regd Virtual box Software in suse linux

Friends,
i am currently using suse linux 10.2 on my Acer Laptop, and i have installed virtual box on it. i have installed a Vista Os through Virtual box in suse linux.

The problem is that, when i insert a usb device into my laptop, its get detected in my linux. But the problem is when i start my Vista os , i doesn’t get detected in Vista. i also have enabled the usb drive option in virtual box settings, but its not getting detected.
Why it so, do i need to do any other configuration.

plz suggest me some solution …

Thanks in Advance.

You can try this page: Virtualbox USB Support - openSUSE

Thanks my friend.

i have one more doubt in virtual box . that is, i have inbuilt dialup modem in my laptop, when i run my virtualbox this modem is not getting detected on there on Vista.
Why its so … and there is no setting in the virtual box to enable the modem.

please help this too …