Because this is an OEM (Original Equipment Manufacturer) board, finding a standalone manual can be difficult. Most documentation is bundled with the full desktop user guide available through Acer Support . Core Technical Specifications
The "upd" in your search stands for . Updating the BIOS (Basic Input/Output System) or UEFI firmware on an Acer OEM board is different from a retail board. Here is the safe, official method. acer b36h4ad motherboard manual upd
1x PCI Express x16 slot; additional M.2 slot specifically for WLAN (WiFi/Bluetooth) cards. Acer Community Front Panel Header Pinout (14-Pin Layout) Because this is an OEM (Original Equipment Manufacturer)
The Acer B36H4AD is a workhorse OEM board, but it’s not built for enthusiast tinkering. If you successfully performed the "upd" (update) using the official Acer Care Center or the manual flash tool, you have extended the life and security of your desktop. Updating the BIOS (Basic Input/Output System) or UEFI
2x or 4x DDR4 DIMM slots (model variant dependent), supporting up to 32GB or 64GB of RAM at speeds up to 2666 MHz (B360 limitation).
