Thanks Bob,
I looked at the USB-B connector again, unplugged from the WinKeyer and
plugged into the KPA1500, no virtual port was created.
Elecraft agrees with you about the USB chip being bad. They've sent me
an RSA so the amp will go back for service. I asked if we could do a
board swap but they have other mods to make to the RF deck and that they
will give the amp top priority repair status.
I used USBDeview, no PROLIFIC drivers and the three COM ports listed are
all using FTDI drivers. Nice utility, thanks.
73, Ed
On 4/3/2018 04:37, Bob Wilson, N6TV wrote:
Another possibility, especially if you are reaching behind the KPA1500
to insert the USB cable, and can't see the connectors well, is that
you've accidentally pushed the square USB-B plug it into the square
RJ-45 (Ethernet) connector instead of into the USB-B connector which
is just above it.
73,
Bob, N6TV
On Mon, Apr 2, 2018 at 8:55 PM, Bob Wilson, N6TV <[email protected]
<mailto:[email protected]>> wrote:
Ed,
Did you ever install any Prolific USB devices in your system?
Prolific Device Drivers are buggy and can often interfere with the
FTDI drivers. Prolific Device Drivers can be uninstalled.
You can use the free USBDeview facility to look for this:
https://www.nirsoft.net/utils/usb_devices_view.html
<https://www.nirsoft.net/utils/usb_devices_view.html>
Scroll down to the bottom of the page and click to download the
64-bit version, (direct link
https://www.nirsoft.net/utils/usbdeview-x64.zip
<https://www.nirsoft.net/utils/usbdeview-x64.zip>). Unzip to empty
directory, then run usbdeview.exe. Scroll way over to the right
and click on the column header "Device Mfg" to sort by that
column. Look for "Prolific" in the list. Right click and
uninstall. Then reboot and reconnect the USB cable to the KPA1500.
If it's still not recognized, you may have a bad USB port on your amp.
73,
Bob, N6TV
On Sun, Apr 1, 2018 at 11:43 AM, Ed Gilliland <[email protected]
<mailto:[email protected]>> wrote:
I received my KPA-1500 s/n 56 last Friday and have it on the
air. All is well with the exception of not being able to use
the KPA-1500 Utility. I do not get a notification sound from
the computer when I plug the USB cable into the computer. I've
reset the KPA-1500, tried different USB ports, no success.
Any suggestions appreciated.
Thanks, Ed W5TM
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