Always download the CH382L driver from WCH’s official website (www.wch.cn). Third-party “driver updater” tools often bundle adware or incorrect drivers.
If your parallel device requires precise timing or EPP mode, the CH382L driver (version 3.0 or later) is mature and stable. For new installations, Windows 10/11 will automatically pull a basic driver via Windows Update, but the full WCH package adds configuration tools and enhanced mode support.
Last updated: October 2025 – Drivers verified for CH382L revision A/B.
The WCH CH382L is a bridge between eras—a specialized piece of silicon designed by Nanjing Qinheng Microelectronics to ensure that modern computers, stripped of "legacy" ports, can still speak to the industrial and artistic machines of the past.
Here is the "deep story" of the hardware, along with the official path to the drivers you need. The Official Driver Source
The current driver package for the CH382 series (including the CH382L) is maintained by the manufacturer, WCH (Nanjing Qinheng). Download Link: CH38XDRV.ZIP (Official Site) Alternative EXE: CH38XDRV.EXE
Support: These drivers are WHQL certified and support everything from Windows 11 back to Windows 98 and Linux. The Backstory: The "Ghost" in the Machine
The CH382L isn't just a simple cable adapter; it is a PCI Express bus converter.
The Survival of the Parallel Port: While the world moved to USB, the parallel port (DB25) remained the lifeline for heavy-duty CNC machines, high-precision plotters, and classic impact printers. These devices require the stable, low-latency timing that USB often fails to provide.
The CH382L Specialty: Unlike its sibling (the CH382), the L variant is often found on single-port parallel cards. It functions as a translator, taking high-speed PCIe signals and slowing them down to the steady, rhythmic beat of the IEEE 1284 protocol.
Industrial Resilience: Because these chips are frequently used in industrial environments, they are built to withstand high temperatures and provide features like automatic hardware flow control to prevent data loss during critical transmissions. Installation Highlights
Modes: The CH382L supports standard modes (SPP), but also the more advanced EPP (Enhanced Parallel Port) and ECP (Extended Capabilities Port) for faster, bi-directional data flow.
Automatic Setup: The chip is designed to automatically select its own IRQ and I/O addresses, which traditionally caused "resource conflicts" in older systems.
Are you setting this up for a specific piece of legacy equipment, like a CNC or a vintage printer, and need help with the configuration? CH38XDRV.ZIP - Nanjing Qinheng Microelectronics Co., Ltd.
The official driver for the WCH CH382L (a PCI-Express to dual serial and parallel port chip) is the CH38XDRV.EXE
, available from the manufacturer, Nanjing Qinheng Microelectronics. This package includes the Windows driver and an EEPROM configuration tool. Official Download Link CH38XDRV.EXE (v1.5)
: Official site for the CH382/CH384 driver installation package. Supported Operating Systems The driver supports a wide range of platforms, including: Windows (32/64-bit)
: Windows 11, 10, 8.1, 8, 7, Vista, XP, and older versions like 2000, ME, 98, and NT 4.0. Windows Server : Server 2022, 2019, 2016, 2012, 2008, and 2003.
: Supported via the Linux Kernel (native support is often included in versions 4.15 or above). Driver Features & Specifications Multi-Function Support
: The driver handles various configurations, including PCIe to dual UARTs (serial), PCIe to printer/parallel port, and combinations such as 2S1P (2 serial and 1 parallel). Hardware Capabilities
: Supports high-speed serial rates up to 8Mbps and parallel port modes including SPP, EPP, and ECP. Certifications
: The drivers are Microsoft WHQL Certified, ensuring stability and compatibility for modern Windows environments. Installation Guide : Obtain the CH38XDRV.EXE Run Installer
: Launch the executable. It is a "one-key installation" tool that typically automates the process. Device Manager
on Windows. Look for "Ports (COM & LPT)" to see the newly added LPT or COM ports. Troubleshooting
: If the device is not recognized, ensure the card is seated correctly in the PCIe slot. For older DOS systems, WCH provides a configuration application to set specific I/O port addresses like 0x378 or 0x278. Technical Documentation
For hardware configuration and pinout details, you can download the CH382 Datasheet (PDF) specific address configuration for use with legacy software or LinuxCNC? CH38XDRV.EXE - Nanjing Qinheng Microelectronics Co., Ltd.
