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Author Topic: Serial Port Shenanigans - ArcaOS 5.1.1 on a Lenovo M920t  (Read 59904 times)

Dave Yeo

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Re: Serial Port Shenanigans - ArcaOS 5.1.1 on a Lenovo M920t
« Reply #15 on: March 28, 2026, 02:22:02 am »
Try adding /MAXCPU=1 to the PSD=ACPI.PSD in your config.sys. This will turn off SMP and should fix the issue if it is caused by SMP. You will lose some performance but for what you are doing, it shouldn't matter.
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