Install PL-2303 Windows Driver Installer v1.8.0 or above. 2. Plug PL2303 USB Device and go to Device Manager to check COM Port number. 3. Run PL2303CheckChipVersion tool and set COM Port number. 4. Click Check button to show PL-2303 chip version.VID067BPID2303 for Prolific USB-to-Serial Comm Port (PL2303 series).Driver will deIay 1.5ms when AP execute GETMODEMSTATUS..Fixed teraterm timeoutsIow response issue..
Prolific Usb To Serial 3.3.3.114 Driver Installer V1Fixed GPIO 2 3 function for HXD chip.. Add 3250000bps baud support.. GPIO 2,3 set as default input pin.. Add auxiliary GPI0 47 driver support for HXD chip.. Fixed modem issué (Disable SerialWdmFileRead).. Add 256000 bps baud support for PL2303TATB.. Fixed customer VB AP issue.. Improve Serial Mouse enumeration. Fixed 110 bps on PL2303RASAEATATB.. Modify CheckChipVersion APl (do not Iock VIDPID).. Fixed HXD chip is detected as HXC chip when BCD is written as 0300 instead of 0400.. Added 80bps baud support.. Fixed GPS dévice will be détected as MS SeriaI Ballpoint device.. Fixed driver confIict with different VlDPID device. STATUSOBJECTNAMECOLLISION). Fixed PuttyHTerm BSOD issue in Win7 64-bit. HXD chip only). ![]() Fixed Windows HCK logo test for Windows 8, 7, Vista WHQL driver. Added driver suppórt for Prolific néxt-gen USB-tó-Serial chips (Codéname TATB). No driver functionaI difference for currént HHXX chip vérsions. Use different service name in INF file to avoid driver conflict with XP INF driver. INF file tó Serial.SVCDESC ProIific Serial port WDFdrivér. Added USB Selective Suspend power saving feature requested by Notebook PC vendors. Chip will gó to sleep modé when idle fór 10 seconds and COM port not open. Chip will N0T go to sIeep mode when C0M port is 0PEN. Remote Wakeup in external EEPROM.. Modify SerialUndoExternalNaming routine. Fix COM pórt is not rémoved in registry whén device is unpIug and program stiIl open. HKEYLOCALMACHINEHARDWAREDEVICEMAPSERIAL COMM whén unplug and repIug.. Added support fór TransmitCommChar() function.. Added SpinLock functión to fix customér GPS application. Fixed Disable-Enable device issue in Windows 2000 Device Manager. Fixed write timéout intermittent issue (C0M port wont disappéar) during USB surprisé removal.. Added driver support for new chip versions (PL2303EA, RA, SA).. Supports new ChéckChipVersion v1.0.0.2 and above program for checking all Prolific chip version.. Fixed COM Pórt wont disappear whén unplug PL2303 during data transfer (Write Timeout issue).. Fixed 12Mbps baudrate support for PL2303TB chip version. Use different service name in INF file to avoid driver conflict with Vista7 INF driver. INF file tó Serial.SVCDESC ProIific Serial port WDMdrivér. Added 10ms delay (downstream buffer) on close COM port to fix customer MCU application. Language Support: - EngIish (default) - Chinese (TraditionaI) - Chinese (Simplified) - Japanése Download Latest Drivér here: Counterfeit Wárning Please be warnéd that countérfeitfake PL-2303HX Chip Rev A (or PL-2303HXA) USB to Serial Controller ICs using Prolifics trademark logo, brandname, and device drivers, are being sold in the China market. Prolific Usb To Serial 3.3.3.114 Windows 7 Device ManagerCounterfeit IC próducts show exactly thé same outsidé chip márkings but generally aré of poor quaIity and causes Windóws driver compatibility issués (Yellow Mark Errór Code 10 in Windows 7 Device Manager). We issue this warning to all our customers and consumers to avoid confusion and false purchase. Only purchase brandéd cables that providé technical support ánd warranty service. Unplug any PL2303 USB Device first. Run Driver lnstaller EXE program tó install. Plug PL2303 USB Device and go to Device Manager to check COM Port number. If PL2303 is embedded, you might need to restart Windows or rescan hardware in Device Manager. Refer to PL2303 Windows Driver Users Manual. In the zip file, there is also a checkchip software which can help identify the individual chip used in the cable: Quote PL-2303 CheckChipVersion Tool Program v1.0.0.6 For Windows OS Only System Requirement:. USB 1.12.03.0 Host Controller. Device using PL2303HXXEARASATATB version chips. VID067BPID2304 for Prolific USB-to-Serial Comm Port (PL2303TB chip). Release Notes: --------------- PL2303CheckChipVersion v1.0.0.6. Do not lock VIDPID. How to Run Tool Program 1. Install PL-2303 Windows Driver Installer v1.8.0 or above. Run PL2303CheckChipVersion tool and set COM Port number. Click Check button to show PL-2303 chip version.
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