3rd Generation Core i3, i5, and i7 processors. ipmmb-fm motherboard manual
While some documentation suggests a 16GB limit, the chipset technically supports up to 32GB (4x 8GB modules). If your 1600 MHz RAM is stuck at 1333 MHz, it is likely a firmware limitation within the HP BIOS that cannot be easily bypassed. He began his ritual, digging through archived threads