OS/2, eCS & ArcaOS - Technical > Hardware

CH340 serial

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Neil Waldhauer:
The usbcom driver supports a lot of devices already. What is your output of this.

Device=C:\os2\boot\usbcom.sys /v

If nothing is found, maybe you need a different USB serial port converter?

Also, even the newest desktop computers still seem to have serial ports.

Igor:

--- Quote from: Martin Iturbide on December 24, 2024, 03:08:05 pm ---Hello

Just in case I had a little experience with this device: Prolifc PL2303 USB 2.0 to COM - 067b:2303
https://www.os2world.com/wiki/index.php?title=Prolifc_PL2303_USB_2.0_to_COM

I used USBCOM.SYS.
My testing was very light, I no longer have any serial device to try.

Regards

--- End quote ---
I use Prolifc PL2303 USB 2.0 to COM and it works (partially). But I can’t connect this to Arduino.
Perhaps he gives out 5 volt COM and this solves the problem.
I will check it soon.

I ordered ProLIFC PL2303 converter to com-TTL and expect delivery. Perhaps this will work.

However, CН340 is much more common and affordable.

Igor:

--- Quote from: Neil Waldhauer on December 24, 2024, 03:37:55 pm ---The usbcom driver supports a lot of devices already. What is your output of this.

Device=C:\os2\boot\usbcom.sys /v

If nothing is found, maybe you need a different USB serial port converter?

Also, even the newest desktop computers still seem to have serial ports.

--- End quote ---

Of course, the USBCOM.Sys driver is installed and launched.
And, alas, on my motherboard there is not even a detachment for serial port. And there is no chip either.
I have already ordered another converter of the outdated model. If nothing can be done, I will try with him.

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