The DH382 driver features extensive backward and forward compatibility, carrying official Microsoft WHQL (Windows Hardware Quality Labs) certification for effortless setup. Supported Versions (32-bit & 64-bit)
It features a built-in 256-byte FIFO buffer on every port to prevent data drops and supports communication baud rates up to 8Mbps .
Performing a can seem daunting because the hardware is not mainstream. However, by following the hardware ID method or using open-source driver packs, you can restore full functionality to your device. Always prioritize security over convenience: download only from official vendors, avoid executable files from unknown sources, and keep a backup of working drivers.
A USB-to-serial adapter is a simple cable that converts a USB port into a single serial port. The DH382 card is a more robust, internal solution that adds two or more serial ports directly to the computer's motherboard via a PCIe slot. The DH382 card generally offers greater stability, lower latency, and is more suitable for industrial or always-on applications, while a USB adapter is fine for occasional or less critical use. dh382 driver upd
: Operates over a single-lane PCIe (x1) configuration at a 2.5 Gbps transfer rate.
Updating your serial expansion card driver is critical for several system stability and hardware compatibility reasons:
Updated drivers can fix security vulnerabilities, protecting your data. The DH382 driver features extensive backward and forward
You're looking for information on updating the DH382 driver. Here are some potential posts and solutions:
This is a common question. The DH382 card is designed primarily for Windows, and the driver often comes as a .exe file. Generally, you cannot directly install a Windows .exe driver on a Linux system. However, many in the Linux community have noted that standard serial and parallel port cards like this often work "out of the box" on modern Linux distributions without needing to install any additional drivers, as the necessary kernel modules are often already present. You should try plugging the card in first; it may just work.
typically refers to the ) chip, which is a high-performance PCI Express (PCIe) bus converter used in multi-port serial or parallel expansion cards. Nanjing Qinheng Microelectronics Co., Ltd. The "UPD" in your request likely stands for Universal Port Driver Universal Print Driver (if your card has a parallel port for a printer). Device Overview The CH382 chip is designed to convert PCIe lanes into: Nanjing Qinheng Microelectronics Co., Ltd. Dual UARTs (Serial/COM Ports) However, by following the hardware ID method or
Check USB ports, try a different cable, or test the device on another PC. The hardware itself may be dead.
Dual UART Serial Ports (RS232/DB9), Single Parallel Port (LPT) Up to 8 Mbps with automatic hardware flow control Supported OS Windows 11/10/8.1/8/7/XP, Windows Server, and Linux Driver Status Microsoft WHQL Certified ⚙️ Why Do You Need the DH382 Driver Update?
After downloading, run the installer (unplug and re-plug the device if prompted).
The connected device may drop connectivity intermittently or fail to recognize inputs entirely.