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Download >> USB 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 2009/4/21 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.


PL2303_Prolific_DriverInstaller_10311.zip 2009/4/13 v1.0.3.11 2283 KB

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.

PL-2303 USB to Serial Bridge (H, HX, X) Installshield Driver Setup Program
Installer & Build date: 1.0.3.11_20090410
Windows 98/ME Driver: v2.0.0.19
Windows 2000/XP/Server2003 (32-bit) Driver: v2.0.5.111
Windows Vista/Server2008 (32 & 64-bit) Driver: 3.3.3.114
Windows 7 (32-bit) Driver: 3.3.3.114
Language Support: English (default), Chinese (Traditional), Chinese (Simplified), Japanese

For Prolific USB VID_067B&PID_2303 Only

Prolific recommends to purchase from following Cable Makers:
(1) ATEN UC232A USB to Serial
(2) I-O Data USB to RS232C
(3) Belkin USB to Serial
(4) Elecom USB to RS232C
(5) BAFO USB to Serial Adapter

Or contact our worldwide distributors for more reference.

Also check out updates on FAQ webpage.


PL-2303 Driver Installer for GPS.zip 2008/6/30 v2.0.2.5 1447 KB

PL-2303 USB to Serial Bridge (H, HX, X) Installshield Driver Setup Program
v2.0.2.5 for Win2K/XP/2003 (XP Logo Certified)
For Prolific USB VID_067B&PID_2303 Only
Note: Use this driver ONLY to fix GPS Device detected as Microsoft Serial Ballpoint Issue.


wd_pl2303h-hx-x_64-bit_v2018.zip 2008/6/25 v2.0.1.8 197 KB

PL-2303 (H, HX, X chip version) Windows XP and Server 2003 64-bit Driver (Not WHQL driver)


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 MacOS 10.1 and above for PowerPC based Mac
For MacOS 10.4 and above for PowePC and Intel based Mac
Supports Mac OS X 10.5 and above for PowerPC and Intel based Mac



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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