Copyright © 2010 Future Technology Devices International Limited

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Document Reference No.: FT_000131

USB-COM422-PLUS1 Datasheet

Version 1.1

Clearance No.: FTDI# 94

connecting the USB-COM422-Plus1 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-Plus1 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-Plus1 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-Plus1 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:

Figure 2.3 Automatic Install