Because the IPMSB-H61 is an OEM board, it often behaves differently than a retail motherboard you might buy off the shelf from ASUS or MSI.
Retail Pegatron IPMSB-H61 boards are rare. You may not have any official BIOS updates. Check in Windows ( msinfo32 ). If it’s very old (e.g., 2011), you might find updates on third-party driver sites – but this is risky. pegatron ipmsb-h61 bios update
Acer used to host files on their public FTP. Some archives still exist via the Wayback Machine. Because the IPMSB-H61 is an OEM board, it