[chirp_users] "Download from radio" does not bring up clone window

Mark Smythe
Mon Jan 11 14:22:02 PST 2021

Jim,  I'll give it a try.  In the process of returning the Valley FTDI
cable now and nice to know I won't have to go the RT route even though I
like them for my newer radios.  Just don't want to spend that much on an
older radio.


On Mon, Jan 11, 2021 at 1:06 PM Jim Unroe <rock.unroe at gmail.com> wrote:

> On Mon, Jan 11, 2021 at 3:06 PM Mark Smythe <mark.smythe at gmail.com> wrote:
> >
> > Once I deleted old Chirp and reinstalled run as administrator I finally
> got the window to select vendor and radio (Icom 2100H) after selecting
> "download from radio".  The port is defaulted to COM6 which is verified to
> be the one selected in the FTDI driver.  However when I click OK, I get "An
> error has occurred - Failed to communicate with the radio.  Unexpected
> response from radio".  It doesn't matter if I run Chirp normally or as
> administrator.. same result.
> >
> > I read the beginners guide.  The cable TRS plug is firmly seated in the
> speaker jack, there is no antenna connected and I'm tuned to a clear
> frequency.  I have tried with squelch both open and closed and with volume
> settings from 0 - 100%.
> >
> > At the bottom of Bug #1113 for a similar issue with Icom 2100H, I read:
> "Some Icom radios are known to deny cooperation with FTDI cables (even
> genuine ones). Please try a cable with a genuine Prolific chip.
> > Unfortunately cables with fake "Prolific" chips make the vast majority
> of cables on the market; genuine Prolific cables are on the more expensive
> side."
> >
> > Can anyone confirm this to be the case?  If so, who makes "genuine
> Prolific cables"?
> >
> > Mark WA7URJ
> >
> Programming cables with an unauthorized copy of a Prolific chip will
> work, you just have to download, install and select the old Prolific
> v3.2.0.0 device driver. This is exactly what I have been doing for
> over 8 years. Since the majority of programming cables being supplied
> with a radio being submitted for inclusion with CHIRP have been of the
> unauthorized copy variety, I just keep the older device driver
> installed and selected on the Windows computer that I program radios
> with.
> I do have one rare programming cable sporting a genuine Prolific
> USB-to-Serial chip. Back when I bought it, I used it to check all of
> the Prolific device drivers that I could find in order to determine
> which was the last available Prolific driver before they became
> cripled. That turned out to be v3.3.2.105. It works great with CHIRP
> but is incompatible with some OEM programming software. Falling back
> to v3.2.0.0 was necessary to work with both.
> Page with link to V3.2.0.0 driver and instructions for installing and
> selecting: https://www.miklor.com/COM/UV_Drivers.php
> Jim KC9HI
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