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Download >> USB 2.0 and Firewire >> USB to I/O Port Controllers >> PL-2303 Software and Drivers
PL-2303 Software and Drivers
Filename Release Date Version File Size

EULA.pdf 2009/12/3 22 KB

End User License Agreement ("EULA")

Do not install or use any software from Prolific website until you have read and accepted all of the license terms. Permission to use the software is conditional upon your agreeing to the license terms. Installation or use of the software by you will be deemed to be acceptance of the license terms. Acceptance will bind you to the license terms in a legally enforceable contract with Prolific Technology Inc.

NOTE: Prolific does not manufacture any end-user cable products and does not provide exclusive support to end-users. Prolific highly suggest end-users to contact the user product manufacturer for service and support. Please read the End-User License Agreement (EULA) before downloading any software or drivers from Prolific website.



PL2303_Prolific_DriverInstaller_v110.zip 2009/12/2 v1.1.0 2318 KB

PL-2303 USB to Serial Bridge (H, HX, X) Installshield Driver Setup Program
Installer version & Build date: 1.1.0 (2009-12-02)
Windows 98/ME Driver: v2.0.0.19
Windows 2000/XP/Server2003 (32 & 64-bit) WDM WHQL Driver: v2.0.13.130
Windows Vista/7/Server2008 (32 & 64-bit) WDF WHQL Driver: v3.3.10.140
NOTE: For Windows 7, please use RC build 7100 or RTM 7600 Final version. (Installer program will not run on early Windows 7 or Beta versions)

Language Support: English (default), Chinese (Traditional), Chinese (Simplified), Japanese

For Prolific USB VID_067B&PID_2303 Only

Contact our worldwide distributors for cable product reference.


PL2303_Prolific_GPS_1013_20090319.zip 2009/3/20 v1.0.1.3 2209 KB

PL-2303 USB to Serial Bridge (H, HX, X) Installshield Driver Setup Program
Installer & Build date: 1.0.1.3 (20090319)
Windows 98/ME Driver: v2.0.0.19
Windows 2000/XP/Server2003 (32-bit) Driver: v2.0.5.111
Windows Vista/7/Server2008 (32 & 64-bit) Driver: v3.3.2.105
NOTE: For Windows 7, please use RC build 7100 or above.
For Prolific USB VID_067B&PID_2303 Only
Note: Use this driver ONLY to fix GPS Device detected as Microsoft Serial Ballpoint Issue.


PL2303_WinCE50_x86_v1009.CAB 2008/6/23 v1.0.0.9 29 KB

PL-2303 (H, HX, X chip version) WinCE 4.2-5.2 Driver for x86 Standard SDK
Also for Windows Mobile 6, Windows Mobile 5, PocketPC 2003.
NOTE: Check \HKEY_LOCAL_MACHINE\Drivers\Active\USBSER folder in registry for the COM port number.


PL2303_WinCE50_ARM_v1009.CAB 2008/6/23 v1.0.0.9 34 KB

PL-2303 (H, HX, X chip version) WinCE 4.2-5.2 Driver for ARM/xScale Processor Standard SDK
Also for Windows Mobile 6, Windows Mobile 5, PocketPC 2003.
NOTE: Check \HKEY_LOCAL_MACHINE\Drivers\Active\USBSER folder in registry for the COM port number.


md_pl2303H_HX_X_dmg_v1.2.1r2.zip 2007/3/21 v1.2.1r2 62 KB

PL-2303 (H, HX, X chip version) Mac OS X Universal Binary Driver v1.2.1r2 (DMG file format), Prolific Edition
For Mac OS 10.1 and above for PowerPC based Mac
For Mac OS X 10.4.x and 10.5.x for PowePC and Intel based Mac
For Mac OS X 10.6.x for Intel based Mac (32-bit only)



md_pl2303_Mac8_9_v136b1.zip 2005/7/19 v1.3.6b1 10 KB

PL-2303 (H, HX, X chip version) Mac OS 8 & 9 driver v1.3.6 build 1, Prolific Edition


ld_pl2303_v0728.rar 2005/2/4 v0728 19 KB

PL-2303 (Chip H/HX/X) Linux driver for RedHat 7.3/8.0/9.0 Only.
NOTE: No need to install drivers for following:
Linux Kernel 2.4.10 and above already includes built-in drivers for PL-2303H.
Linux Kernel 2.4.31 and above already includes built-in drivers for PL-2303H, PL-2303XA/HXA and PL-2303HXD.


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