USB Cable Driver Setup Installer, Prolific Edition
Setup Installer Revision Note History
==================================================

System Requirement:
  . USB 1.1/2.0/3.0 Host Controller
  . Device using PL-2303H/HX/X version chips
  . Supports the following Windows OS Family:
	- Windows 2000 SP4
	- Windows XP SP2 and above (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)
	NOTE: 
	  - Windows 8 is NOT supported in HXA/XA chip versions (will show yellow mark Error Code 10).
	  - Windows 8 is supported only in following chip versions:
	      - PL2303HXD (HX Rev D)
 
Supported device ID and product strings:
  . VID_067B&PID_2303 for "Prolific USB-to-Serial Comm Port"

Driver Version:
-------------------
	- Windows 2000/XP/Server2003 (32 & 64-bit) WDM WHQL Driver: v2.1.35.211
	- Windows Vista/7/Server2008 (32 & 64-bit) WDM WHQL Driver: v2.1.35.211

Release Notes:
---------------
PL2303 Driver Installer v1.7.3
   Windows 2000/XP/Server2003 Driver v2.1.35.211
   Windows Vista/7/Server2008/Server2008R2/8 Driver Changes v2.1.35.211

PL2303 Driver Installer v1.6.1
 
   Changes from Installer v1.6.0:

   Installer & Build date: 1.6.1 (2012-5-3)
	GUID:ECC3713C-08A4-40E3-95F1-7D0704F1CE5E

   Windows 2000/XP/Server2003 Driver v2.1.30.193  
   ==============================================
	. No driver change from installer v1.6.0.


   Windows Vista/7/Server2008/Server2008R2/8 Driver Changes v2.1.30.193
   ====================================================================
	. Use WDM driver v2.1.30.193 rather than WDF driver v3.4.31.231.
	. Use this alternate driver only if there is problem with Driver Installer

PL2303 Driver Installer v1.6.0
 
   Changes from Installer v1.5.0:

   Installer & Build date: 1.6.0 (2012-4-26)
	GUID:ECC3713C-08A4-40E3-95F1-7D0704F1CE5E

   Windows 2000/XP/Server2003 Driver v2.1.30.193  
   ==============================================
	Driver Change from v2.1.27.185:
	------------------------------
	. Added driver support for new chip versions (PL2303EA, RA, SA).
	. Supports new CheckChipVersion v1.0.0.2 and above program for checking all Prolific chip version.
	. Fixed COM Port won't disappear when unplug PL2303 during data transfer (Write Timeout issue).
	. Fixed 12Mbps baudrate support for PL2303TB chip version.

	Driver Change from v2.0.16.166:
	------------------------------
	. Added driver support for Prolific next-gen USB-to-Serial chips (Codename TA/TB).
	   - old driver will not work on baudrates higher than 115200bps.
	. No driver functional difference for current H/HX/X chip versions.

	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. 	
   

   Windows Vista/7/Server2008/Server2008R2/8 Driver Changes v3.4.31.231
   ====================================================================
	Driver Change from v3.4.25.218:
	------------------------------
	. Added driver support for new chip versions (PL2303EA, RA, SA).
	. Supports new CheckChipVersion v1.0.0.2 and above program for checking all Prolific chip version.
	. Fixed COM Port won't disappear when unplug PL2303 during data transfer (Write Timeout issue).
	. Fixed Putty program BSOD issue on continuous transfer at 115200bps.
	. Fixed 12Mbps baudrate support for PL2303TB chip version.
	. Does NOT support Windows 8 for EOL chip versions (PL2303H, PL2303HXA, PL2303XA).
	. For Windows 8, need to use PL2303HXD, PL2303TA, PL2303EA, PL2303SA, PL2303RA, PL2303TB.

	Driver Change from v3.3.17.203:
	------------------------------
	. Added driver support for Prolific next-gen USB-to-Serial chips (Codename TA/TB).
	   - old driver will not work on baudrates higher than 115200bps.
	. No driver functional difference for current H/HX/X chip versions.

	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.
	      - requires to write Remote Wakeup in external EEPROM. 
	. 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. 

PL2303 Driver Installer v1.5.2
 
   Changes from Installer v1.5.0:

   Installer & Build date: 1.5.2 (2012-2-7)
	GUID:ECC3713C-08A4-40E3-95F1-7D0704F1CE5E

   Windows 2000/XP/Server2003 Driver v2.1.27.185  
   ----------------------------------------------
	. No driver change from installer v1.5.0.


   Windows Vista/7/Server2008/Server2008R2 Driver Changes 
   ------------------------------------------------------
	. Use WDM driver v2.1.27.185 rather than WDF driver v3.4.25.218.
	. Use this alternate driver only if there is problem with Driver Installer v1.5.0. 


USB Cable 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 v2.1.27.185  
   ----------------------------------------------
	Driver Change from v2.0.16.166:
	. Added driver support for Prolific next-gen USB-to-Serial chips (Codename TA/TB).
	   - old driver will not work on baudrates higher than 115200bps.
	. No driver functional difference for current H/HX/X chip versions.
	. Special Baudrate addition will only be supported by request for HXD and next-gen chip versions.

        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 v3.4.25.218
   ------------------------------------------------------------------
	Driver Change from v3.3.17.203:
	. Added driver support for Prolific next-gen USB-to-Serial chips (Codename TA/TB).
	   - old driver will not work on baudrates higher than 115200bps.
	. No driver functional difference for current H/HX/X chip versions.
	. Special Baudrate addition will only be supported by request for HXD and next-gen chip versions.

        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