You're at: > > FAQ > Multimedia USB2.0 Host Adapters (Controller Cards & Cardbus) USB2.0 Host Adapters (Controller Cards & Cardbus) What kind of OS does the controller card supports? Our USB 2.0 card supports Windows 98SE/ME/2000/XP OS. What is the function of the jumper beside internal port? It allows you to utilize the built-in USB 2.0 ports on your case. Here is the layout: PIN1=USB_VCC, PIN2=D-, PIN3=D+, PIN4=USB_GND. What to do when your computer does not start up normally after installing our USB 2.0 card? Option#1: Please check your device manager to make sure the driver is installed correctly. If not, remove the driver and reinstall the card by using different PCI slots. ![]() Clean the contact of the PCI slot and the gold fingers of the card. Sometimes bad contact can cause the card to malfunction. Option#2: Upgrade your Windows OS to the latest service pack. You need a full copy of Windows OS to finish the installation, not just a recovery disk provided by your system dealer. Option#3: Our USB 2.0 cards meet PCI specification 2.2. However, it is not compatible with 3.3 Volt slot. What kind of OS does it support? USB 2.0: Our USB2.0 PCMCIA cardbus supports Windows 98SE/ME/2000/XP OS. FireWire: Our FireWire PCMCIA cardbus supports Windows 98SE/ME/2000/XP OS and Mac OS 9.0 & above. The IEEE1394a controller is compliant to Microsoft OHCI specification so you don't have to install any additional driver, Windows will detect the card and install the OHCI driver automatically. Please make sure you have a full copy of Windows OS, not just a recovery disk provided by system builder. Do you need a power adaptor? Generally, the later design of notebook should have enough power to support 2 devices. However, some external devices may need additional power to function properly. Opti 82c861 Pci To Usb Open Host Controller![]() Sis 7001 Pci To Usb Open Host ControllerThe PEXUSB3S2 PCI Express USB 3.0 card lets you add two USB 3.0 ports to your PC through a PCI Express slot. Featuring a native NEC PCI Express host controller chipset, the USB 3.0 standard supports transfer rates of up to 5Gbps, while still providing backward compatibility for older USB 2.0 (480Mbps) and 1.1 (12Mbps) devices. I personally am experiencing problems with USB 3.0 and Windows 7, but I believe this is a issue in regards to chipset drivers. Because Windows 7 doesn't seem to have any class driver support for it, but Windows 8 does. Nec Usb Open Host Controller DriverHere is the basic specification for the required adaptor. USB 2.0: T he DC power adaptor is 5V DC. According to USB specification, the USB port can provide 5V at 500mA per port but there is no 5V on the cardbus interface so we need to have a voltage step up circuit to convert 3.3V to a 5V for the USB port. Due to the size of the casing, the step up circuit cannot reach 1000mA so you require a DC power adaptor. FireWire: The DC power adaptor is 12V DC. What to do when your notebook does not start up normally after installing our cardbus? Option#1: Please check your device manager to make sure the driver is installed correctly.
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