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K3 Window 8.1 serial port issue

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CX7TT

K3 Window 8.1 serial port issue

Hola,

Trying to update my K3 software prior to setting up my remote capability.

New computer with OS Win 8.1....I plugged the Prolific cable between
RS232 on K2 and USB port on PC. Found the port via control panel,
device manager and the PC recognizes that it is a Prolific device and
even updated the driver software. However, it states, "This device
cannot start" (Code 10) and "A device which does not exist was specified".

I disabled and then enabled but still no luck. Any ideas?

Gracias
Tom
HP/CX7TT
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Don Wilhelm-4

Re: K3 Window 8.1 serial port issue

Tom,

If you can, try using an adapter with the FTDI chipset. Many of the
Prolific USB to serial adapters do not work well, particularly at the
lower 4800 baud rate of the K2 (the K3 is usually OK). After having
some problems with the Prolific chipset adapters that Elecraft began
selling, they had switched to adapters with the FTDI chipset.

If you are not using one of the early USB to serial adapters sold by
Elecraft, take note of the information below:
Be aware that there were several counterfeit Prolific chipsets (and FTDI
too), and the manufacturer of the real ones put detection code in the
drivers so the counterfeit ones would not work. I don't know if that is
your problem or not, but the error you stated indicates a problem with
the adapter and the computer - likely driver issues.

73,
Don W3FPR

On 4/17/2015 8:19 PM, [hidden email] wrote:

> Hola,
>
> Trying to update my K3 software prior to setting up my remote capability.
>
> New computer with OS Win 8.1....I plugged the Prolific cable between
> RS232 on K2 and USB port on PC. Found the port via control panel,
> device manager and the PC recognizes that it is a Prolific device and
> even updated the driver software. However, it states, "This device
> cannot start" (Code 10) and "A device which does not exist was specified".
>
> I disabled and then enabled but still no luck. Any ideas?
>
> Gracias
> Tom
> HP/CX7TT
>

joemoffatt

Re: K3 Window 8.1 serial port issue

This is almost definitely a driver issue. Don is correct... try FTDI, and beyond that, try virtually every driver you can find for Windows 8 USB to serial. You never know which one might work, but I have found SEVERAL counterfeit pieces of hardware out there that you wouldn't expect.

It may or may not be counterfeit, but there are tons of sources for bad pieces of hardware. Seems to really be an issue with Windows 8 moreso than 7, but drivers work a little differently in 8.

Joe

AB5OR

From: Elecraft [mailto:[hidden email]] On Behalf Of Don Wilhelm
Sent: Saturday, April 18, 2015 3:13 PM
To: [hidden email]; [hidden email]
Subject: Re: [Elecraft] K3 Window 8.1 serial port issue

Tom,

If you can, try using an adapter with the FTDI chipset. Many of the
Prolific USB to serial adapters do not work well, particularly at the
lower 4800 baud rate of the K2 (the K3 is usually OK). After having
some problems with the Prolific chipset adapters that Elecraft began
selling, they had switched to adapters with the FTDI chipset.

If you are not using one of the early USB to serial adapters sold by
Elecraft, take note of the information below:
Be aware that there were several counterfeit Prolific chipsets (and FTDI
too), and the manufacturer of the real ones put detection code in the
drivers so the counterfeit ones would not work. I don't know if that is
your problem or not, but the error you stated indicates a problem with
the adapter and the computer - likely driver issues.

73,
Don W3FPR

On 4/17/2015 8:19 PM, [hidden email]<mailto:[hidden email]> wrote:

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