Windows 8不支持PL-2303HXA and PL-2303X EOL芯片。可以在Windows XP/Vista/7运行PL2303 CheckChipVersion来进行检查。Windows 98 and Windows ME下的驱动不再提供。Prolific建议购买PL-2303HXD (HX Rev D) or PL2303TA芯片。

使用老驱动后问题得以解决：

设备状态正常后使用checkChipVersion_v1006.exe查看芯片类型：找到元凶。

Windows 8 is NOT supported in PL-2303HXA and PL-2303X EOL chip versions. Run PL2303 CheckChipVersion tool program in Windows XP/Vista/7 to check chip version. Windows 98 and Windows ME driver support is discontinued and is no longer provided. Prolific recommends to buy PL-2303HXD (HX Rev D) or PL2303TA chip.

Linux内核版本在2.4.31及以上的已经包含了内建的PL-2303 (VID_067B&PID_2303)驱动。

Linux Kernel 2.4.31 and above already includes built-in drivers for PL-2303 (VID_067B&PID_2303).

System Requirement:

  . USB 1.1/2.0/3.0 Host Controller

  . Device using PL2303HX/X/EA/RA/SA/TA/TB version chips

  . PL-2303 Windows Driver Installer v1.8.0 or above

  . Supports the following Windows OS Family:

    - Windows XP SP2 and above (32 & 64 bit)

    - Windows Vista (32 & 64 bit)

    - Windows 7 (32 & 64 bit)

    - Windows 8/8.1 (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)

         - PL2303EA (ESD protection)

         - PL2303RA (Built-in transceiver)

         - PL2303SA (SOP8 package)

         - PL2303TA (PL2303HXA/XA replacement)

         - PL2303TB (12 GPIO)

Supported device ID and product strings:

  . VID_067B&PID_2303 for "Prolific USB-to-Serial Comm Port"

  . VID_067B&PID_2304 for "Prolific USB-to-Serial Comm Port" (PL2303TB chip)

  . Other VID/PID based on PL2303 chip.