The FLEX-1500 is a USB 1.1 device so you would be OK.  Is the PC by chance a 
laptop?


-Tim


-----Original Message-----
From: Michael Tondee [mailto:[email protected]] 
Sent: Friday, February 11, 2011 12:38 AM
To: Tim Ellison
Cc: [email protected]
Subject: Re: [Flexradio] 1500 on the way today...USB concerns?

Did some testing and apparently my PC has only one USB hub or only one that is 
available to me.  No matter where I hook up the 1500 or the keyboard in my 
available front and rear panel USB ports, they both always come up on "Hub 0" 
There is a device that says it is "mass storage" showing hooked up to "Hub 1" 
but I have no idea what it is or how to access "Hub 1". I have no USB drives or 
anything of that nature unless it's the SD card reader ports or the "HP pocket 
media drive bay" 
on the front panel of the computer. I think I have an old USB PCI card lying 
around here somewhere but I'd bet anything it's USB 1.1 if I could even lay 
hands on it.
73,
Michael
On 2/10/2011 1:17 PM, Tim Ellison wrote:
> Unless you have a "soft" USB controller that seem to crop up in some of the 
> new  "I" versions of Intel processors, the only thing of real concern with 
> USB is to make sure you do not have a low speed polling device (keyboard/ 
> mouse) or a very high bandwidth USB device like a Wireless card or hard drive 
> connected to the same USB controller as the FLEX-1500.
>
> You want to look at this KB article
> http://kc.flexradio.com/KnowledgebaseArticle50459.aspx
>
> If you do have one of the "soft" USB controllers, then there are some 
> enhancements in the upcoming beta version of PowerSDR that help mitigate the 
> controller issues.
>
>
> -Tim
>
>
> -----Original Message-----
> From: [email protected] 
> [mailto:[email protected]] On Behalf Of Michael Tondee
> Sent: Thursday, February 10, 2011 12:44 PM
> To: [email protected]
> Subject: [Flexradio] 1500 on the way today...USB concerns?
>
> I'm waiting on my 1500 to be delivered today. Meantime, I've been reading the 
> forums and scouting around in the KB articles. I've read a couple of things 
> about USB issues that give me pause.
> MY PC is an HP a6333w desktop with an Athlon 64 X2  4800+  2.5Ghz processor.. 
> Chipset is identified as GEforce 6150SE n Force430.  It has 3GB of memory and 
> is running 32 bit Windows 7.  It has USB 2.0 and I use a MS comfort curve 
> 2000 keyboard that hooks up through USB.  I have added a dual port PCIE video 
> card that I believe has an Nvidia processor. This PC performed near 
> flawlessly through a firewire hookup to a 5k  but I have been unable to 
> garner much info on it as far as how the USB controller is configured, 
> perhaps I'm not looking in the right place. The device manager doesn't really 
> seem to give that much info.
> I'm not trying to borrow trouble here but I read something in a post 
> about the fact that a USB keyboard hooked to the same controller as 
> the
> 1500 could slow the USB speed down and cause issues with the 1500. Any 
> thoughts or am I just jumping the gun a bit here?
>
> _
>


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