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 "IPMMB-FM Formosa Specifications" to see component support. Product Service Guide: ipmmbfm motherboard manual verified
: Features the LGA 1155 socket, supporting 2nd and 3rd Generation Intel Core i3/i5/i7 processors (e.g., i7-3770). IPMMB-FM The (also known as "Formosa") is a
| Pin | Signal | Pin | Signal | |-----|---------------|-----|---------------| | 1 | HDD_LED (+) | 2 | PWR_LED (+) | | 3 | HDD_LED (-) | 4 | PWR_LED (-) | | 5 | RESET_SW | 6 | PWR_SW | | 7 | RESET_GND | 8 | PWR_GND | | 9 | N/C (unused) | 10 | N/C | ipmmbfm motherboard manual verified