Finding the right driver for a WCH CH382L parallel port card is a common hurdle for users trying to bridge the gap between modern PCIe slots and legacy hardware. Since the CH382L is a specialized chip designed by WinChipHead (WCH) to provide both serial and parallel port functionality, the driver installation process is more technical than a standard "plug-and-play" experience. Understanding the CH382L Chip
The CH382L is a high-performance PCI-Express to dual-serial and parallel port controller. It is frequently found on budget-friendly expansion cards used to connect older printers, scanners, or industrial equipment to modern computers. Because modern operating systems like Windows 10 and 11 do not always include these specific drivers in their default library, manual installation is usually required to make the "LPT" port visible in the Device Manager. Where to Find the Driver
To ensure system stability and security, it is best to avoid third-party "driver updater" websites which often bundle malware. There are two reliable sources:
The Official WCH Website: The manufacturer’s site (wch-ic.com) hosts the most current version. Look for the CH38X series driver package, as the CH382, CH382L, and CH384 often share the same installer.
Included Mini-CD: Most of these PCIe cards come with a small driver disc. While many modern PCs lack a disc drive, the "CH38X" folder on that disc contains the exact .inf files needed. Installation Process
Once you download the driver (usually a ZIP file), the process typically involves:
Running the Setup.exe: Most WCH packages include a simple installer that automates the process.
Manual Update: If the installer fails, you can go to Device Manager, right-click the "PCI Device" with the yellow exclamation mark, select "Update Driver," and point it to the folder containing the downloaded files.
Verification: After a successful install, a new entry should appear under "Ports (COM & LPT)" labeled as "WCH PCI Express Parallel Port (LPT1)." Troubleshooting Common Issues
If the driver is installed but the device still won't work, the issue is often the I/O Address. Older software sometimes expects the parallel port to be at a specific legacy address (like 0378). Because PCIe cards assign addresses dynamically, you may need to go into the driver’s "Advanced" properties in Device Manager to manually reassign the port number or check the "Enable legacy plug and play" box.
In conclusion, while the WCH CH382L is a robust solution for legacy support, it requires the specific CH38X driver package to function. By sourcing the driver directly from the manufacturer and verifying the port settings in Windows, users can successfully keep their vintage hardware running on modern systems.
WCH CH382L is a high-performance, single-chip PCI-Express (PCIe) bus converter designed by Nanjing Qinheng Microelectronics (WCH) wch ch382l parallel port driver download
to bridge modern computer systems with legacy parallel and serial port peripherals. This essay explores the technical specifications, download procedures, and installation of the CH382L driver. 1. Technical Capabilities of the CH382L
The CH382L chipset is primarily used in PCIe expansion cards to provide one IEEE 1284-compliant parallel port and/or dual 16C550-compatible serial ports. Performance:
It supports a data transfer rate of up to 1.5 Mbps for parallel ports and up to 8 Mbps for serial communication. Operating Modes:
The parallel port supports multiple IEEE 1284 modes, including SPP, Nibble, Byte, PS/2, EPP, and ECP.
Featuring a native single-chip design, it reduces CPU load by up to 48% compared to older bridge-chip designs, ensuring high reliability for industrial applications like CNC machinery and barcode scanners. 2. Driver Acquisition and Compatibility
To ensure the hardware is recognised by the operating system, downloading the correct driver is essential. The official driver package, CH38XDRV.EXE , is available directly from the WCH official download page The driver supports a wide range of operating systems: CH38XDRV.EXE - Nanjing Qinheng Microelectronics Co., Ltd.
WCH CH382L Parallel Port Driver Download: The Complete Setup Guide
If you've recently upgraded your PC or need to connect legacy equipment like printers, scanners, or CNC machines to a modern computer, you likely have a WCH CH382L-based PCI Express card. The CH382L chipset by Nanjing Qinheng Microelectronics (WCH) is a high-performance solution for adding DB25 parallel (LPT) and RS232 serial (COM) ports to systems that lack them natively.
This article provides the direct download links and a step-by-step guide to installing the WCH CH382L parallel port driver on Windows and Linux. 1. Where to Download the WCH CH382L Driver
The most reliable source for drivers is the official manufacturer. For the CH382L chipset, use the following official download:
Official Windows Driver (CH38XDRV.EXE): Download from WCH-IC.com Version: 1.5 (or latest available)
Supports: Windows 11, 10, 8.1, 8, 7, Vista, XP, and Server (32/64-bit).
Linux Drivers: Most modern Linux kernels (4.15 and above) include native support for the CH382L. If your card isn't recognized, you can find manual driver sources on the WCH official downloads page. 2. Key Features of the CH382L Chipset
Understanding your hardware helps ensure you are using the correct driver. The CH382L is designed for industrial-grade reliability and high-speed data transfer. Bus Interface: PCIe 1.1 x1.
