[Elecraft] K3: Firmware upgrade harder than construction...Help

[Dick Dievendorff]

Jay, there's a K3 Utility Help page dedicated to troubleshooting USB to
Serial adapter issues.

My guess is that you're not finding the right COM port number for the USB to
Serial Adapter. 

There's a separate troubleshooting Help page, "Finding the right COM port"
on that topic.

73 de Dick, K6KR


-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Iain MacDonnell -
N6ML
Sent: Monday, April 06, 2009 1:11 PM
To: Jay
Cc: elecraft at mailman.qth.net
Subject: Re: [Elecraft] K3: Firmware upgrade harder than construction...Help



Jay wrote:
> After 10 months I decided to upgrade my firmware from the original 2.16 
> since I just got the KXV3 and KRX3...Frustration!
> Have a USB 2.0 to RS232 Serial adapter and have tried it in all my USB 
> plugs and in Com ports 1, 2, and 4 which are shown as choices on the K3 
> Utility.....The computer tells me my driver is correct, I've matched 
> 9600 baud with the K3 and all I ever get is a "K3 not responding" on Com 
> Ports 1 and 2, and "Another app connected to" Com port 4.  I'd just 
> order the CD, but that would not solve my communication from the 
> computer to the K3.  What should I try next?

It's unlikely to be COM1 or 2 - those are usually [reserved for]
built-in serial ports.

Right-click "My Computer", choose "Manage", then in the window that
opens, click on "Device Manager", then expand the "Ports" sub-tree.
You should see currently available serial ports there. See if one of
them comes and goes when you plug / unplug the USB adapter. If so, you
know which one you would be choosing in K3 Utility. If not, you probably
have a driver (or hardware) problem.

     ~Iain / N6ML

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