Prolific PL2303 Driver Update Utility |
Prolific USB-to-Serial Comm Port Driver |
Prolific PL-2303 - Cable (CA-42 Generic) Driver |
Prolific USB-to-Serial Comm Port Driver |
Prolific PL-2303 Driver |
Prolific PL-2303 Driver |
Prolific PL-2303 USB to Serial Bridge Controller Driver |
Bafo BF-810 Driver |
Prolific PL-2303 Driver |
Prolific PL2303 Driver |
Prolific PL 2303 Driver |
Prolific PL-2303 USB to Serial Bridge Controller Driver |
Pharos iGPS-360 Driver |
ST Lab USB TO SERIAL CABLE Driver |
Prolific USB-to-Serial Comm Port Driver |
Hioki E.E. Hioki 3554 Driver |
Pharos iGPS-360 Driver |
iConcepts™ PL 2303 Driver |
Prolific USB-to-Serial Bridge Driver |
Download the PL2303 Prolific DriverInstaller v1. Zip (and extract it. Download New PL-2303 Drivers: Click here to download the new Prolific named PL-2303 - Prolific - Driver - Installer -v10518. Zip, to reveal the PL-2303. Yes, it shows as COM 5 (or whatever I set it to in the driver) and yes. Prolific USB Drivers Download. VID067B&PID2303 for 'Prolific USB-to-Serial Comm Port' Driver Versions: -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: v3.3.11.152 Release Notes: - PL2303 Driver Installer v1.3.0 Changes from Installer v1.2.10.
If you have had recent power outages, viruses or other computer problems, it is likely that the drivers have become damaged. Browse the list above to find the driver that matches your hardware and operating system. To see more matches, use our custom driver search engine to find the exact driver.
Tech Tip: If you are having trouble deciding which is the right driver, try the Driver Update Utility for Prolific PL2303. It is a software utility that will find the right driver for you - automatically.
DriverGuide maintains an extensive archive of Windows drivers available for free download. We employ a team from around the world which adds hundreds of new drivers to our site every day.
Once you download your new driver, then you need to install it. To install a driver in Windows, you will need to use a built-in utility called Device Manager. It allows you to see all of the devices recognized by your system, and the drivers associated with them.
In Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager
In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose 'All Apps' -> swipe or scroll right and choose 'Control Panel' (under Windows System section) -> Hardware and Sound -> Device Manager
In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager
In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager
In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button
Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.
Select the Driver tab.
Click the Update Driver button and follow the instructions.
In most cases, you will need to reboot your computer in order for the driver update to take effect.
Visit our Driver Support Page for helpful step-by-step videos
If you are having trouble finding the right driver, stop searching and fix driver problems faster with the Automatic Driver Update Utility. Automatic updates could save you hours of time.
The Driver Update Utility automatically finds, downloads and installs the right driver for your hardware and operating system. It will Update all of your drivers in just a few clicks, and even backup your drivers before making any changes.
Once you download and run the utility, it will scan for out-of-date or missing drivers:
When the scan is complete, the driver update utility will display a results page showing which drivers are missing or out-of-date:
Next, update individual drivers or all of the necessary drivers with one click.
Many computer problems are caused by missing or outdated device drivers, especially in Windows 10. If your deskttop or laptop is running slow, or keeps crashing or hanging, there is a good chance that updating your drivers will fix the problem.
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PL-2303 Driver Setup Installer, Prolific Edition
Setup Installer Revision Note History
System Requirement:
. Supports the following Windows OSes:
- Windows 2000 SP4
- Windows XP SP2 and above (32 & 64 bit)
- Windows Server 2003 (32 & 64 bit)
- Windows Server 2008 / 2008 R2 (32 & 64 bit)
- Windows Vista (32 & 64 bit)
- Windows 7 (32 & 64 bit)
. USB host controller
. Device using PL-2303H/HX/X version chip
Supported device ID and product strings:
. VID_067B & PID_2303 for " Prolific USB-to-Serial Comm Port "
Driver Versions:
-------------------
- Windows 2000/XP/Server2003 (32 & 64-bit) WDM WHQL Driver: v2.0.16.166
- Windows Vista/7/Server2008 (32 & 64-bit) WDF WHQL Driver: v3.3.17.203
Release Notes:
---------------
PL2303 Driver Installer v1.4.17
Changes from Installer v1.3.0:
Installer & Build date: 1.4.17 (2011-5-24)
GUID:ECC3713C-08A4-40E3-95F1-7D0704F1CE5E
Windows 2000/XP/Server2003 Driver v2.0.16.166
----------------------------------------------
Driver Change from v2.0.13.130:
. Use different service name in INF file to avoid driver conflict with Vista/7 INF driver.