Port Protocols: Supports SPP, PS2, EPP, and ECP parallel port modes. Data Rate: Up to 8Mbps baud rate.
Compatibility: Fully compatible with IEEE 1284 standards for printers and other parallel peripherals. 3. Installation Guide for Windows (Manual Method)
Sometimes the automatic installer fails, or you prefer a manual approach through Device Manager. CH38XDRV.EXE - Nanjing Qinheng Microelectronics Co., Ltd.
The WCH CH382L is a native PCI Express single-chip solution used to add parallel (LPT) and serial (COM) ports to modern computers. Whether you are setting up a legacy printer, a CNC machine, or an industrial scanner, having the correct driver is essential for communication between your OS and the hardware. Official Driver Download
For most Windows and Linux users, the official driver package from the manufacturer, Nanjing Qinheng Microelectronics (WCH), is the safest and most reliable source. Download Link: CH38XDRV.EXE (Official WCH Site) Version: 1.5 (or latest available) File Size: ~5.85 MB Supported Systems:
Windows: 11, 10, 8.1, 8, 7, Vista, XP, and Server versions (2003–2022) in both 32-bit and 64-bit architectures.
Linux: Supported natively in newer kernels (4.15+), though a separate driver is available for older versions. Installation Guide for Windows
Preparation: Plug your PCIe card into an available slot on the motherboard before booting.
Run the Installer: Download and launch CH38XDRV.EXE. Click Install to automatically register the driver. Manual Update (if needed): Open Device Manager (right-click Start > Device Manager).
Look for "PCI Parallel Port" with a yellow exclamation mark.
Right-click it, select Update driver, and point it to the folder where you extracted the WCH files.
Verification: Once installed, your parallel port should appear under Ports (COM & LPT) as "WCH PCI Express => Parallel Port (LPT1)". Linux Configuration CH38XDRV.EXE - Nanjing Qinheng Microelectronics Co., Ltd.
Introduction
The WCH CH382L is a parallel port controller chip developed by WinChipHead (WCH), a company specializing in designing and manufacturing ICs for various applications. The CH382L chip is commonly used in parallel port-based devices, such as printers, scanners, and other peripherals. To utilize the CH382L chip, users need to download and install the appropriate driver software. This report provides an overview of the WCH CH382L parallel port driver download process.
Driver Overview
The WCH CH382L parallel port driver is a software component that enables communication between the operating system and the CH382L chip. The driver allows the operating system to recognize and interact with devices connected to the parallel port, facilitating data transfer and device control. The driver supports various operating systems, including Windows, Linux, and macOS.
Downloading the Driver
Users can download the WCH CH382L parallel port driver from the official WCH website or other reputable sources. The driver is typically provided in a compressed file format, such as ZIP or RAR, and is available in different versions for various operating systems.
Steps to Download and Install the Driver
To download and install the WCH CH382L parallel port driver, follow these steps:
Driver Installation and Configuration
After installing the driver, users may need to configure the parallel port settings to ensure proper device operation. This may involve:
Troubleshooting
Common issues with the WCH CH382L parallel port driver download and installation process include:
Conclusion
In conclusion, the WCH CH382L parallel port driver download process involves obtaining the driver software from the official WCH website or other reputable sources, extracting and installing the driver, and configuring the parallel port settings as needed. By following these steps, users can successfully install the driver and enable communication between their operating system and CH382L-based devices. If issues arise, troubleshooting steps can help resolve common problems.
If you are using Linux (e.g., for a server or older hardware interface), you do not need to download a driver file. The kernel includes support.
wget http://www.wch.cn/downloads/CH382LINUX_ZIP.html unzip CH382LINUX_ZIP.zip cd CH382LINUX/driver make sudo make install sudo modprobe ch382
Verify with: dmesg | grep parport
Related search suggestions provided.
Complete Guide to WCH CH382L Parallel Port Driver Download The WCH CH382L is a high-performance chipset designed by Nanjing Qinheng Microelectronics that converts a PCI-Express bus into dual serial ports and a single printer/parallel port. Whether you are setting up legacy industrial equipment, CNC machines, or older printers, finding the correct driver is essential for system compatibility. 1. Where to Download the WCH CH382L Driver
For maximum security and stability, always use official sources. The driver is typically bundled in a general "CH38X" installation package that supports multiple configurations (PCIE to Dual UART, PCIE to Parallel, etc.).
