In the Manufacturer name box, click Microsoft Corporation.
In the Operating System box, click Windows 2000 Professional RTM.
Download the driver that is named "NEC usb software update released on June 01 2001."
Note The size of the Windows 2000 version of this driver is 107 KB. The Microsoft Windows XP version of this driver is 290 KB.
The files in this update include:
Date Time Version Size File name ------------------------------------------------------------ 23-Apr-2002 22:46 5.0.2195.5652 135,920 Usbport.sys 18-Apr-2002 23:46 5.0.2195.5605 49,392 Usbhub20.sys 23-Apr-2002 22:46 5.0.2195.5652 19,216 Usbehci.sys 07-May-2002 16:52 7,159 Usb2.inf 09-May-2002 23:12 8,736 Usb2.cat 18-Apr-2002 23:46 5.0.2195.5605 6,416 Hccoin.dll
After you install this driver and restart your computer, the USB 2.0 controller and device are listed correctly in Device Manager. If you do not install this update, the USB 2.0 device is listed and functions, but the device does not work at full USB 2.0 speed.
Microsoft has released this update to provide additional functionality in Windows 2000.
Currently, only EHCI host controllers that have the following hardware IDs are supported by this update:
NEC (NEC PCI to USB Enhanced Host Controller B0, NEC PCI to USB Enhanced Host Controller B1)
Intel (Intel PCI to USB Enhanced Host Controller)
VIA (VIA PCI to USB Enhanced Host Controller)
NOTE: The Microsoft USB 2.0 driver may not be listed as an available update if third-party USB 2.0 drivers are installed on your computer. You may have to remove the third-party USB 2.0 drivers, and then install the Microsoft USB 2.0 driver from the Windows Update Web site.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Microsoft Windows 2000 Service Pack 4.