Ratoc Systems PCIU2 - Manual (Page 13)

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8. To verify that the driver is installed correctly, right-click on [My Computer], select [System
Properties], and then select the [Hardware] tab. Then, click the [Device Manager] button.
If you can find two [NEC PCI to USB Open Host Controller] strings and a [RATOC
PCI USB Enhanced Host Controller] string under the [Universal Serial Bus
Controllers], the driver is installed correctly.