Pnp0500 | Driver Link ((full))

"PNP0500," Elias whispered, his voice cracking from disuse. "The ghost of serial ports past."

For the vast majority of modern Windows users (Windows 10 and 11), . The driver for a PNP0500 device is already included in the operating system.

: While modern PCs use USB, many motherboards still include an internal header or chip (like Nuvoton or ITE) that uses this ID.

Look under Ports (COM & LPT) . If it has a yellow exclamation mark, it's missing a driver. Update Driver: Right-click the device -> Update driver . Choose Search automatically for drivers . Manual Install (If needed): pnp0500 driver link

You can find the datasheet for the PNP0500 driver link on the ON Semiconductor website: www.onsemi.com .

To help find the exact solution for your setup, please tell me:

If you look at the device in Device Manager, what is the exact text string listed there? AI responses may include mistakes. Learn more Share public link "PNP0500," Elias whispered, his voice cracking from disuse

If you downloaded a file from a manufacturer, choose and point to the folder containing the .inf file. Troubleshooting Common Issues Serial Port Driver - Code Samples - Microsoft Learn

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Click , then choose Install the hardware that I manually select from a list (Advanced) . : While modern PCs use USB, many motherboards

Both are identifiers for serial COM ports. PNP0500 generally refers to a "Standard PC COM port," while PNP0501 is its immediate successor, a "16550A-compatible COM port". For all practical purposes, they are interchangeable and use the same driver.

This is the safest and most straightforward method.

Deep in page 12 of a thread titled "Serial Woes," he saw a post from a user named ByteCommander77 .

Click and follow the prompts to complete the installation. Method 2: Update Your Chipset Drivers

The hardware ID "PNP0500" is not a specific product from a single manufacturer. Instead, it is a Microsoft Plug and Play (PnP) identifier used by the operating system to communicate with a standard hardware component. The term "PNP0500" is a standardized code that, according to Microsoft's own documentation, represents a . A COM port is a traditional serial port, often based on the widely used 16550 UART (Universal Asynchronous Receiver-Transmitter) chip. It is the interface computers have used for decades to connect to devices like serial mice, modems, GPS receivers, industrial equipment, and other specialized hardware. On modern systems, the PNP0500 device is often the legacy serial port controller, either physically present on the motherboard or emulated by the system's chipset. In essence, it is a core piece of hardware infrastructure built into almost all Windows-based PCs, from older desktops to modern industrial and embedded systems.