Joe,

At some point the advice was to always load the Microham USB router at
boot time.  What was the reason for that?   Just to make sure that com
ports 8 and under weren't gobbled up?

73, Guy.

On Sat, Dec 25, 2010 at 11:12 PM, Joe Subich, W4TV <[email protected]> wrote:
>
>> The com ports of Microham devices can be made stable, even though it
>> uses USB to get to the box, by simply loading the USB Device router at
>> boot time.  So my COM 7 and COM 8 never change, because those numbers
>> have been set in software before any variable plug and play USB stuff
>> is run because of whatever USB stuff you have plugged in today.
>
> The COM ports of microHAM hardware are stable because they use serial
> numbered devices.   Windows will remember a COM assignment if the
> device contains a serial number because is associates the serial number
> and port assignment no matter which port that device uses.
>
> However, most commodity hardware lacks a serial number and all Windows
> can do is assign a new COM number to every new device/new port it sees.
> Like everything else, you get what you pay for ... if you are going to
> use the lowest cost commodity hardware, you will get commodity level
> performance.
>
> 73,
>
>   ... Joe, W4TV
>
>
>
> On 12/25/2010 10:22 PM, Guy Olinger K2AV wrote:
>>
>> One of the things that Win 7 does a lot is to rearrange com ports.
>> This may NOT be your trouble, but it certainly happens enough, and is
>> NOT a driver problem, and can still happen and keep you from talking
>> to your K3.
>>
>> After you plug in the USB cable for the USB/serial, bring up the
>> device manager (type device manager in the start menu search bar and
>> click on it in the list of candidate programs it generates).  Click on
>> Ports (COM&  LPT).  Look for the com port THAT WAS ASSIGNED BY
>> WINDOWS.  Start up the K3 utility, click the "Port" tab.  Set the COM
>> port to match what you just found in device manager.
>>
>> YOU MAY HAVE TO DO THIS EVERY TIME YOU START WINDOWS, particularly if
>> you have a lot of different USB devices you attach and remove from
>> time to time.  This is one of the reasons I bought a PCI-Ex Serial
>> Card.  It gets registered at bootup and is always in the list. You can
>> then right click on the device and select properties, click the Port
>> Settings tab, and then assign a low COM port number that it will
>> permanently retain.  I use COM1 and COM2, and have simply quit having
>> com port troubles of any kind.
>>
>> The com ports of Microham devices can be made stable, even though it
>> uses USB to get to the box, by simply loading the USB Device router at
>> boot time.  So my COM 7 and COM 8 never change, because those numbers
>> have been set in software before any variable plug and play USB stuff
>> is run because of whatever USB stuff you have plugged in today.
>>
>> I don't personally know of a way to fix USB com ports in the registry
>> or some such, without the device actually active.  I did go looking
>> for that information.  Anyone know how to do that?
>>
>> 73, Guy.
>>
>> On Sat, Dec 25, 2010 at 6:26 PM, Robert Redmon<[email protected]>  wrote:
>>>
>>> Dick,
>>>
>>> I tried the driver on the Elecraft download page first. It loaded okay
>>> and windows recognized the adapter when I connected it, but it could not
>>> communicate with the K3 using the K3 Utility (latest release version). I
>>> will download and try v1.30 of the prolific driver when their download
>>> site is up and working properly again....It isn't right now.
>>>
>>> Bob K5SM
>>>
>>> On 12/25/2010 5:06 PM, Dick Dievendorff wrote:
>>>>
>>>> I think I understand that issue. Sometimes the driver issues a data
>>>> available signal but when you subsequently ask for the data, none is
