Hello Nate!
The K3 Utility version that should be used is one that explicitly
supports the "b" files which are used for K3 FP boards that use a
different LCD controller than we have used in the past. In the case of
a Windows PC, that is version 1.13.4.15 available on the website. Mac
and Linux Utilities to support this version will be released soon.
Meanwhile, if you choose to load the K3 Beta and not use a Windows PC to
do it, it seems you will need to delete the "b" file from your directory
after you unzip it.
Thank you for your report on this behavior!
73,
Lyle KK7P
Checking on the available K3 firmware this morning, I saw that a Beta
4.67 is available. After downloading and attempting the update, the MCU
load failed (first time for me). After a few more tries and failures I
successfully loaded MCU 4.61, FPF 1.15, and DSP1 2.81 so I knew the K3
was fine. :-)
Watching the K3 Utility dialog boxes I saw that file 'hmcu0467b.hex' was
being loaded. Looking in the directory, I saw that file 'hmcu0467.hex'
also was present and 17 minutes newer. "Hmmmm", sez I, so after
deleting 'hmcu0467b.hex', MCU 4.67, FPF 1.15, and DSP1 2.81 firmware
files all loaded correctly.
I am using the "Elecraft K3 Utility for Linux Version 1.12.9.22", if
that matters.
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