http://elecraft.85.s1.nabble.com/K3-in-a-cw-pileup-needs-work-tp4523884p4526780.html
DO NOT use microHAM Router to upload firmware to the K3.
It IS NOT SUPPORTED. Find a computer with a hardware
serial port or a dumb external USB to serial converter.
... Joe, W4TV
> -----Original Message-----
> From:
[hidden email]
> [mailto:
[hidden email]] On Behalf Of W4CCS
> Sent: Saturday, February 06, 2010 11:15 AM
> To:
[hidden email]
> Subject: [Elecraft] Firmware upload problem
>
>
> Attempted to upload new firmware to the K3 this morning and
> got the "MCU
> LD" error. Now the K3 is basically dumb. In the manual, it says to
> unplug the power for 5 seconds, Hold the power button for
> approximately
> 10 seconds and then re-load the firmware.
>
> My problem is that I can no longer get the computer to talk to the K3
> and therefore cannot attempt a re-load.
>
> I'm using the Microham router software to talk to the K3 and this has
> been working great until now.
>
> Question, does the K3 keep the old settings (38400, 8, N, 1)
> or does it
> resort back to the default settings which are ??
>
> I also tried a direct cable (straight and null modem) and
> cannot get any
> communication to occur.
>
>
> I'm stuck until I get the K3 talking to the computer again..
>
> HELP..!!
>
> de W4CCS
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