PL2303 Windows Driver User’s Manual
For Driver Installer v1.7.0 Release
For Microsoft Windows Operating Systems
Prolific Technology Inc. - 1 of 20 - August 1, 2012
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 USB-to-Serial Bridge Chip Family
Windows Driver Installer User Manual
WHQL Driver Version Information
Driver Installer & Build date: 1.7.0 (2012-8-1)
GUID: ECC3713C-08A4-40E3-95F1-7D0704F1CE5E
Windows 2000 / Windows XP (32 & 64-bit) WDM WHQL Driver: v2.1.35.211
Compatible with Server 2003 (32 & 64-bit)
Windows Vista / Windows 7 / Windows 8 (32 & 64-bit) WDF WHQL Driver: v3.4.31.231
Compatible with Server 2008, Server 2008R2, Server 2012 (32 & 64-bit)
Drivers are also available via Windows Update (need Internet connection)
System Requirements
PC with USB 1.1/2.0/3.0 Host Controller (USB Port) and following Windows OS Family:
Windows 2000 SP4
Windows XP SP2 or SP3 (32 & 64 bit)
Windows Server 2003 (32 & 64 bit)
Windows Vista (32 & 64 bit)
Windows 7 (32 & 64 bit)
Windows Server 2008 / 2008 R2 (32 & 64 bit)
Windows 8 (32 & 64 bit)
Windows Server 2012 (32 & 64 bit)
USB Device with below PL-2303 chip versions and their supported OS Family:
Chip Version
Windows 2000 / XP
(32 & 64 bit)
Vista / Windows 7
(32 & 64 bit)
Windows 8
(32 & 64 bit)
PL-2303H
Yes
Yes
Not Supported*
PL-2303HX (Rev A) or HXA
Yes
Yes
Not Supported*
PL-2303X or XA
Yes
Yes
Not Supported*
PL-2303HX (Rev D) or HXD
Yes
Yes
Yes
PL2303TA
Yes
Yes
Yes
PL2303TB
Yes
Yes
Yes
PL2303EA
Yes
Yes
Yes
PL2303RA
Yes
Yes
Yes
PL2303SA
Yes
Yes
Yes
* - PL2303H, PL-2303HX (Rev A), and PL-2303X are EOL and discontinued chips and Prolific will not
provide Windows 8 driver support. New driver versions will show yellow mark (Error Code 10) in Device
Manager for these EOL chip versions under Windows 8. Prolific recommends using PL2303HXD chip.