Ipmmbfm Motherboard Manual — Verified ((link))

The table above aggregates information from the HP product specifications page and the official user manual.

The IPMMB-FM motherboard supports a variety of LGA 1155 processors. While many HP systems shipped with Sandy Bridge (2nd Gen), a BIOS update may be required to utilize Ivy Bridge (3rd Gen) processors properly. Generally supports CPUs with a TDP of Top Suggested Upgrades: Intel Core i7-3770 ( Intel Core i7-2600 ( Intel Core i5-3570 ( ipmmbfm motherboard manual verified

Why? Because HP never calls it the IPMMBFM publicly. That is the for factory use. HP uses Spare Part Numbers instead. The table above aggregates information from the HP