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

[SidShusterman]

Dick,
This may not be the case. I struggled for 2 months to get my USB to 
serial cable to work correctly. I bought the Elecraft cable, downloaded 
the Prolific driver and I could not get,in my case, LP Pan to function 
properly.  I fixed it yesterday, after some local help (Tnx N3EAQ) and 
an email to N8LP, by going to a straight serial cable. LP Pan and 
PowerSDR are now working simultaneously with 4 other programs. The 
telling event was when we looked at the COM ports every time I unplugged 
and reconnected the USB cable the other ports though they were busy. 
N8LP believes it is a conflict with the chip set in some computers. I 
also installed 2 GB of ram and an upscale sound card thinking my 2.54 
GHz CPU was having issues. I have a Foxconn 661MX motherboard.
73,
Sid K3SX

Dick Dievendorff wrote:
> 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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