The PI40952-3X2B is a hardware component model number belonging to a line of multi-port input/output (I/O) expansion cards. This specific model is primarily known as a PCI Express Dual Serial Port Adapter Card or, depending on the specific board revision, an LPT/Parallel Port Adapter Card. These cards allow users to add legacy DB9 RS232 serial COM ports or DB25 parallel printer ports to a desktop computer via the PCIe expansion slots on the motherboard.
The board is powered by the highly popular and reliable Oxford OXPCIe952 chipset. If your operating system is unable to recognize this card natively, this is the core chipset driver you will need to seek out. 🛠️ How to Handle a Missing Driver Delock PCI Express Card to 2 x Serial
Description. The PCI Express card by Delock expands a PC by two external serial ports. Different devices such as scanner, printer,
The PI40952-3X2B is a PCI Express expansion card typically used to add legacy RS-232 serial ports (and sometimes a parallel port) to modern computers. It is commonly manufactured or distributed by brands like DeLOCK. 🛠️ Key Specifications Interface: PCI Express x1. Ports: Usually 2 x Serial RS-232 (DB9 male).
Chipset: Often uses an Oxford or WCH chipset (e.g., WCH382L).
Data Rate: Up to 230.4 Kbps for serial and 1.5 Mbps for parallel.
Form Factor: Includes Low Profile brackets for small-form-factor PCs. ⭐ User Review Summary
Users generally find this card to be a "plug-and-play" solution for connecting older hardware like barcode scanners, industrial controllers, or older printers to new systems. Pros:
High Compatibility: Works with Windows versions from XP/7 up to Windows 11.
Reliable Chipset: Oxford chipsets are widely recognized for stable driver support in industrial settings.
Compact: The low-profile design makes it versatile for mini-PCs. Cons:
Manual Setup: Sometimes requires specific manual driver installation from a CD or manufacturer website if Windows doesn't auto-detect the older chipset.
Legacy Only: Primarily useful for older equipment; doesn't offer modern high-speed data benefits. 💾 Driver & Support
Latest Drivers: Microsoft WHQL Certified versions (v1.6.2025.05) are available as of early 2026 for Windows 11 and Server 2022. Linux: Supported in Kernel 4.15 or above.
💡 Pro Tip: If your card has a red stripe on the ribbon cable, ensure it faces the card bracket during installation for proper pin alignment. Delock PCI Express Card to 2 x Serial
Description. The PCI Express card by Delock expands a PC by two external serial ports. Different devices such as scanner, printer, Delock PCI Express Card to 1 x Parallel IEEE1284
PI40952-3X2B is a specialized hardware component, specifically a PCI Express dual serial port adapter card . Primarily manufactured under the brand
(often associated with part number 89220), this adapter is designed to expand a computer's connectivity by providing two external serial RS-232 DB9 ports.
Below is an overview of its technical significance, hardware specifications, and driver requirements. Hardware Architecture and Functionality The card operates on the PCI Express x1
interface (Version 1.1), making it compatible with most modern motherboards that feature an open PCIe slot. At its core, the PI40952-3X2B utilizes the Oxford OXPCIe952 chipset pi40952 3x2b driver
. This chipset is a high-performance solution that supports data transfer rates of up to 230.4 Kbps and is compatible with the 16C950 UART standard.
The card is frequently used in industrial and legacy environments where serial communication is still vital for connecting devices such as: Point of Sale (POS) systems: Scanners, receipt printers, and credit card terminals. Industrial machinery: PLC programming cables and CNC machines. Networking equipment: Console cables for switches and routers. Physical Design
To accommodate various system sizes, the card often features a Low Profile
design. It typically ships with both standard and low-profile brackets, allowing it to be installed in both full-sized desktop towers and Mini-PCs or Small Form Factor (SFF) workstations. Driver Support and Compatibility
For the PI40952-3X2B to function, the operating system requires specific drivers to manage the Oxford chipset. These drivers facilitate the communication between the hardware and the Windows COM port management system. Delock PCI Express Card to 2 x Serial
Description. The PCI Express card by Delock expands a PC by two external serial ports. Different devices such as scanner, printer, Delock PCI Express Card to 2 x Serial RS-232 + 1 x Parallel
The PI40952-3X2B is a PCI Express (PCIe) expansion card, typically branded under manufacturers like Exone or Manhattan, designed to add legacy connectivity ports to modern desktop computers. 1. Hardware Overview
The card is primarily used to provide additional serial or parallel communication ports via a single PCIe x1 slot.