- change line in INF file to {Serial.SVCDESC = " Prolific Serial port WDMdriver " }
. Added 10ms delay (downstream buffer) on close COM port to fix customer MCU application.
. Added more baud rate support previously requested by customers:
-110bps
-5787bps
-256000bps
-56000bps
-2Mbps
-2.25Mbps
-3.2Mbps
-3333333bps
-4Mbps
-4.5Mbps
-5Mbps
-5333333bps
-6.6Mbps
-6.625Mbps
-8Mbps
Windows Vista/7/Server2008/Server2008R2 Driver Changes v3.3.17.203
------------------------------------------------------------------
Driver Change from v3.3.11.152:
. Use different service name in INF file to avoid driver conflict with XP INF driver.
- change line in INF file to {Serial.SVCDESC = " Prolific Serial port WDFdriver " }
. Added USB Selective Suspend power saving feature requested by Notebook PC vendors.
- Chip will go to sleep mode when idle for 10 seconds and COM port not open.
- Chip will NOT go to sleep mode when COM port is OPEN.
. Modify " SerialUndoExternalNaming " routine.
- Fix COM port is not removed in registry when device is unplug and program still open.
- update registry HKEY_LOCAL_MACHINEHARDWAREDEVICEMAPSERIAL COMM when unplug and replug.
. Added support for TransmitCommChar() function.
. Added SpinLock function to fix customer GPS application.
. Added more baud rate support previously requested by customers:
-110bps
-5787bps
-256000bps
-56000bps
-2Mbps
-2.25Mbps
-3.2Mbps
-3333333bps
-4Mbps
-4.5Mbps
-5Mbps
-5333333bps
-6.6Mbps
-6.625Mbps
-8Mbps
Language Support:
- English (default)
- Chinese (Traditional)
- Chinese (Simplified)
- Japanese
Prolific Technology Inc.
http://www.prolific.com.tw
PL-2303 (Chip Rev H, HX, X) USB to Serial Adapter
Windows Driver Installer Manual
For Windows 2000/XP/Vista/7 Operating Systems
Driver Installer v1.4.17 Release
Contents
Introduction
Features & Specifications
System Requirements
Installing the Device
Uninstalling the Device
Disclaimer
Introduction
The PL-2303 USB to Serial adapter is your smart and convenient accessory for
connecting RS-232 serial devices to your USB-equipped Windows host computer. It
provides a bridge connection with a standard DB 9-pin male serial port connector in
one end and a standard Type-A USB plug connector on the other end. You simply
attach the serial device onto the serial port of the cable and plug the USB connector
into your PC USB port. It allows a simple and easy way of adding serial connections
to your PC without having to go thru inserting a serial card and traditional port
configuration.
This USB to Serial adapter is ideal for connecting modems, cellular phones, PDAs,
digital cameras, card readers and other serial devices to your computer. And since
USB does not require any IRQ resource, more devices can be attached to the system
without the previous hassles of device and resource conflicts.
Finally, the PL-2303 USB to Serial adapter is a fully USB Specification compliant
device and therefore supports advanced power management such as suspend and
resume operations as well as remote wakeup. The PL-2303 USB Serial cable adapter
is designed to work on all Windows operating systems.
PL-2303 USB to Serial Adapter Installation Manual
Features & Specifications
?
Smart USB to RS-232 (DB 9-pin male serial port) interface
?
Supports various serial devices like modems, PDAs, cellular phones, digital
cameras, card readers, and more.
?
Easy Plug and Play Installation
?
Full Compliance with the Universal Serial Bus Specification v1.1
?
Supports the standard RS-232 Serial Interface
?
Supports automatic handshake mode
?
Supports Remote Wake-up and Intelligent Power Management
?
Provides Dual Buffers for upstream and downstream data transfer
?
No IRQ resource required
?
Bus Powered - no separate power supply or battery required
System Requirements
?
Windows 2000, Windows XP, Windows Vista, or Windows 7 operating system
?
AMD or Intel Pentium 133MHz or better based computer
?
USB 1.1 or higher port
?
USB-to-Serial Cable Adapter
?
USB-to-Serial Driver Installer Program
Page 1
PL-2303 USB to Serial Adapter Installation Manual
Installing the Device with InstallShield
This section will guide you on how to install the PL-2303 USB to Serial adapter under
Windows 7, Windows Vista, Windows XP, and Windows 2000 operating systems. You
can download the latest Driver Installer program from Prolific support website.
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 replug the device again for Windows to
enumerate the device and load the drivers installed.
The following steps will show how to install the device under Windows 7 Ultimate SP1
(64-bit) OS. Basically, the procedures are somewhat the same for all Windows
operating systems versions.
