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Adaptec USB2 PCI card problem


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#1
drmull

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I just did a repair install with WinXP after adding a new MB and CPU. I have an Adaptec 5100 USB2 PCI card. In hardware manager, it is recognized as being installed in PCI slot 6, but it isn't functioning.

I did what the Adapetc site recommended for installing their driver, which was disabling the "NEC to PCI" driver and then updating it with Adaptec's driver (which I downloaded). At the end of the process, XP said the "device is now enabled". But...when I plug a device into the card nothing happens - the PC doesn't see it. Also, the second USB port on the card (there are 5) doesn't supply any power- it did before the repair install.

The USB2 ports that come from the MB are working fine. The PC responds to anything I plug into them.

Any ideas...maybe give up????
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#2
WinCrazy

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PCI plug-in cards don't require drivers because the driver is built into the XP operating system. Only Win 95 and 98 require drivers.

Try deleting the PCI adapter in Hardware Manager and the reboot.
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#3
drmull

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Thanks WinCrazy - it worked. The "dead" 2nd port on the card is now working. Dumb question, though. Am I getting full USB2 speeds from the built-in WinXP drivers?? Why would you want to use Adaptec's drivers?

Thanks
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#4
Retired Tech

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You could look in device manager, click the + next to USB Controllers to see if you have enhanced controller there
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#5
WinCrazy

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As Keith pointed out "enhanced" USB controllers provide the faster USB2.0 speeds.
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#6
drmull

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OK...I don't have any "enhanced" USB drivers listed in Device Manager. How do I install an enhanced driver for my Adaptec PCI card? All I have listed is the NEC PCI to USB Open Host Controller (listed twice).

I downloaded the latest driver for my card from Adaptec but it didn't seem to work (as originally posted).

So right now I don't have USB2, correct? Thanks


BTW -I need the PCI card to be full USB2 speed because I want to connect a Store-It drive for backup which is USB powered and requires two ports.

__________________________________________________________________________________________________________

*Update* - I think I figured it out. I had no idea I was supposed to be reinstalling the driver for the "Other Devices-->Unknown Device" in Device Manager. I was trying to update the driver for the NEC PCI to USB controller in the "USB controllers" list. Now I have a "Standard Enhanced" driver listed. Hooray...

Edited by drmull, 28 May 2006 - 11:55 PM.

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#7
Retired Tech

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Thank You for letting us know
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