PL2303 Windows User Manual v1.7

PL2303 Windows User Manual v1.7

PL2303 Windows Driver User

’s Manual

For Driver Installer v1.11.0 Release

For Microsoft Windows Operating Systems

PL2303 USB-to-Serial Bridge Chip Family

Windows Driver Installer User Manual

WHQL Driver Version Information

 Driver Installer & Build date: 1.11.0 (2015-6-17)

GUID: ECC3713C-08A4-40E3-95F1-7D0704F1CE5E

WHQL WDM Driver: v2.1.51.238 (10/22/2013)

Windows 2000, XP, Server 2003 (32 & 64-bit)

 https://sysdev.microsoft.com/en-US/Hardware/LogoVerificationReport.aspx?sid=1616428

WHQL WDF Driver: v3.6.78.350 (06/05/2015)

Windows 10 (32 & 64-bit)

Windows Vista, 7, 8, 8.1 (32 & 64-bit)

Windows Server 2008, 2008R2, Server 2012, Server 2012R2 (64-bit) https://sysdev.microsoft.com/en-US/Hardware/LogoVerificationReport.aspx?sid=1732552

Drivers can also automatically install via Windows Update (need Internet connection)

System Requirements

 PC with USB 1.1/2.0/3.0 Host Controller (USB Port) and Windows OS.

 USB Device with below PL-2303 chip versions and their supported OS Family:

Chip Version

Windows

2000 / XP

Server 2003

(32 & 64 bit)

Windows

Vista / 7

Server2008/R2

(32 & 64 bit)

Windows

8 / 8.1

Server2012/R2

(32 & 64 bit)

Windows 10

(32 & 64 bit)

PL-2303H Yes Yes Not Supported* Not Supported*

PL-2303HX (Rev A) or

HXA

Yes Yes Not Supported* Not Supported*

PL-2303X or XA

PL-2303HX (Rev D) or

HXD

Yes

Yes

Yes

Yes

Not Supported*

Yes

Not Supported*

Yes

PL2303TA

PL2303TB

PL2303EA

PL2303RA

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

PL2303SA Yes Yes Yes Yes

* - PL2303H, PL-2303HX (Rev A), and PL-2303X are EOL and discontinued chips and Prolific will not provide Windows 8 (and above versions) driver support. New driver versions will show yellow mark (Error

Code 10) in Device Manager for these EOL chip versions under Windows 8 or above OS versions.

Prolific Technology Inc. - 1 of 17 - June 17, 2015

All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be reproduced or transmitted in any form by any means without the express written permission of the manufacturer.

PL2303 Windows Driver User

’s Manual

For Driver Installer v1.11.0 Release

For Microsoft Windows Operating Systems

Counterfeit Warning!!!

Please be warned that counterfeit/fake PL-2303HX Rev A (or PL-2303HXA) USB-to-Serial Controller

ICs using Prolific's trademark logo, brandname, and drivers, are being sold in the China market.

Counterfeit IC products show exactly the same outside chip markings but generally are of poor quality and causes Windows driver compatibility issues (Yellow Mark Error Code 10 in Device Manager under

WinXP, Vista, and 7). This warning is issued to all customers and consumers to avoid confusion and false purchase. Please purchase only from stores or vendors providing technical and RMA support.

Windows 7 Driver Installation

This section will guide you on how to install the PL-2303 Windows Driver. You can download the latest

Driver Installer program from Prolific Support website: http://www.prolific.com.tw/US/ShowProduct.aspx?p_id=225&pcid=41

Note: Please take notice of the installation order. First, run the Driver Installer Program before plugging in the USB to Serial adapter. If you already plug the device during the driver installation, you need to re-plug the device for Windows to enumerate the device and load the drivers installed. If your device is embedded to the system, you might need to restart the system (or click rescan hardware changes in Device Manager) to reload and install the driver.

The following steps will show how to install the device under Windows 7 (64-bit) OS as this is the most inquired driver installation support received by Prolific. The procedures are the same and straight- forward for all other supported Windows operating system versions.

Prolific Technology Inc. - 2 of 17 - June 17, 2015

All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be reproduced or transmitted in any form by any means without the express written permission of the manufacturer.

PL2303 Windows Driver User

’s Manual

For Driver Installer v1.11.0 Release

For Microsoft Windows Operating Systems

1.

2.

Power on your computer and boot to Windows. Run or double-click the PL-2303 Windows Driver

Installer program.

The InstallShield Wizard will be displayed to inform you that the PL-2303 USB-to-Serial driver will be installed on your computer. Click Next to continue.

Prolific Technology Inc. - 3 of 17 - June 17, 2015

All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be reproduced or transmitted in any form by any means without the express written permission of the manufacturer.

