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Hardware and Windows Vista Hardware issues in relation to Windows Vista. (microsoft.public.windows.vista.hardware_devices)

USB devices drop out between applications



 
 
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  #1 (permalink)  
Old October 25th 08, 11:28 AM posted to microsoft.public.windows.vista.hardware_devices
mldavis2
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Posts: 4
Default USB devices drop out between applications


I'm using Vista 64 Home Premium SP1 with Microsoft Flight Simulator X
SP2 and have several USB controllers for yoke, throttle and rudder
pedals, all CH Products. I have the latest drivers from CH installed
and they work fine -- until I close FSX, run something else and then
reboot FSX. Then I lose one or two USB devices, seemingly at random.
The solution is to unplug/replug the devices each time I want to use
FSX. Not a big deal, but a pain. I haven't seen any similar problems
posted here or on the Microsoft web site. Any ideas?

Asus Formula Rampage mobo
Intel Q9450
4 gigs Crucial DHX RAM


--
mldavis2
  #2 (permalink)  
Old October 25th 08, 09:31 PM posted to microsoft.public.windows.vista.hardware_devices
Richard G. Harper
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Posts: 3,272
Default USB devices drop out between applications

Have you tried plugging the devices into a powered USB hub? They may be
drawing more power than the bus can provide.

--
Richard G. Harper [MVP Shell/User]
* NEW! Catch my blog ...
http://msmvps.com/blogs/rgharper/
* PLEASE post all messages and replies in the newsgroups
* The Website - http://rgharper.mvps.org/


"mldavis2" wrote in message
...

I'm using Vista 64 Home Premium SP1 with Microsoft Flight Simulator X
SP2 and have several USB controllers for yoke, throttle and rudder
pedals, all CH Products. I have the latest drivers from CH installed
and they work fine -- until I close FSX, run something else and then
reboot FSX. Then I lose one or two USB devices, seemingly at random.
The solution is to unplug/replug the devices each time I want to use
FSX. Not a big deal, but a pain. I haven't seen any similar problems
posted here or on the Microsoft web site. Any ideas?

Asus Formula Rampage mobo
Intel Q9450
4 gigs Crucial DHX RAM


--
mldavis2


  #3 (permalink)  
Old October 25th 08, 10:32 PM posted to microsoft.public.windows.vista.hardware_devices
mldavis2
external usenet poster
 
Posts: 4
Default USB devices drop out between applications


That thought occurred to me but I don't think that's the problem. I'm
running a big 750W PC Power & Cooling power supply on an Asus Formula
Rampage mobo with 8 USB ports directly off the board. Only 5 of those
ports are being used at any one time, a USB wireless mouse, keyboard and
the 3 controllers for FSX. I only have to unplug and re-plug the USB
controllers back in and they work flawlessly until I close FSX. I have
other USB devices such as a Wacom tablet that no doubt pull more power
and there is no problem with them. Also, the mouse transmitter and
keyboard never quit, just the FSX devices. Just wondered if there was
something about USB devices in the Vista 64 FAQs.


--
mldavis2
  #4 (permalink)  
Old October 26th 08, 10:09 AM posted to microsoft.public.windows.vista.hardware_devices
Richard G. Harper
external usenet poster
 
Posts: 3,272
Default USB devices drop out between applications

The size of your power supply does not matter. The USB bus can only provide
a fixed amount of power no matter what else is inside your computer, what
motherboard you use, or any other variable - it's set by the USB standard.
So a powered hub would be a good next try.

--
Richard G. Harper [MVP Shell/User]
* NEW! Catch my blog ...
http://msmvps.com/blogs/rgharper/
* PLEASE post all messages and replies in the newsgroups
* The Website - http://rgharper.mvps.org/


"mldavis2" wrote in message
...

That thought occurred to me but I don't think that's the problem. I'm
running a big 750W PC Power & Cooling power supply on an Asus Formula
Rampage mobo with 8 USB ports directly off the board. Only 5 of those
ports are being used at any one time, a USB wireless mouse, keyboard and
the 3 controllers for FSX. I only have to unplug and re-plug the USB
controllers back in and they work flawlessly until I close FSX. I have
other USB devices such as a Wacom tablet that no doubt pull more power
and there is no problem with them. Also, the mouse transmitter and
keyboard never quit, just the FSX devices. Just wondered if there was
something about USB devices in the Vista 64 FAQs.


--
mldavis2


  #5 (permalink)  
Old October 26th 08, 12:51 PM posted to microsoft.public.windows.vista.hardware_devices
mldavis2
external usenet poster
 
Posts: 4
Default USB devices drop out between applications


Thanks, Richard. I may try that. You can't have too many USB ports, so
adding to the 8 I already have won't hurt. I am skeptical, still, since
I'm not getting drop outs during hours of computer use once FSX is
running. These are essentially "rheostat" and switch type devices that
shouldn't be pulling much power aside from the LED on the throttle
controller. I use iPods that pull power for battery recharging, and the
Wacom tablet that maintains a magnetic field of sorts and no problems
with them, but I'll give it a shot. Thanks for the response. I'll
report back.


--
mldavis2
 




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