Page 2
PL-2303 USB to Serial Adapter Installation Manual
1.
Power on your computer and boot to Windows. Run or double-click the PL-2303
Driver Installer program.
2.
The InstallShield Wizard will be displayed on your screen to inform you that the
PL-2303 USB-to-Serial driver will be installed on your computer. Click Next to
continue.
3.
The PL-2303 Driver Installer program will then start to install the drivers needed.
Page 3
PL-2303 USB to Serial Adapter Installation Manual
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.
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.
Page 4
PL-2303 USB to Serial Adapter Installation Manual
6.
You can also check the driver version by right-clicking on the 'Prolific USB-toSerial Comm Port' device and select Properties and Driver tab.
Page 5
PL-2303 USB to Serial Adapter Installation Manual
Uninstalling the Device Driver
To uninstall the PL-2303 driver, follow the below steps:
1.
Click Start - Control Panel - Uninstall a Program (Add or Remove Programs).
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.
Page 6
PL-2303 USB to Serial Adapter Installation Manual
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.
Page 7
PL-2303 USB to Serial Adapter Installation Manual
Disclaimer
Information in this document is subject to change without notice. The manufacturer
does not make any representations or warranties (implied or otherwise) 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.
All brand names and product names used in this document are trademarks or
registered trademarks of their respective holders.
Page 8
PL2303_Driver_releasenote
PL-2303 Driver Setup Installer, Prolific Edition
Setup Installer Revision Note History
System Requirement:
. Supports the following Windows OSes:
- Windows 2000 SP4
- Windows XP SP2 and above (32 & 64 bit)
- Windows Server 2003 (32 & 64 bit)
- Windows Server 2008 / 2008 R2 (32 & 64 bit)
- Windows Vista (32 & 64 bit)
- Windows 7 (32 & 64 bit)
. USB host controller
. Device using PL-2303H/HX/X version chip
Supported device ID and product strings:
. VID_067B & PID_2303 for " Prolific USB-to-Serial Comm Port "
Driver Versions:
------------------- Windows 2000/XP/Server2003 (32 & 64-bit) WDM WHQL Driver: v2.0.16.166
- Windows Vista/7/Server2008 (32 & 64-bit) WDF WHQL Driver: v3.3.17.203
Release Notes:
--------------PL2303 Driver Installer v1.4.17
Changes from Installer v1.3.0:
Installer & Build date: 1.4.17 (2011-5-24)
GUID:ECC3713C-08A4-40E3-95F1-7D0704F1CE5E
Windows 2000/XP/Server2003 Driver v2.0.16.166
---------------------------------------------Driver Change from v2.0.13.130:
. Use different service name in INF file to avoid driver conflict with Vista/7 INF driver.
- change line in INF file to {Serial.SVCDESC = " Prolific Serial port WDMdriver " }
. Added 10ms delay (downstream buffer) on close COM port to fix customer MCU application.
. Added more baud rate support previously requested by customers:
-110bps
-5787bps
-256000bps
-56000bps
-2Mbps
-2.25Mbps
-3.2Mbps
-3333333bps
-4Mbps
-4.5Mbps
-5Mbps
-5333333bps
-6.6Mbps
-6.625Mbps
-8Mbps
Windows Vista/7/Server2008/Server2008R2 Driver Changes v3.3.17.203
-----------------------------------------------------------------Driver Change from v3.3.11.152:
. Use different service name in INF file to avoid driver conflict with Vista/7 INF driver.
- change line in INF file to {Serial.SVCDESC = " Prolific Serial port WDFdriver " }
. Added USB Selective Suspend power saving feature requested by Notebook PC vendors.
- Chip will go to sleep mode when idle for 10 seconds and COM port not open.
- Chip will NOT go to sleep mode when COM port is OPEN.
. Modify " SerialUndoExternalNaming " routine.
- Fix COM port is not removed in registry when device is unplug and program still open.
- update registry HKEY_LOCAL_MACHINEHARDWAREDEVICEMAPSERIAL COMM when unplug and replug.
. Added support for TransmitCommChar() function.
. Added SpinLock function to fix customer GPS application.
. Added more baud rate support previously requested by customers:
-110bps
-5787bps
-256000bps
?1?
PL2303_Driver_releasenote
-56000bps
-2Mbps
-2.25Mbps
-3.2Mbps
-3333333bps
-4Mbps
-4.5Mbps
-5Mbps
-5333333bps
-6.6Mbps
-6.625Mbps
-8Mbps
Language Support:
- English (default)
- Chinese (Traditional)
- Chinese (Simplified)
- Japanese
Prolific Technology Inc.
http://www.prolific.com.tw
?2?