Before I answer that, just to be sure you understand- this failure
occurs before starting up PowerSDR: the driver is not even loaded in
Windows' device manager when this problem is happening.
When things work properly, which is most of the time thankfully, Windows
only loads the driver once the cable lights up after the F3K is powered
up. Conversely, in those times when the cable light fails, no driver
loads at all. This is why I am inclined to think that it is happening at
a hardware level rather than software.
But to properly answer your question, I have observed this failure while
the computer had installed most of the 1.x and in recent months, 2.x
versions of PowerSDR installed. My habit is to install the newest ones
as they come along.
On 11/26/2010 11:42 AM, Tim Ellison wrote:
OK. Good.
One more question...
What version of PowerSDR are you using?
-Tim
-----Original Message-----
From: AI1P Matt Steven [mailto:kd0...@gmail.com]
Sent: Friday, November 26, 2010 12:35 PM
To: Tim Ellison
Cc: flexradio@flex-radio.biz
Subject: Re: [Flexradio] The mystery of the "Sporadic F"
Thanks for the quick reply Tim.
The failure occurs when powering up. Never does it fail once operational.
A very short ground wire goes from PC to Flex.
The two PCs use the same chipset, a Texas Instruments TSB43AB22/A
On 11/26/2010 11:29 AM, Tim Ellison wrote:
A few questions.
When does the failure occur? When powering up the FLEX-3000 or does it fail
after the FLEX-3000 is operational?
Is the PC "RF grounded" to the FLEX-3000?
Is it the same Firewire card in both PCs?
-Tim
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