USB-COM422 Datasheet, PDF (8/24 Pages) List of Unclassifed Manufacturers – Future Technology Devices International Ltd

2.2 Device Driver Installation
Document Reference No.: FT_000135
USB-COM422-PLUS2 Datasheet
Version 1.2
Clearance No.: FTDI#103
The USB-COM422-PLUS2 module drivers are available for download from:
www.ftdichip.com
2.2.1 Microsoft Windows
With the device drivers being Windows Hardware Quality Labs (WHQL) certified, they are also available
through download directly from the Microsoft^® Windows^® Update service. This is the best choice when
connecting the USB-COM422-PLUS2 to a computer running Windows Vista. Additional installation options
are noted below:
Installation Executable shown on Windows XP
1) Login to your system as Administrator, or a user with Administrator rights.
2) Prior to connecting the USB-COM422- PLUS2 to the USB Host or Hub port, download the latest
device driver version from the FTDIChip web site.
3) Run this executable to install the device drivers.
4) Connect the USB-COM422-PLUS2 to your computer. A notification will appear near the task bar
indicating that new hardware has been installed and is ready for use. It is normal if this notice
appears twice.
Figure 2.1 - Hardware Ready
Windows Update shown on Windows XP
You must have an active Internet connection and the Windows Update Service enabled.
1) Connect the USB-COM422-PLUS2 to your USB Host or Hub.
2) The “Found New Hardware” Wizard will appear. The first dialog should ask whether it is
acceptable to use the Windows Update Service to find the device driver.
Figure 2.2 – Found New Hardware Wizard
3) Select one of the “Yes” choices and click “Next”.
4) The following screen appears:
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