Category Archives: PL2303-DB9

Before You Upgrade To Mac OS X 10.9 (“Mavericks”)

Update 10/22/14: With the release of 10.10 (Yosemite), unfortunately there’s not much improved USB graphics behavior to report, as the key issues outlined in this post still exist. We’ve posted an update regarding USB graphics and other USB device behavior with Yosemite that can be found here. DisplayLink has recently released an updated beta driver […]

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Prolific launches Android SDK for USB Serial Devices

Prolific has just announced the release of their USB serial adapter SDK for Android. We’ve just completed quick testing on an Android 4.1 tablet (Asus Transformer TF300) of the recently released Prolific USB Serial “QuickTest” App, using our Plugable USB Serial Adapter (which uses the Prolific PL2303HXD chipset). More details on the SDK are available […]

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OS X Mid-2012 MacBook USB and Graphics update

Good news Mac owners! Apple has released a graphics and USB focused update just for late model, Mid 2012 MacBook models including “all Mac notebooks released in June 2012.” This update “includes graphics performance and reliability enhancements and improves compatibility with some USB devices.” As with any OS X update, simply choose updates in the […]

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The Windows RT and Surface USB Device Compatibility Story

[Updated 11/20/2012] Microsoft’s official statement is “Windows RT uses class drivers and in-box drivers exclusively, departing from a common driver added scenario on the x64 or x86 architectures.” (see Microsoft policies). There is no DDK. Officially, installing drivers on Windows RT is not supported. That said, it turns out there is at least oneWindows ARM […]

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Installing a USB Serial Adapter on Mac OS X

The easiest way to go about installing our Plugable USB to Serial adapter is by starting with the device. If you want to verify that the adapter and the driver were installed properly click here Connect the device to the Mac. Once connected click on the Apple icon and on ‘About This Mac’ Click on […]

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Installing the Plugable USB to RS-232 DB9 Serial Adapter on Windows 7

Windows 7 will detect and pop up a wizard to install drivers when our Plugable USB to Serial adapter is plugged in, but it’s also easy (as essential on other operating systems) to install the driver software first. Here’s how. Get the driver from: http://plugable.com/drivers/prolific/ You’ll want to download the driver and unzip it anywhere […]

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How to change the COM port for a USB Serial adapter on Windows 7, 8, 8.1, and 10

Start by going to the Device Manager. Once there do the following: Expand the Ports ‘(COM& LPT)’ You should be looking at something like this: As you can see Windows has set the port to COM10. However many legacy applications expect the port to be between 1-4. Let’s change that: Right click on the device […]

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