>>>> there.  My view is that this boundary condition could have been
>>>> handled a bit better by the MS VB common communications DLL, but my
>>>> view doesn't help the poor guy using That DLL.
>>>>
>>>> You make a good point, but I'm not sure Prolific is entirely at fault
>>>> here.
>>>>
>>>> Dick, K6KR
>>>>
>>>> On Dec 25, 2010, at 14:15, WILLIS COOKE<[email protected]
>>>> <mailto:[email protected]>>  wrote:
>>>>
>>>>> Dick, I had no difficulty with the Elecraft supplied K3 utilities,
>>>>> but could not control the K3 from N1MM and XMLog.  These logging
>>>>> programs were complied using Visual Basic and I was told that the
>>>>> Prolific driver and Visual Basic had a register conflict.  When I
>>>>> bought the PCIe RS-232 card it cured my problems and I have not
>>>>> worried with it since.  I got the latest Prolific drivers from the
>>>>> web site a little over a year ago, but have not updated them since I
>>>>> quit using the Elecraft supplied Prolific converter.
>>>>> Willis 'Cookie' Cooke
>>>>> K5EWJ
>>>>>
>>>>>
>>>>>
>>>>> ------------------------------------------------------------------------
>>>>> *From:* Dick Dievendorff<[email protected]<mailto:[email protected]>>
>>>>> *To:* WILLIS COOKE<[email protected]<mailto:[email protected]>>
>>>>> *Cc:* Robert Redmon<[email protected]<mailto:[email protected]>>;
>>>>> "[email protected]<mailto:[email protected]>"
>>>>> <[email protected]<mailto:[email protected]>>
>>>>> *Sent:* Sat, December 25, 2010 3:49:16 PM
>>>>> *Subject:* Re: [Elecraft] Windows 7 64bit and USB to RS232 adapter
>>>>>
>>>>> I use an older Prolific based KUSB with my Windows 7 64 bit system
>>>>> that I use to develop and test the various Elecraft Utilities.  I got
>>>>> my drivers from the Prolific web site listed in K3 Utility Help, see
>>>>> Troubleshooting USB to serial adapters section.
>>>>>
>>>>> Dick, K6KR
>>>>>
>>>>> On Dec 25, 2010, at 12:57, WILLIS COOKE<[email protected]
>>>>> <mailto:[email protected]>>  wrote:
>>>>>
>>>>>> Bob, the Prolific converters do not work well with W7.  I have been
>>>>>
>>>>> using W7
>>>>>>
>>>>>> with my K3 for over a year with a PCIe card RS-232 port.  It worked
>>>>>
>>>>> the first
>>>>>>
>>>>>> time with no problems.  Elecraf has quit selling the Prolific
>>>>>
>>>>> converter, but the
>>>>>>
>>>>>> one they were selling two years ago was Prolific.  I think that
>>>>>
>>>>> some are having
>>>>>>
>>>>>> good results from the FTDI chip set converters which Elecraft is
>>>>>
>>>>> shipping now.
>>>>>>
>>>>>> You will need the latest drivers which are available from the FTDI
>>>>>
>>>>> web site.
>>>>>>
>>>>>> Surely Prolific will eventually get their act together and publish
>>>>>
>>>>> a driver
>>>>>>
>>>>>> which will work with W7, maybe they have by now.
>>>>>>  Willis 'Cookie' Cooke
>>>>>> K5EWJ
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> ________________________________
>>>>>> From: Robert Redmon<[email protected]<mailto:[email protected]>>
>>>>>> To: [email protected]<mailto:[email protected]>
>>>>>> Sent: Sat, December 25, 2010 2:26:43 PM
>>>>>> Subject: [Elecraft] Windows 7 64bit and USB to RS232 adapter
>>>>>>
>>>>>> I have a new laptop with W7/64bit and can't get my USB/Serial
>>>>>
>>>>> adapter to
>>>>>>
>>>>>> work (with my K3). It all works fine on my XP (32bit) computers.
>>>>>
>>>>> Anyone
>>>>>>
>>>>>> who can help?
>>>>>>
>>>>>> 73, Bob K5SM
>>>>>> ______________________________________________________________
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>>>>>>
>>>>>>
>>>>>> ______________________________________________________________
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>>>>>
>>>
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