Pegatron 2AD5 is an OEM motherboard frequently found in HP desktop PCs like the HP Envy Phoenix
The code is not a model number for a whole computer. It is an FCC ID prefix for a specific piece of hardware. Specifically, 2AD5 usually refers to a Bluetooth 4.0 or 4.1 module (often a Broadcom or Realtek chip) soldered onto a laptop motherboard. pegatron 2ad5 manual