Official Manufacturer Download: You can find the latest installation package at the WCH Official Download Page. File Name: CH38XDRV.ZIP or CH38XDRV.EXE. File Size: Approximately 6.02 MB. Release Date: Latest major update on November 11, 2021.
Linux Drivers: Source code for Linux integration is available on the WCH GitHub Repository. 2. Supported Operating Systems
The WCH CH382L driver is highly versatile, supporting nearly every version of Windows and common Linux kernels:
Modern Windows: Full support for Windows 11 and Windows 10 (32/64-bit).
Legacy Windows: Compatible with Windows 8.1, 8, 7, Vista, XP, and even 2000/NT4.0.
Windows Server: Supports Server 2022, 2019, 2016, 2012, 2008, and 2003. Linux: Requires Kernel 4.15 or above. 3. How to Install the CH382L Parallel Port Driver
Follow these steps to ensure a clean installation on Windows:
Extract the Files: If you downloaded the .ZIP version, right-click and select "Extract All".
Run the Installer: Execute CH38XDRV.EXE. This is a "One-Key" installation tool that automatically identifies the hardware. Manual Update (if needed): Open Device Manager (devmgmt.msc).
Find the entry labeled "PCI Parallel Port" (often marked with a yellow exclamation mark).
Right-click and select Update Driver > Browse my computer for drivers. Point to the folder where you extracted the official files. 4. Technical Specifications of the CH382L
Understanding the chip's capabilities can help you troubleshoot communication issues: Interface: PCI Express x1 V1.1.
Baud Rate: Supports up to 8Mbps for high-speed serial communication.
Parallel Features: Supports standard SPP, PS2, EPP, and ECP modes.
Buffer: Built-in 256-byte FIFO on each port for stable data transmission. 5. Troubleshooting Common Issues
"Missing INF Entry" Error: This often happens if an older driver version is used. Ensure you have the latest Microsoft WHQL Certified driver from 2021 or later.
Windows 7 64-bit Installation: Some 64-bit Windows 7 systems require specific installation notes provided by the manufacturer to handle driver signature requirements. CH38XDRV.ZIP - Nanjing Qinheng Microelectronics Co., Ltd.
The WCH CH382L is a reliable, widely-used PCIe chipset designed to add parallel (LPT) and serial (COM) ports to modern computers. For the best results, you should download the driver directly from the manufacturer's official site. 📥 Official Driver Download
The official driver package for the CH382 series (CH382L, CH384, etc.) is provided by Nanjing Qinheng Microelectronics (WCH). Download Link: Official WCH CH38X Driver (CH38XDRV.EXE) Alternate Link: WCH.cn (Chinese Portal) File Size: ~5.85 MB Version: 1.5 (2021-10-16) 📝 Review: Performance & Compatibility
The CH382L is a "native" single-chip solution, meaning it communicates directly with the PCIe bus without requiring extra bridging chips, which generally improves stability. ✅ Pros
Wide OS Support: Works on Windows (XP to 11), Windows Server (up to 2022), and Linux kernels.
Standards Compliant: Supports IEEE 1284 parallel protocols (SPP, PS/2, EPP, ECP).
Industrial Reliability: Performs well in environments with high temperatures or vibrations.
Plug-and-Play: Automatically assigns IRQ and I/O addresses in most Windows environments. ⚠️ Cons CH38XDRV.EXE - Nanjing Qinheng Microelectronics Co., Ltd.
Introduction
The WCH CH382L is a parallel port controller chip developed by WinChipHead (WCH), a Chinese semiconductor company. It's commonly used in various devices, such as printers, scanners, and other peripherals. To use these devices with your computer, you need to install the correct driver software. In this piece, we'll guide you through the process of downloading and installing the WCH CH382L parallel port driver.
Driver Overview
The WCH CH382L parallel port driver is a software component that enables communication between your computer's operating system and the parallel port controller chip. The driver provides a set of instructions that allows the operating system to control the parallel port, send data to devices connected to it, and receive data from them. Always download the CH382L driver from WCH’s official
Downloading the Driver
To download the WCH CH382L parallel port driver, follow these steps:
Driver Installation
Once you've downloaded the driver, follow these steps to install it:
Troubleshooting
If you encounter issues during driver installation or experience problems with your parallel port device, try the following:
Conclusion
Downloading and installing the WCH CH382L parallel port driver is a straightforward process. By following the steps outlined above, you should be able to successfully install the driver and use your parallel port device with your computer. If you encounter any issues, refer to the troubleshooting section or contact WCH support for further assistance.
