Suddenly drop in communicationrate from both USB ports and IEEE 1394 port

Hi
Lately my HPE-432sc Pavilion computer (Win 7, 64 bit) behaves strange when I try to communicate (i.e. copy) huge files via (all) USB-ports or the IEEE 1394-port to external units (USB-keys or External harddisc).
The copy process start with normal speed but then after 20-30 seconds the speed drops with a factor of at least 10....(and the copy-process terminate correct eventually!)
All drivers are up-to-date and the units performs correctly according to the device manager.
Any suggestions?
SteenH
(Denmark)

Try downloading installing the original Intel chipset and let me know if that works for you.
Here is a direct link to the download:
Original Intel Chipset Driver
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Suddenly drop in communicationrate from both USB ports and IEEE 1394 port

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