The (also known as "Formosa") is a proprietary motherboard manufactured by Pegatron for HP , specifically for the HP Envy Phoenix series like the H9-1228ef. Official manuals are no longer directly distributed by HP or Pegatron, but essential verified specifications and technical procedures are as follows: Core Specifications Form Factor: Micro-ATX (uATX) at 24.4 cm x 24.4 cm. Chipset: Intel Z75 .
Search for your specific PC model (e.g., "Envy Phoenix h9-1300") to find the Upgrading and Servicing Guide , which includes layout diagrams. Support Assistant: HP Support Assistant ipmmbfm motherboard manual verified
We analyzed forum posts from Reddit, Tom’s Hardware, and Dell Community. Here are the top 3 errors from using a non-verified manual for the IPMMBFM: The (also known as "Formosa") is a proprietary