![]() NOTE#2: User can download PL2303 driver on Mac APP store. Go to System Preferences - Security & Privacy and click Allow. NOTE#1: Mac OS High Sierra 10.13 introduces a new feature that requires user approval before loading new third-party kernel extensions. Mac OS X Universal Binary Driver v2.2.2 (PKG file format)įor Mac OS Big Sur (version 11) - see NOTE#1 belowįor PL2303 H/HX/HXD/EA/RA/SA/TA/TB chip versionsįor PL2303GC, GS, GT, GL, GE, GD, GR chip versions Installer supports silent install (add "/s" parameter when running program) Includes Certification Report, User Manual, Driver Release Notes, CheckChipVersion Tool The software lies within System Utilities, more precisely Drivers. This free software is an intellectual property of Prolific Technology Inc. For Prolific USB VID_067B&PID_2303, PID_2304, PID_23A3, PID_23B3, PID_23C3,PID_23D3,PID_23E3,PID_23F3,PID_2323. This free PC program was developed to work on Windows XP, Windows XP Professional, Windows Vista, Windows 7, Windows 8, Windows 10 or Windows 11 and can function on 32 or 64-bit systems. Installer Language Support: English (default), Auto-download driver via Windows Update (Windows 7, 8.1, 10) (For PL2303 HXD, SA, TA, TB, RA GC, GS, GT, GL, GE, GD, GR versions) Auto-download driver via Windows Update (Windows 11) Windows 11 Certified WHQL Driver ( 22H2 versions) ![]() (For PL2303 HXD, SA, RA GC, GS, GT, GL, GE, GD, GR versions) Installer version & Build date: 4.1.0.0 () Despite the fact Profilic clearly states that these chipset are not supported with the latest Windows, forcing users to purchase new adapters powered by their new chipsets, we’ve proven that this is not true and showed how to make the old Profilic USB-to-Serial adapter work with the drivers available on Firewall.cx.Windows Driver Installer Setup Program ( Win7 / Win8.1 / Win10 / Win11) This article showed how successfully install your old USB-to-Serial adapter based on the Profilic PL-2303HXA & PL-2303X chipsets on Windows 8 and Windows 8.1 operating systems. Once complete, Windows will confirm the successful installation of our driver as shown below:Ĭlosing the window, we return back to the Device Manager where we’ll notice the exclamation mark has now disappeared and our old ‘Unsupported’ USB-to-Serial adapter is fully operational:įigure 8. Next, select the driver version 3.3.2.102 dated as shown below and click Next:įigure 6. Select Let me pick from a list of device drivers on my computer Next, browse to the folder where you’ve unzipped the provided drivers, click on the Include Subfolders option and select Let me pick from a list of device drivers on my computer:įigure 5. Select Browse my computer for driver software Next, select Browse my computer for driver software from the next window:įigure 4. Prolific Adapter Error Code 10 Getting That Good-old USB-to-Serial Adapter To WorkĪssuming you’ve successfully downloaded and unzipped the Profilic Windows 8/8.1 圆4bit drivers from our Administrative Tools section, go back to the Device Manager and right click on the Prolific USB-to-Serial Comm Port with the exclamation mark and select Update Driver Software:įigure 3. Prolific Adapter in Device ManagerĪ closer look at the properties of the USB-to-Serial adapter reveals the popular Code 10 error which means that the device fails to start:įigure 2. ![]() As expected, the operating system listed the hardware under Device Manager with an exclamation mark:įigure 1. We took our old USB-to-Serial adapter and plugged it in our ultrabook running Windows 8.1. Make sure to download our Profilic Windows 8/8.1 圆4bit Drivers from our Administrative Tools section The truth is that PL-2303HXA & PL-2303X chipsets are fully supported under Windows 8 and Windows 8.1 and we’ll show you how to make use of that old USB-to-Serial adapter that might also hold some special sentimental value. With the arrival of Windows 8, Windows 8.1 and upcoming Windows 10, Profilic has announced that these operating systems will not support USB-to-Serial adapters using the PL-2303HXA & PL-2303X chipsets, forcing thousands of user to buy USB-to-Serial adapters powered by the newer PL-2303HXD ( HX Rev D) or PL2303TA chipset. The most common USB-to-Serial adapters in the market are based on Profilic’s PL2303 chipset. Thanks to the absence of dedicated serial ports on today’s laptops and ultrabooks, USB-to-Serial adapters are very popular amongst Cisco engineers as they are used to perform the initial configuration of a variety of Cisco equipment such as routers, catalyst switches, wireless controllers (WLC), access points and more, via their Console Port.
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