[Info-vax] FTDI driver for windows

[John E. Malmberg]

On 6/18/2019 12:20 PM, VAXman- at SendSpamHere.ORG wrote:
> In article <qeapc2$ram$1 at panix2.panix.com>, kludge at panix.com (Scott Dorsey) writes:
>> John E. Malmberg <wb8tyw at qsl.net_work> wrote:
>>> On 6/18/2019 7:57 AM, VAXman- at SendSpamHere.ORG wrote:
>>> <snip>
>>>> The problem is in WEENDOZE.  The USB is an FTDI chip.  When I plug in the
>>>> altimeter, WEENDOZE proclaims a new device.  Then, WEENDOZE claims that
>>>> it's gone.  Then, it proclaims a new device.  Lather, rinse, repeat.  All
>>>> of this is before ever launching the software to download any data.
>>
>> This is the standard behaviour of a counterfeit FTDI device.  The windows
>> driver is written by FTDI and will deliberately shut down counterfeits.
> 
> If this is the case, it should display a message that it interprets the
> chip to be feign.

As far as I know, I have legitimate FTDI chips, I paid a higher price to 
get the adapters.

But unless someone is buying directly from a factory, it can be hard to 
avoid counterfeit devices of all types.  The fake devices look just like 
the real ones.

>> You may blame Windows for this, but it's doing exactly what it was designed
>> to do.
> 
> It certainly looks to be a real FTDI chip.  I don't see why this manufacturer
> would risk its reputation by building an expensive device with fake chipsets.
> However, after this discussion, I've queried the chief designer of the device
> to ask if this scenario is/was possible.
> 
> https://m.facebook.com/story.php?story_fbid=10215186897728912&id=1327033637

You may want to see if that company can supply you the specific FTDI 
driver that they test with the version of Windows you are running.

Regards,
-John
wb8tyw at qsl.net_work