USB not turning off at shutdown

I think this may be an ACPI problem, although i havent been running acpid until just today (didnt know it existed.. heh)..
when i shut down the computer.. my usb remains on, ie my usb optical mouse remains on after the computer is powered down
im not sure what to do, i thought it may be a `wake on usb' option somewhere, but a cat of /proc/acpi/wakeup reveals this
Device Sleep state Status
HUB0 5 disabled
HUB1 4 disabled
USB0 3 disabled
USB1 3 disabled
USB2 3 disabled
F139 3 disabled
MMAC 5 disabled
MMCI 5 disabled
UAR1 5 disabled
this isnt a bios setting as windows doesnt do this..
its getting a bit annoying powering down and then having to start up and manually turn it off at the power button to get rid of the usb
thanks for any help

Father wrote:
Sorry guys, id forgotten about this post.
I have an NForce 3 250 chipset.
My usb mouse is the device not turning off. The optical LED remains on even with the computer off.
This only happens after a shutdown from linux.
Thanks again.
Hi
I have the same chipset on a MSI K8N Neo Platinum (AMD64 cpu). Not only does the USB mouse not turn off, when I press the Num lock key on the keyboard the light comes on. Pressing Caps lock has no effect though. For me the problem exists in both Windoze and Arch.
Regards

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