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MS-7869 Ver 1.0 is an OEM motherboard manufactured by MSI for Acer Aspire

Common Troubleshooting (from the 2021 Manual FAQ)

The last section of the 2021 edition contains user-submitted repairs. Here are the top three:

C. USB 3.0 Header (JUSB3)

The board has one internal USB 3.0 header (20-pin, blue). Be gentle – the pins on Ver 1.0 boards are known to bend easily.

And Kenji had been hunting it for three years.

The story of the MS7869 VER 10 wasn't just about a motherboard anymore. It was about a manual, written years ago, that traveled through time to save the machine it was written for. In 2021, the ghost finally had a home.

Warning: The 2021 manual explicitly states: "Updating BIOS on MS7869 ver 10 requires the original 65W APU installed. Bristol Ridge CPUs are NOT supported."