PL2303 Windows Driver User

’s Manual

For Driver Installer v1.11.0 Release

For Microsoft Windows Operating Systems

3.

The PL-2303 Driver Installer program will then start to install the drivers needed.

4.

Click the Finish button to close the InstallShield program. If you have plugged the cable into the

PC while running the setup installation, please unplug and replug the cable for the system to detect the device.

Prolific Technology Inc. - 4 of 17 - June 17, 2015

All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be reproduced or transmitted in any form by any means without the express written permission of the manufacturer.

PL2303 Windows Driver User

’s Manual

For Driver Installer v1.11.0 Release

For Microsoft Windows Operating Systems

5.

Plug in the USB to Serial adapter to the PC USB port. Windows should detect the driver as

Prolific USB-to-Serial Comm Port. Go to Device Manager and check for the “Prolific

USB-to-Serial Comm Port” device and the COM port number assigned by Windows.

6.

You can also check the driver version by right-clicking on the “Prolific USB-to-Serial Comm Port” device and select Properties and Driver tab.

Prolific Technology Inc. - 5 of 17 - June 17, 2015

All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be reproduced or transmitted in any form by any means without the express written permission of the manufacturer.

PL2303 Windows Driver User

’s Manual

For Driver Installer v1.11.0 Release

For Microsoft Windows Operating Systems

Warning!!!

If you are encountering yellow mark (Error Code 10) for device in Device Manager under Windows XP,

Vista, or Windows 7, you need to contact the cable vendor or manufacturer for possible counterfeit chip. Prolific does not manufacture or sell any end-user market products and will not provide or be responsible for direct support to end-users.

Prolific Technology Inc. - 6 of 17 - June 17, 2015

All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be reproduced or transmitted in any form by any means without the express written permission of the manufacturer.

PL2303 Windows Driver User

’s Manual

For Driver Installer v1.11.0 Release

For Microsoft Windows Operating Systems

Windows Driver Installation (via Windows Update)

This section guides you on how to install the PL-2303 Windows Driver via Windows Update. You will need an Internet connection to automatically download and install the drivers via Windows Update:

Operating Systems

Windows Update

Windows 7

(32 & 64 bit)

Windows 8 / 8.1

(32 & 64 bit)

Windows

Server 2008R2

Server 2012

Server 2012R2

(64 bit)

Windows 10

(32 & 64 bit)

1.

Check if your Internet connection is OK. Plug in PL-2303 USB to Serial cable.

2.

Windows will automatically check Windows Update if driver is available and will download and install the driver instantly.

Prolific Technology Inc. - 7 of 17 - June 17, 2015

All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be reproduced or transmitted in any form by any means without the express written permission of the manufacturer.

PL2303 Windows Driver User

’s Manual

For Driver Installer v1.11.0 Release

For Microsoft Windows Operating Systems

3.

Windows will then prompt you that Prolific USB-to-Serial Comm Port (COMx) is installed and ready to use.

Prolific Technology Inc. - 8 of 17 - June 17, 2015

All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be reproduced or transmitted in any form by any means without the express written permission of the manufacturer.

PL2303 Windows Driver User

’s Manual

For Driver Installer v1.11.0 Release

For Microsoft Windows Operating Systems

4.

You can also right-click on the USB-Serial Controller device and click Update Driver.

Prolific Technology Inc. - 9 of 17 - June 17, 2015

All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be reproduced or transmitted in any form by any means without the express written permission of the manufacturer.

PL2303 Windows Driver User

’s Manual

For Driver Installer v1.11.0 Release

For Microsoft Windows Operating Systems

Prolific Technology Inc. - 10 of 17 - June 17, 2015

All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be reproduced or transmitted in any form by any means without the express written permission of the manufacturer.

PL2303 Windows Driver User

’s Manual

For Driver Installer v1.11.0 Release

For Microsoft Windows Operating Systems

Windows 8/8.1/10 Supported Chip Versions

This section will guide you on what PL-2303 chip versions are supported by Prolific in Windows 8:

Chip Version Chip Availability Windows 8/8.1/10 (32 & 64 bit)

PL-2303H

PL-2303HX (Rev A) or HXA

PL-2303X or XA

PL-2303HX (Rev D) or HXD

PL2303TA

PL2303TB

Discontinued (EOL)

Discontinued (EOL)

Discontinued (EOL)

Available

Available

Available

No New Driver Support*

No New Driver Support*

No New Driver Support*

Yes

Yes

Yes

PL2303EA

PL2303RA

Available

Available

Yes

Yes

PL2303SA Available Yes

* - New Driver does not support PL-2303H, PL2303HX (Rev A), and PL2303X in Windows 8/8.1/10. It will show a yellow mark (Error Code 10) in Device Manager similar to what counterfeit chips would show.

