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DEAR CUSTOMER
Thank you for purchasing this product. For
optimum performance and safety, please read
these instructions carefully before connecting,
operating or using this product. Please keep this
manual for future reference.
1.0 Description
The PCIe USB 3.1 2-Port Card is the next generation
Universal Series Bus xHCI host controller, bridging
PCI Express to USB 3.1 Gen-II, compliant with USB
3.1 Specification Revision1.0 and Intel eXtensible
Host Controller Interface Specification revision1.1.
it also supports the new feature of USB 3.1 Gen2,
named multiple INs to achieve fully utilization rate
of 10 Gbps data rate, taking advantage of the
available bandwidth of USB 3.1 Gen2 bus. The USB
3.1 Card application of Desktop PC, Workstations,
Servers, etc…

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2.0 Specification
• Support PCI Express Gen-IIx2 or Gen3x1
• Support high bandwidth performance with
low latency
• Support PCI Express Link power management
• Compliant with PCI Express Base 3.0 Specification
• Compliant with Universal Serial Bus 3.1
Specification Revision 1.0
• Compliant with eXtensible Host Controller
Interface specification Revision 1.1
• Compliant with USB Attached SCSI Protocol
Revision 1.0
• Up to USB3.1 Gen-II 10Gbps
• Support 1x Type C USB 3.1 port and 1x Type A
USB 3.1 port
• Backward compatible with Legacy USB function
and device

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• Support driver on Windows 7, Windows 8,
Window 8.1, and Windows 10
• Support various Linux kernels
• Chipset: ASM1142
3.0 Package Content
Before attempting to use this unit, please check the
packaging and make sure the following items are
contained in the shipping carton:
• 1 x PCIe USB3.1 Type C&A 2Ports Card
• 1 x User’s Manual
• 1 x Low profile bracket
• 1 x CD
4.0 System Requirements
• Linux, Win7/Win8/Win8.1/Win10 32bit or 64 bit
• One available PCI-Express x4/x8/x16 slot

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5.0 Hardware Description
A) USB Type-C™
B) USB 3.1 Type A
C) SATA Power Jack

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6.0 Hardware Installation
1. Turn Off the power to your computer.
2. Unplug the power cord and remove your
computer’s cover.
3. Remove the slot bracket from an available PCIe
X16 slot.
4. To install the card, carefully align the card’s bus
connector with the selected PCIe slot on the
motherboard. Push the board down firmly.
*The PCI Express USB3.1 Card must be connected
the SATA power cable to SATA power jack
5. Replace the slot bracket’s holding screw to
secure the card.
6. Replace the computer cover and reconnect the
power cord.

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7.0 Install Drivers
Windows® Operating Systems
For Windows 7 32 or 64bit
1. Please insert the CD driver bound with PCIe
USB 3.1 2 Port Card into your CD-ROM Drive.
2. At the Windows desktop, click “Computer”
3. Double click CD-ROM Drive to Brower drivers
files.
Type: D:\USB3.1 ASM1142\Setup.exe, click OK.
(Change D: to match your CD-ROM drive letter)
4. Follow the on-screen instruction to complete
the installation
For Windows8, Window8.1, Windows10 32 or 64bit
Using in box driver for Win8, Win8.1 and Win10 to
complete install the drivers

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To Verify Windows® Driver Installation
Click on the Device Manager tab in System
Properties, which you access from the Windows
Control Panel. If you has installed successfully, you
should see “ASMedia USB3.1eXtensible Host
controller”…installed under Universal Serial Bus
Controllers item.
Support
More information and settings please refer to the
User Guides or you can contact us.
Hereby Assmann Electronic GmbH, declares that the Declaration of Conformity is part of
the shipping content. If the Declaration of Conformity is missing, you can request it by
post under the below mentioned manufacturer address.
www.assmann.com
Assmann Electronic GmbH
Auf dem Schüffel 3
58513 Lüdenscheid
Germany