Does USB 1.1 work on 2.0?

Sunday, November 23, 2003 by bordfryr | Discussion: Stardock Software

Does anybody know if USB 1.1 devices can be plugged in to USB 2.0 ports? Thanks.
XX
Reply #1 Sunday, November 23, 2003 12:52 AM
Yeah, Usb 2.0 is backwards-compiable with 1.0 and 1.1 USB devices.
yrag
Reply #2 Sunday, November 23, 2003 1:11 AM
Make sure your bios is set for both versions.....



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bordfryr
Reply #3 Sunday, November 23, 2003 1:33 AM
Aha, I better check ye olde bios then. Thanks!
yrag
Reply #4 Sunday, November 23, 2003 1:37 AM
bordfryr
Reply #5 Sunday, November 23, 2003 8:34 AM
Could not find anything in the bios. Just a jumper on the mobo and it's already enabled. There are two other usb headers. One for 1.1 and one for 2.0. I have an extra usb jack that goes in the pci slot (blue connector), but that doesn't work either. Guess it's just fried.
bordfryr
Reply #6 Sunday, November 23, 2003 7:14 PM
I also just installed MS Service Pack 1, and the USB 2.0 drivers from the mobo cd. (Asus A7V333)
No go.
digitalnoiz
Reply #7 Monday, November 24, 2003 2:14 AM
What is the device you are trying to use?

Are you sure it's not the other way around that you have a USB 2.0 device that your connecting to USB 1.1?

Some devices can't do this.



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bordfryr
Reply #8 Monday, November 24, 2003 4:08 PM
No, I don't have any 2.0 devices, yet. I was getting ready to and wanted to make sure the 2.0 ports worked. Apparently they don't. I will just buy one of those pci cards when the time comes. Thanks anyway.
MrStolpe
Reply #9 Tuesday, November 25, 2003 12:42 PM
As a tech here is what I know on this;

2.0 is backwards compatible, 1.x should work in it, the OS (Windows) needs the drivers for 2.0 from the mother board CD, or from the makers website. When using 1.x, devices will work at 1.x speeds just as if you were using 1.x ports.

1.x can not support 2.0 devices nor should they fit as 2.0 plugs are a little bit different, but the 2.0 jacks support both.

I hope this helps.
MrStolpe
Reply #10 Tuesday, November 25, 2003 12:44 PM
As a side note it may say "Plug and Play" but it really is "Plug and Pray".

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