Check Chip Version Tool

Prolific provides a tool program inside the driver package to check the chip version of your device: http://www.prolific.com.tw/US/ShowProduct.aspx?p_id=225&pcid=41

NOTE:

This tool will not work in Windows 8/8.1/10 if the PL-2303 device shows a yellow mark in Device

Manager. You need to use Windows 7 or XP to run the tool program for discontinued chip versions.

Prolific Technology Inc. - 11 of 17 - June 17, 2015

All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be reproduced or transmitted in any form by any means without the express written permission of the manufacturer.

PL2303 Windows Driver User

’s Manual

For Driver Installer v1.11.0 Release

For Microsoft Windows Operating Systems

Windows 8/8.1/10 Driver Installation

This section shows how to install the PL-2303 device in Windows 8 or 8.1 or 10 Operating System.

You can download the latest Driver Installer program from Prolific Support website: http://www.prolific.com.tw/US/ShowProduct.aspx?p_id=225&pcid=41

1.

Power on your computer and boot to Windows. Run or double-click the PL-2303 Windows Driver

Installer program. The InstallShield Wizard will be displayed to inform you that the PL-2303

USB-to-Serial driver will be installed on your computer. Click Next to continue.

Prolific Technology Inc. - 12 of 17 - June 17, 2015

All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be reproduced or transmitted in any form by any means without the express written permission of the manufacturer.

PL2303 Windows Driver User

’s Manual

For Driver Installer v1.11.0 Release

For Microsoft Windows Operating Systems

2.

The PL-2303 Driver Installer program will then start to install the drivers needed. Click the Finish button to close the InstallShield program.

3.

Plug in the USB to Serial adapter to the PC USB port. Windows should detect the driver as

“Prolific USB-to-Serial Comm Port”. Go to Device Manager and check for the device and the

COM port number assigned by Windows. You can also check the driver version by right-clicking on the “Prolific USB-to-Serial Comm Port” device and select Properties and Driver tab.

Prolific Technology Inc. - 13 of 17 - June 17, 2015

All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be reproduced or transmitted in any form by any means without the express written permission of the manufacturer.

PL2303 Windows Driver User

’s Manual

For Driver Installer v1.11.0 Release

For Microsoft Windows Operating Systems

4.

The COM Port number for the PL-2303 is assigned by the Windows Operating System. If you encounter a device that shows a yellow mark (Error Code 10), you need to check if that device is using an old version Prolific chip (PL-2303HXA or PL-2303XA) or a counterfeit chip. As mentioned in the previous sections, Prolific does not support old version chips in Windows 8.

Prolific Technology Inc. - 14 of 17 - June 17, 2015

All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be reproduced or transmitted in any form by any means without the express written permission of the manufacturer.

PL2303 Windows Driver User

’s Manual

For Driver Installer v1.11.0 Release

For Microsoft Windows Operating Systems

Uninstalling the PL-2303 Driver

To uninstall the PL-2303 driver, follow the below steps:

1.

Click Start – Control Panel – Programs – Programs and Features - Uninstall a Program. Look for the “PL-2303 USB-to-Serial” program and click the Uninstall (Remove) button.

2.

InstallShield Wizard will then start the maintenance program and will prompt you to choose if you want to modify, repair, or remove the driver. Click the Remove button and click Next to begin the driver uninstall.

Prolific Technology Inc. - 15 of 17 - June 17, 2015

All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be reproduced or transmitted in any form by any means without the express written permission of the manufacturer.

PL2303 Windows Driver User

’s Manual

For Driver Installer v1.11.0 Release

For Microsoft Windows Operating Systems

3.

The InstallShield Wizard will prompt you to confirm to uninstall. Click Yes to continue.

4.

Wait for the InstallShield Wizard to complete the uninstall process. When complete, click Finish to end the program. Wait for some few seconds until the “PL-2303 USB-to-Serial” program is removed from the Control Panel Uninstall (Add or Remove Programs) program list.

Prolific Technology Inc. - 16 of 17 - June 17, 2015

All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be reproduced or transmitted in any form by any means without the express written permission of the manufacturer.

PL2303 Windows Driver User

’s Manual

For Driver Installer v1.11.0 Release

For Microsoft Windows Operating Systems

5.

If you are using Windows Server versions, you may need to do this extra step if driver is not completely uninstalled. Plug back the PL2303 device to the computer and go to Device Manager and right-click “Prolific USB-to-Serial Comm Port”. Click Uninstall and click enable the checkbox

“Delete the driver software for this device”. Click OK to completely uninstall the driver.

Prolific Technology Inc. - 17 of 17 - June 17, 2015

All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be reproduced or transmitted in any form by any means without the express written permission of the manufacturer.

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