If you are seeing a "PCI Simple Communications Controller" with a missing driver in your Device Manager, this guide will help you identify, install, and troubleshoot the PCI 60806A driver. What is the PCI 60806A?
Open , right-click the device, and select Update driver . Choose Browse my computer for drivers .
Click to let Windows locate and read the .inf configuration file to install the driver. Step 3: Troubleshooting Common Installation Errors
The PCI 60806A is a generic PCI-to-Serial/Parallel card, usually employing WCH CH35X or CH38X series chips, that often appears as an "Unknown Device" in Windows. Drivers can be installed by downloading the CH35X series driver from the WCH manufacturer website, or by manually installing via Device Manager using identified Hardware IDs. pci 60806a driver
The phrase "PCI 60806A" is typically printed directly on the PCB (Printed Circuit Board) of the expansion card rather than representing an official regulatory model number. It is a manufacturing or board layout identifier used by generic hardware factories in Asia.
This error indicates the driver for your PCI 60806A card is not installed.
Finding the correct driver for legacy hardware can be a frustrating experience. If you are searching for the , you are likely dealing with an older expansion card—often a PCI-to-Serial, PCI-to-Parallel, or multi-I/O controller card. These cards are frequently powered by chipsets from manufacturers like MosChip (MCS9865 or MCS9835), NetMos, or WCH. If you are seeing a "PCI Simple Communications
: If the driver fails to install on Windows 10 or 11, try running the installer in Compatibility Mode for Windows 7 or XP. BIOS Settings
The is a legacy multi-port serial card, typically manufactured by brands like MosChip, MCS9865, or SUNIX. It allows a desktop computer to add up to 4, 6, or 8 additional RS-232 (serial) ports via a single PCI slot. These cards are essential in industrial automation, POS systems, legacy medical equipment, network device configuration, and embedded systems where serial communication is still critical.
Once installed, the device should appear under without any warning symbols. If you are using it for a printer, you may need to manually configure the LPT port address in your printing software. Choose Browse my computer for drivers
This article provides a definitive guide to identifying, downloading, installing, and troubleshooting the PCI 60806A driver on Windows 10, Windows 11, Linux, and legacy OSes like Windows XP.
It usually leads to frustration: What is this device? Is it dangerous? Why is my sound or USB port not working?