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_MACHINE\HARDWARE\DEVICEMAP\SERIAL 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
