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Future Technology Devices International Ltd (FTDI)

373 Scotland Street, Glasgow G5 8QB United Kingdom

Tel.: +44 (0) 141 429 2777 Fax: + 44 (0) 141 429 2758

E-Mail (Support): support1@ftdichip.com Web: http://www.ftdichip.com

Neither the whole nor any part of the information contained in, or the product described in this manual, may be adapted or reproduced in any material or

electronic form without the prior written consent of the copyright holder. This product and its documentation are supplied on an as-is basis and no warranty

as to their suitability for any particular purpose is either made or implied. Future Technology Devices International Ltd will not accept any claim for damages

howsoever arising as a result of use or failure of this product. Your statutory rights are not affected. This product or any variant of it is not intended for use

in any medical appliance, device or system in which the failure of the product might reasonably be expected to result in personal injury. This document

provides preliminary information that may be subject to change without notice. No freedom to use patents or other intellectual property rights is implied by

the publication of this document. Future Technology Devices International Ltd, 373 Scotland Street, Glasgow G5 8QB United Kingdom. Scotland

Registered Number: SC136640

Future Technology Devices International Ltd

Application Note

AN_104

FTDI Drivers Installation guide for

Windows XP

Document Reference No. FT_000093

Version 1.0

Issue Date: 2008-09-23

Summary of content (20 pages)

