Phil -

Sounds like something may be hosed in your Win/XP SP3 or the old desktop 
itself. I'm running the same Win/XP SP3 (on a Mac, under VMware Fusion) and the 
Elecraft-supplied USB-Serial cable; works very well.

Jim / W6JHB



On   Monday, Feb 17, 2014, at  Monday, 4:30 AM, Phil Irons wrote:

> My problem has not been with the firmware, but rather with the
> computer/amplifier interface.
> 
> I have an old desktop computer running XP Pro SP3.  I installed the
> appropriate software from Elecraft per the instructions in the User Manual.
> However, when I tried to connect the amp to the computer using an FTDI
> USB-serial interface, my computer crashed--every time.  Not only that, but
> with the interface plugged in, it wouldn't reboot, it just kept cycling
> through the restart process.
> 
> I resolved the problem by doing what I should have done in the first
> place--moved the amp closer to the computer and used a straight
> serial-serial cable.  In so doing, I was reminded of the weight of the
> amplifier!
> 
> The Elecraft software indicated that the firmware update was successful;
> however, as I am currently antenna-less, courtesy Mother Nature, I'll have
> to wait for a while to see the results.
> 
> 73,
> 
> Phil/VE1BVD
> 
> 
> On Sun, Feb 16, 2014 at 1:03 PM, Phil & Debbie Salas <dpsa...@tx.rr.com>wrote:
> 
>> And I'll add my input.  Been using the latest firmware and it has worked
>> perfectly.  Been too busy operating to say much.  No false tunes, and the
>> KAT500 tracking of the K3 is outstanding.
>> 
>> Phil - AD5X
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> 
> 
> 
> -- 
> Phil & Anne Irons
> Sydney, Nova Scotia
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