The driver for the WCH CH382L chipset, used for PCI Express to parallel (LPT) and serial (UART) port expansion, can be downloaded directly from the official manufacturer, Nanjing Qinheng Microelectronics (WCH). Official Driver Download
WCH Official Download Page (ZIP): The CH38XDRV.ZIP package contains the driver installation files and EEPROM configuration tools for the CH382 and CH384 series.
WCH Official Executable (EXE): For a direct installer, you can use CH38XDRV_EXE.html. Compatibility & Features
Supported Systems: The driver supports both 32-bit and 64-bit versions of Windows 11, 10, 8.1, 8, 7, Vista, and XP, as well as various Windows Server editions (2003 through 2022) and Linux.
Certification: The driver is Microsoft WHQL Certified, ensuring stability and compatibility with modern Windows operating systems.
Hardware Support: This driver package supports various configurations including: PCIe to single parallel port cards. PCIe to dual serial and single parallel port cards.
High-speed data transmission for devices like printers, scanners, and external storage. Installation Tips Download the ZIP file from the official WCH site. Extract the contents to a folder on your computer.
Run the Setup/Installer (often named CH38XDRV.EXE) to automatically detect the card and install the necessary drivers.
Device Manager Check: After installation, the parallel port should appear under "Ports (COM & LPT)" in the Windows Device Manager.
The official driver for the WCH CH382L chipset (used for PCIe to parallel/serial port cards) is the
. This driver supports both the parallel (LPT) and serial (COM) ports provided by the chip. Official Download Links You can download the driver directly from the manufacturer, Nanjing Qinheng Microelectronics (WCH) CH38XDRV.ZIP (Official Download)
: This is the complete driver installation package and EEPROM configuration tool. CH38XDRV.EXE (Self-Installing Version)
: A one-key installation version often recommended in community support threads. Nanjing Qinheng Microelectronics Co., Ltd. Compatibility Information Supported Systems
: 11, 10, 8.1, 8, 7, Vista, XP, and Server (2003 through 2022).
: Supported via kernel drivers; generally works with Kernel 4.15 or above. Certifications : The drivers are Microsoft WHQL Certified
, ensuring better stability and compatibility with modern Windows security features. Nanjing Qinheng Microelectronics Co., Ltd. Installation Tips Extract the Files : If you download the
version, extract all files to a folder before running the installer. Run as Administrator : Right-click the
file and select "Run as administrator" to ensure the driver has permission to modify system port settings. Check Device Manager
: After installation, your parallel port should appear under the "Ports (COM & LPT)" section in Windows Device Manager. Hardware Verification
: If the device is not recognized, ensure the card is firmly seated in the PCIe slot and scan for hardware changes in Device Manager. National Instruments Are you setting this up for a specific piece of hardware , like a legacy printer or a CNC machine? CH38XDRV.ZIP - Nanjing Qinheng Microelectronics Co., Ltd.
download the official drivers for the WCH CH382L chipset directly from Nanjing Qinheng Microelectronics (WCH)
. This driver package supports various PCIe configurations, including dual serial ports and the single parallel port frequently used for printers and industrial hardware Nanjing Qinheng Microelectronics Co., Ltd. Official Download Links Windows (Self-extracting Executable): CH38XDRV.EXE Nanjing Qinheng Microelectronics Co., Ltd. Windows (ZIP Archive): CH38XDRV.ZIP
— Includes the driver package and an EEPROM configuration tool Nanjing Qinheng Microelectronics Co., Ltd. Linux Drivers: Available on the WCHSoftGroup GitHub for manual installation via terminal Device Specifications Compatibility:
Supports Windows 11/10/8.1/8/7 (32/64-bit), legacy versions like XP/98, and Windows Server up to 2022 Nanjing Qinheng Microelectronics Co., Ltd. Performance: The chipset supports a data transfer rate of up to for parallel ports and is fully compliant with PCIe Rev 1.1 Functionality: Often used in "plug-and-play" cards like those from AddOnCards , providing IEEE1284 parallel port expansion Installation Tips PCI-E Parallel Card Problem - Page 3 - LinuxCNC Forum
Critical Warning: Avoid "driver download" websites that bundle adware, toolbars, or viruses. Only use official or trusted sources.
Installing this driver requires a specific sequence, or the parallel port may not initialize correctly.
The most trusted source is the manufacturer's official website.
WCH provides a unified driver package for the CH38X series (CH381, CH382, CH383, CH384). This package includes drivers for parallel (LPT) and serial (COM) variants.