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Future Technology Devices International Ltd Application Note AN_104 FTDI Drivers Installation guide for Windows XP Document Reference No. FT_000093 Version 1.0 Issue Date: 2008-09-23 Future Technology Devices International Ltd (FTDI) 373 Scotland Street, Glasgow G5 8QB United Kingdom Tel.: +44 (0) 141 429 2777 Fax: + 44 (0) 141 429 2758 E-Mail (Support): support1@ftdichip.com Web: http://www.ftdichip.
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Document Reference No.: FT_000093 Version 1.0 FTDI Drivers Installation guide for Windows XP Application Note AN_104 Clearance No.: FTDI# 58 Table of Contents 1 Introduction............................................................................................ 4 2 Installing CDM Drivers .......................................................................... 5 2.1 Installing Via The Found New Hardware Wizard ............................................... 5 2.2 Installing Using DPInst .......
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Document Reference No.: FT_000093 Version 1.0 FTDI Drivers Installation guide for Windows XP Application Note AN_104 Clearance No.: FTDI# 58 List of Figures Figure 2.1 .......................................................................................................................................................... 5 Figure 2.2 .......................................................................................................................................................... 6 Figure 2.3 .......
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Document Reference No.: FT_000093 Version 1.0 FTDI Drivers Installation guide for Windows XP Application Note AN_104 Clearance No.: FTDI# 58 Acronyms and Abbreviations Terms Description CDM Combined Driver Model. FTDI’s Windows driver that supports both D2XX and VCP interfaces. VCP Virtual COM Port. Emulation of a legacy RS232 COM port. Table 1.
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Document Reference No.: FT_000093 Version 1.0 FTDI Drivers Installation guide for Windows XP Application Note AN_104 Clearance No.: FTDI# 58 1 Introduction This document is intended to guide the reader through the process of installing FTDI’s combined driver model (CDM) driver for the Microsoft Windows XP operating system. The CDM driver provides access to both virtual COM port (VCP) and FTDI’s proprietary “direct” (D2XX) interfaces.
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Document Reference No.: FT_000093 Version 1.0 FTDI Drivers Installation guide for Windows XP Application Note AN_104 Clearance No.: FTDI# 58 2 Installing CDM Drivers 2.
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Document Reference No.: FT_000093 Version 1.0 FTDI Drivers Installation guide for Windows XP Application Note AN_104 Clearance No.: FTDI# 58 • Select "Install from a list or specific location (Advanced)" as shown in Figure 2.2 below and then click "Next". Figure 2.2 • Select "Search for the best driver in these locations" and enter the file path in the combo-box ("C:\CDM 2.02.04" in Figure 2.3 below) or browse to it by clicking the browse button.
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Document Reference No.: FT_000093 Version 1.0 FTDI Drivers Installation guide for Windows XP Application Note AN_104 Clearance No.: FTDI# 58 • If Windows XP is configured to warn when unsigned (non-WHQL certified) drivers are about to be installed, the message dialogue shown in Figure 2.4 will be displayed unless installing a Microsoft WHQL certified driver. Click on "Continue Anyway" to continue with the installation. If Windows XP is configured to ignore file signature warnings, no message will appear.
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Document Reference No.: FT_000093 Version 1.0 FTDI Drivers Installation guide for Windows XP Application Note AN_104 Clearance No.: FTDI# 58 • Windows should then display a message indicating that the installation was successful (Figure 2.6). Click "Finish" to complete the installation for the first port of the device. Figure 2.6 • If the device is based on the FT2232, the Found New Hardware Wizard will continue by installing the USB Serial Converter driver for the second port of the FT2232 device.
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Document Reference No.: FT_000093 Version 1.0 FTDI Drivers Installation guide for Windows XP Application Note AN_104 Clearance No.: FTDI# 58 • Select "Install from a list or specific location (Advanced)" as shown in Figure 2.8 below and then click "Next". Figure 2.8 • Select "Search for the best driver in these locations" and enter the file path in the combo-box ("C:\CDM 2.02.04" in figure 2.9 below) or browse to it by clicking the browse button.
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Document Reference No.: FT_000093 Version 1.0 FTDI Drivers Installation guide for Windows XP Application Note AN_104 Clearance No.: FTDI# 58 • If Windows XP is configured to warn when unsigned (non-WHQL certified) drivers are about to be installed, the message dialogue shown in Figure 2.10 will be displayed unless installing a Microsoft WHQL certified driver. Click on "Continue Anyway" to continue with the installation. If Windows XP is configured to ignore file signature warnings, no message will appear.
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Document Reference No.: FT_000093 Version 1.0 FTDI Drivers Installation guide for Windows XP Application Note AN_104 Clearance No.: FTDI# 58 • Windows should then display a message indicating that the installation was successful (Figure 2.12). Click "Finish" to complete the installation for the first port of the device. Figure 2.12 • If the device is based on the FT2232, the second port must also be installed.
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Document Reference No.: FT_000093 Version 1.0 FTDI Drivers Installation guide for Windows XP Application Note AN_104 Clearance No.: FTDI# 58 • In the case of the FT2232, port A of the FT2232 will be installed as COMX and port B will be installed as COMX+1 where COMX is the first available COM port number. Figure 2.
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Document Reference No.: FT_000093 Version 1.0 FTDI Drivers Installation guide for Windows XP Application Note AN_104 Clearance No.: FTDI# 58 2.2 Installing Using DPInst In the case of a Microsoft WHQL certified driver package, it is possible to pre-install the driver package using the Microsoft Driver Install Frameworks (DIFx) tools. The simplest tool provided is the Driver Package Installer (DPInst). When placed in the same directory as the INF files for the driver package, simply run DPInst.
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Document Reference No.: FT_000093 Version 1.0 FTDI Drivers Installation guide for Windows XP Application Note AN_104 Clearance No.: FTDI# 58 2.3 Installing From Windows Update If a certified driver is available for the target operating system, it is possible to install the driver from the Windows Update web site. Directions to install the driver from Windows Update are very similar to those outlined in 2.
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Document Reference No.: FT_000093 Version 1.0 FTDI Drivers Installation guide for Windows XP Application Note AN_104 Clearance No.: FTDI# 58 3 Uninstalling CDM Drivers FTDI no longer supply an uninstaller program as part of the driver package. Consequently, a new method for uninstalling has to be used. Devices can be removed using the Device Manager by simply right-clicking on the device and selecting "Uninstall". This will delete the associated registry entries for that device only.
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Document Reference No.: FT_000093 Version 1.0 FTDI Drivers Installation guide for Windows XP Application Note AN_104 Clearance No.: FTDI# 58 4 4.1 Troubleshooting Windows XP Cannot Find Drivers For My Device This error can occur if the VID and PID programmed into the device EEPROM do not match those listed in the INF files for the driver. The VID and PID programmed into the device EEPROM may be found by using the USBView utility from the FTDI web site.
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Document Reference No.: FT_000093 Version 1.0 FTDI Drivers Installation guide for Windows XP Application Note AN_104 Clearance No.: FTDI# 58 Figure 4.1 Two options are available to successfully install the device. Either a certified version of the driver can be installed (if available) or the driver signing options can be changed to either warn or ignore to allow the installation to complete.
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Document Reference No.: FT_000093 Version 1.0 FTDI Drivers Installation guide for Windows XP Application Note AN_104 Clearance No.: FTDI# 58 5 Contact Information Head Office - Glasgow, UK Future Technology Devices International Limited 373 Scotland Street Glasgow G5 8QB United Kingdom Tel: +44 (0) 141 429 2777 Fax: +44 (0) 141 429 2758 E-Mail (Sales): sales1@ftdichip.com E-Mail (Support): support1@ftdichip.com E-Mail (General Enquiries): admin1@ftdichip.com Web Site URL: http://www.ftdichip.
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Document Reference No.: FT_000093 Version 1.0 FTDI Drivers Installation guide for Windows XP Application Note AN_104 Clearance No.: FTDI# 58 Appendix A – Revision History Version 0.1 First Draft 08/09/2008 Version 1.