The MS-7869 Ver 1.0 is an OEM Micro-ATX motherboard designed for Acer Aspire ATC-605 and XC-605 systems, supporting LGA 1150 CPUs and up to 16GB of DDR3 RAM . Key details for upgrading or transferring to a new case include utilizing the specific front-panel header pinout and checking for BIOS updates on the Acer support site . For more details, visit Acer Community . MS 7869 Ver. 1.0 Motherboard Manual Aspire ATC-605-UB11
Key limitations documented in the manual’s BIOS section: Ms-7869 Ver 1.0 Motherboard Manual
The BIOS default fan curve is set to "Full On" for debug. Fix: The MS-7869 Ver 1