Functionality: Often serves as a Dual Serial (RS-232) Port Adapter or a Parallel (LPT) Port Adapter.
Form Factor: Standard PCI Express x1 interface, frequently supplied with low-profile brackets for use in small form factor (SFF) PCs.
Chipset: Most versions of this hardware utilize the Oxford (PLX/Broadcom) or MCS (MosChip) serial/parallel controller chipsets, such as the OX16PCI952. 2. Driver Specifications
The driver for the PI40952-3X2B is essential for the operating system to recognize the UART (Universal Asynchronous Receiver-Transmitter) and bridge functions of the card. Compatible OS
Windows XP, Vista, 7, 8, 8.1, 10, and 11; various Windows Server editions; Linux Kernel 4.15+ Driver Version
Commonly refers to version 3.18.1.0 for newer Windows builds Architecture Supports both 32-bit (x86) and 64-bit (x64) systems Installation File
Often distributed as a ZIP containing .inf files or an automated .exe installer (e.g., CH35XDRV.EXE or Oxford-specific installers) 3. Installation & Troubleshooting
Because this card is often sold as a "white label" or generic component, finding drivers can be difficult if the original CD is missing. Delock PCI Express Card to 2 x Serial RS-232 + 1 x Parallel
The PI40952-3X2B is a common circuit board identifier for PCI Express (PCIe) expansion cards that provide legacy communication ports, specifically Serial (RS-232) and sometimes Parallel (LPT) ports.
These cards are typically used to connect vintage or industrial hardware—like scanners, CNC machines, or receipt printers—to modern computers that lack built-in serial ports. 1. Chipset Identification
To find the correct driver, you first need to identify the chipset on your specific card. The "PI40952-3X2B" label is often used by multiple manufacturers (like Delock, Manhattan, or STLab) who may use different internal chips. The PI40952-3X2B is a hardware component model number
Oxford (PLX) Chipset: Often found in the Delock 89220 model. It uses the OXPCIe952 chip and supports data rates up to 230.4 Kbps.
WCH (Nanjing Qinheng) Chipset: Many cards with this board ID use WCH chips (like the CH382 or CH35x). These are very common in generic PCIe-to-Serial/Parallel cards. 2. Driver Download Sources
Depending on your chipset, use the official manufacturer support pages:
For Oxford/PLX Cards: Visit the Delock Service & Support page and search for your specific item number (e.g., 89220).
For WCH Cards: Download the CH38XDRV installation package from Nanjing Qinheng Microelectronics. This package supports Windows 11/10/8.1 and Linux. 3. Installation Guide
If the card is listed as an "Unknown Device" or "PCI Serial Port" in Windows Device Manager: Right-click the device and select Properties. Go to the Details tab and select Hardware IDs. Look for the Vendor ID (VEN) and Device ID (DEV). VEN_1415: This is an Oxford/PLX chip. VEN_1C00: This is a WCH chip.
Once identified, run the installer from the manufacturer links above. Technical Specifications Delock PCI Express Card to 2 x Serial
Understanding the PI40952-3X2B Driver: A Complete Guide The PI40952-3X2B is a common hardware identifier found on Delock PCI Express expansion cards. These cards are typically used to add legacy serial (RS-232) or parallel (LPT) ports to modern computers that lack them. If you have recently installed this card and your operating system hasn't automatically recognized it, you will likely need to install the specific drivers associated with its chipset. Hardware Specifications
Before downloading a driver, it is helpful to identify exactly what hardware you have. The PI40952-3X2B marking is most frequently associated with the following configurations:
Chipset: Often uses the Oxford OXPCIe952 or WCH CH382 controllers.
Interface: PCI Express x1 (compatible with x4, x8, and x16 slots).
Ports: Typically provides 2 x Serial RS-232 DB9 ports or a combination of serial and parallel ports.
