PL-2303 Vista Driver, Prolific Edition Driver Revision Note History ======================================== System Requirement: . Windows Vista 32/64 bits versions . 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"

Release Notes: --------------PL2303 Vista driver v3.3.2.102, Prolific Edition Changes from v3.3.0.1: . Implement new driver naming method (major.minor.maintenance.build) . Fix PL2303HXD GPIO2/3 configuration value (modify the data transfer direct ion). . Fix PL2303HXD Product String Descriptor Issue. . Modify the fix for modem cannot dial-up issue. . Fix recognized fail issue of chip 2303HA (Xon/Xoff is not supported). . Fix customer meter device high-speed download issue. PL2303 Vista driver v3.3.0.1, Prolific Edition(***) Changes from v3.3.0.0: . Fix modem cannot dial-up issue. PL2303 Vista driver v3.3.0.0, Prolific Edition Changes from v3.2.0.0: . Fix repeat sending and receiving caused data lost issue. . Fix BSOD on continuous send/receive testing. (Such as invalid request received in SerialStartWrite). . Fix memory leakage while sending data. PL2303 Vista driver v3.2.0.0, Prolific Edition Changes from v3.1.0.0: . Fix communication error for immediately send data after opening COM port. . Fix HyperTerminal file transfer problem. . Fix BSOD on continuous open/close testing. . Fix repeat sending and receiving caused data lost issue. . COM port number will not increase after remove and reinstall. PL2303 Vista driver v3.1.0.0, Prolific Edition . Supports XA chip. Changes from v3.0.2.0: . Fix HyperTerminal Data Receiving error issue. Changes from v3.0.1.0: . Fix 'Yellow mark shown on legacy Com port after first installation' issue. . Fix 'ReadError in MSCOMM32.OCX' issue. . Remove icon from 'Safely Remove Hardware'. . Fix system crash issue while using PL-2303H device.

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