How to swap Com 1 and Com 2 assignments?

I built both systems win7/32 using the same motherboard intel model. The boards have two com ports, a db9 and a slider to pins. My problem is that the com port numbers are reversed between the panels, for example the connector db9 on one map is com 1 com 2, Member of the Board. Intel tells me that it is a problem of Microsoft. I tried exchanging com 1 and com 2 in Device Manager, but the Exchange is not survive a reboot. How can I do this?

I think I finally got in the Device Manager. The trick seems to be to do with a reboot between the two stadiums. Move the Com2 to an any other address/IRQ, restart, move Com1 to the old address to Com2 and restart. After the reboot, Com2 can be moved to the old address for Com1, and then exchanged assignments will stick without conflict.

Thanks for your suggestions, Tom, unfortunately you're much smarter than my BIOS which is a global toggle ports.

Tags: Windows

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