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usb 2 scanner problem

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Name: angrymen2001
Date: February 23, 2004 at 11:34:03 Pacific
OS: XP
CPU/Ram: XP2500+/ PC3200 512M Ram
Comment:

Ok, here is a doozy for you guys.
I have a visioneer 9020 USB 2.0 scanner hooked directly into my computer motherboard usb 2.0 port (asus a78nx deluxe). I also have a usb 1.1 hub connected to one of the onboard ports (bios is setup for 1.1 and 2.0). When I installed the software and driver for scanner, the scanner was detected but would not associate the driver to it (unknown hardware in usb). I unplugged the hub, and still not found. Leaving the hub off, I uninstalled the scanner software/ driver and reinstalled. Scanner was found and worked perfectly. After reconnecting the hub, the scanner can't be found again. I unplug the hub, and it still can't be found unless I uninstall/ reinstall software). The USB hub has its own power, my power supply is a 400Watt supply, so I do not believe it to be a power issue (especially when I remove the hub). I also moved hub and scanner to different ports to ensure no problems there.
Real mind boggler to me, any suggestions?



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Response Number 1
Name: StuartS
Date: February 23, 2004 at 11:39:37 Pacific
Reply:

Plugging a 1.1 hub into a 2.0 port will force the 2.0 port to run at 1.1 speeds. As it was setup for 2.0 speeds it wont work.

Re-install the USB drivers with the hub connected.

Stuart


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Response Number 2
Name: angrymen2001
Date: February 23, 2004 at 13:26:49 Pacific
Reply:

tried that, didn't work


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Response Number 3
Name: vincex
Date: February 23, 2004 at 13:40:42 Pacific
Reply:

Get a usb2 compatable hub


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Response Number 4
Name: angrymen2001
Date: February 23, 2004 at 15:03:45 Pacific
Reply:

Even if I'm not running any USB 2.0 hardware thru the hub?


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Response Number 5
Name: StuartS
Date: February 23, 2004 at 15:18:44 Pacific
Reply:

I thought you said your scanner was USB 2?

Stuart


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Response Number 6
Name: angrymen2001
Date: February 23, 2004 at 15:24:49 Pacific
Reply:

It is, but it's not connected to the hub


0

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