All-in-One Lenovo IdeaCentre A310 Intel PCB: MP-00009646-002 REV: 03 motherboard: mp-00008528-004 ver.05 CPU: i3-370m PCH: BD82HM55
https://vinafix.com/threads/a320-ihm55s.20833/ A320 - IHM55S Schematic SAMUI 2.0 SAMUI_2.0_COVER PAGE&INDEX PCB:MP-00009646-002 VER:03 A320 - IHM55S vinafix.com
THIS BIOS DIFFRENT YOUR BIOS BOARD ON/OFF ON/OFF STATUS.... BUT MY BIOS BOARD POWER ON OK BUT NO DISPLAY...........