Data Rates: Supports data transfer rates up to 230.4 Kbps for serial communication. Where to Download the PI40952-3X2B Driver
To ensure system stability, always prioritize official manufacturer sources over third-party driver "update" sites.
Delock Official Website: If your card is a Delock 89220 or similar, search for your specific model number on the Delock Support Page.
Chipset Manufacturer (WCH): If the card uses a WCH chipset, you can download the latest CH38XDRV.ZIP package, which supports Windows 7 through Windows 11.
Driver Scape/Third-Party: While sites like Driver Scape host these drivers, use them only if official manufacturer links are unavailable. Supported Operating Systems
Most modern drivers for this hardware support a wide range of Windows environments: Windows 11 / 10 (32 and 64-bit) Windows 8.1 / 8 Windows 7 Windows Server (2012, 2016, 2019, 2022) Installation Steps
Insert the Card: Power down your PC and install the card into an available PCIe slot. 1x PI40952 3x2B driver IC 3x 0
Download the Driver: Get the .zip or .exe file from one of the official sources listed above.
Run the Installer: If it's an executable (like CH35XDRV.EXE), run it and follow the prompts.
Manual Update: If you have a .zip file, go to Device Manager, right-click the "Unknown Device" (often listed under Multi-port serial adapters), select Update Driver, and point it to the extracted folder.
Verify: After a restart, the new COM or LPT ports should appear in your Device Manager under "Ports (COM & LPT)". Delock PCI Express Card to 2 x Serial
Description. The PCI Express card by Delock expands a PC by two external serial ports. Different devices such as scanner, printer,
PI40952-3X2B is a versatile PCI-Express adapter card, most commonly found as a dual RS232 serial port
expansion, though some variants offer a parallel (LPT) port instead. It is typically branded by manufacturers like Product Specifications Interface: PCI Express x1 (V1.1 compatible). Serial Variant: 2 x RS232 (DB-9) male ports. Parallel Variant: 1 x Parallel (DB-25) female port. Often powered by the Oxford OXPCIe952 Form Factor:
Low-profile design, making it compatible with mini-PCs and small form factor (SFF) desktops. Data Rates: Supports serial speeds up to 230.4 Kbps (Oxford) or 460.8 Kbps Performance Review Reliability:
Users and sellers frequently note its functionality in legacy industrial environments for connecting scanners, printers, or laboratory equipment. Compatibility:
The card is widely compatible with Windows 7 through Windows 11, as well as Linux kernels which often have native support for these chipsets. Ease of Use:
While often sold "as-is" without a driver CD in the used market, drivers are generally available via the manufacturer's website or third-party repositories. Driver Information
If you are looking for the driver, it is critical to identify the specific chipset on your card (usually the largest black square chip): Oxford Chipset: Drivers can be found on the Delock Support Page for similar models. WCH Chipset: Drivers are often hosted by TITAN Electronics for universal PCI-E serial cards. Automatic Detection:
Most modern Windows versions (10/11) may automatically detect and install the driver through Windows Update once the card is seated. Shopping Options
This card is primarily available through electronics refurbishers and second-hand marketplaces: Refurbished Units: Available at retailers like D-Stock Micro Used Listings: Frequently listed on for prices ranging from approximately $15.00 to $55.00 USD depending on the seller and condition. exact chipset version for your specific OS installation? Delock PCI Express Card to 2 x Serial
Based on the hardware identifier pi40952, this refers to the Azurewave Realtek RTL8852BE Wi-Fi 6 Bluetooth 5.2 combo module. This card is commonly found in HP laptops (such as the HP Pavilion and HP 15 series).
The 3x2b part of your string is likely a fragment from the hardware ID (PCI\VEN_10EC&DEV_3x2B) or a component of the device path.
Here is the breakdown of the driver you need and how to install it.
Document No.: TR-PI40952-001
Revision: 1.0
Date: [Insert Date]
Author: [Your Name]
Subject: Evaluation of PI40952 3x2B Driver
| IN1 | IN0 | OUT1 | OUT0 | |-----|-----|------|------| | 0 | 0 | 0 | 0 | | 0 | 1 | 0 | 1 | | 1 | 0 | 1 | 0 | | 1 | 1 | 1 | 1 |
(If not a buffer but a decoder/driver, adjust accordingly)