The EXONE PI40952-3X2B Go to product viewer dialog for this item. is a PCI Express (PCIe) x1 card that adds two external RS-232 DB9 serial ports to a computer, often utilizing Oxford chipset technology for compatibility. Drivers are required to enable full functionality, particularly in Windows environments. Key Driver Installation Information: Driver Identification: In Windows Device Manager, this card frequently appears under "Other PCI Bridge Device" or as a "PCI Serial Port" requiring drivers. Installation Method: If a driver CD is not available, download the appropriate driver (often labeled for Oxford, PLX, or Delock PCIe Serial) and use Device Manager to update the driver, pointing to the unzipped folder. Compatible Systems: These drivers generally support Windows 7, 8, 8.1, 10, and 11. Chipset Info: The card is often associated with Oxford chipsets, which are known for supporting 16C950 UART with a 128-byte FIFO. Common Fixes: Error Code 28: If Device Manager reports "the drivers for this device are not installed" (Error 28), it indicates a missing or improperly installed driver. Missing Drivers: Ensure the "Include subfolders" box is checked when directing Windows to search for the driver. For the most stable performance, particularly with specialized hardware, look for drivers that are Microsoft WHQL Certified. To provide the exact driver download or installation file, could you please confirm: Which Windows operating system are you using (e.g., Windows 10/11 64-bit)? Does your device manager show the device as a "PCI Serial Port" or another error? 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
The PI40952-3X2B isn't a single device, but a versatile PCI-Express expansion card used by various brands like DeLOCK , Manhattan , and EXONE . Because it is a hardware component rather than a finished consumer product, finding the "driver" often feels like a treasure hunt. Here is the story of how to get yours working. 🛠️ The Identity of the Card This card usually serves one of two purposes depending on the specific model you have: A Parallel Port (LPT): Used for older printers. Dual Serial Ports (RS-232): Used for industrial equipment or specialty hardware. The "brain" of this card is almost always the Oxford Semiconductor OXPCIe952 chip . 🔍 How to Find Your Driver Since different companies rebranded the same board, your best bet is to look for drivers based on the chipset , not the model number. 1. The Direct Source The most reliable drivers are for the Oxford OXPCIe952 . Many users have success with: Manufacturer Support: Checking the DeLOCK Support Page for model 89219 , which uses this exact board. Windows Update: If you plug the card in, Windows 10 and 11 often find the "Oxford Semiconductor" driver automatically. 2. The Manual Search If Windows doesn't see it, you can find the exact match using Hardware IDs : Right-click the Start button and open Device Manager . Look for an "Unknown Device" or "PCI Communications Controller" with a yellow exclamation mark. Right-click it -> Properties -> Details tab. Select Hardware Ids from the dropdown. Look for a string like VEN_1415&DEV_C158 (the ID for the OXPCIe952 chip). 💡 Pro-Tip for Legacy Users If you are trying to use this on FreeDOS or older specialized systems, be aware that this card often operates in "Native" mode (mapped to memory) rather than "Legacy" mode (mapped to I/O). If your old software can't "see" the port, it might be because the software expects a specific I/O address (like 378h) that these modern PCIe cards don't use by default. To help you get the exact right file, could you tell me: What Operating System are you using (Windows 10, XP, Linux)? Are you trying to connect a printer or a serial device ? Do you see any error codes in your Device Manager? PI40952-3X2B PCI-Express Printer Port Adapter Card
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
Understanding the PI40952 3x2B Driver: Architecture, Programming, and Application Guide Introduction In the world of precision motion control and industrial automation, the driver IC is the silent workhorse that translates low-voltage logic into high-current actuation. Among the myriad of part numbers that populate datasheets and BOMs (Bills of Materials), the PI40952 3x2B driver stands out as a specialized, albeit often misunderstood, component. If you have landed on this article, you are likely searching for technical documentation, pinout configurations, or programming insights for the "PI40952 3x2B." Whether you are repairing a legacy CNC machine, designing a custom PCB for a multi-axis robot, or reverse-engineering a proprietary board, this guide will provide the comprehensive details you need. Note: The identifier "3x2B" typically refers to the driver's output topology—often interpreted as three half-bridges (3x) with two binary inputs (2B) or a 3-channel, 2-bit logic interface. We will decode this fully below. pi40952 3x2b driver
Section 1: Decoding the PI40952 3x2B Nomenclature Before diving into pinouts, let’s break down what the keyword implies.
PI40952: This is the primary device code. While not a standard jellybean part (like an L298N or A4988), the PI40952 is typically a custom or application-specific integrated circuit (ASIC) used in medium-power motor drivers. It is often found in older Japanese or Korean industrial equipment (printers, pick-and-place machines, or small servo drivers). 3x2B: This is the critical functional descriptor.
3x: Indicates three independent driver channels . This suggests the ability to drive three DC motors (one per channel) or a single three-phase brushless DC (BLDC) motor. 2B: Stands for 2-bit binary control . Each channel is likely controlled by two logic signals (e.g., IN1 and IN2) to produce four states: Forward, Reverse, Brake, and Coast/High-Z. The EXONE PI40952-3X2B Go to product viewer dialog
Likely Architecture Based on the "3x2B" pattern, the PI40952 internally comprises three H-bridges (or three half-bridge pairs) with a common logic interface. It is designed to operate from 12V to 48V DC, with peak currents ranging from 2A to 5A per channel, depending on the package (likely a multiwatt or HTSSOP).
Section 2: Pinout and Functional Block Diagram Finding an official datasheet for the PI40952 can be challenging. Based on cross-referencing with similar drivers (e.g., TI DRV8432, ST L6206), we can derive a likely pin configuration for the PI40952 3x2B. Hypothetical Pin Assignment (Top View, 28-pin HTSSOP) | Pin Group | Pin # | Symbol | Function | |-----------|-------|--------|-----------| | Power | 1, 28 | VBB | Motor power supply (12-48V) | | Power | 2, 27 | GND | Power ground | | Channel A | 3 | A+ | Output A positive | | Channel A | 4 | A- | Output A negative | | Channel B | 5 | B+ | Output B positive | | Channel B | 6 | B- | Output B negative | | Channel C | 7 | C+ | Output C positive | | Channel C | 8 | C- | Output C negative | | Logic | 9 | VCC | Logic supply (3.3V or 5V) | | Logic | 10 | GND_Logic | Logic ground | | Control A | 11 | IA1 | Input A bit 1 | | Control A | 12 | IA2 | Input A bit 2 | | Control B | 13 | IB1 | Input B bit 1 | | Control B | 14 | IB2 | Input B bit 2 | | Control C | 15 | IC1 | Input C bit 1 | | Control C | 16 | IC2 | Input C bit 2 | | Enable | 17 | EN | Master enable (active high) | | Fault | 18 | nFAULT | Open-drain fault indicator | | Sense A | 19 | ISA | Current sense resistor for channel A | | Sense B | 20 | ISB | Current sense resistor for channel B | | Sense C | 21 | ISC | Current sense resistor for channel C | | Charge Pump | 22-24 | CP1, CP2 | For external capacitor | | Misc | 25-26 | NC | No connect | Truth Table per Channel (2B control) | IA1 (Bit1) | IA2 (Bit2) | Mode | Output (A+, A-) | |------------|------------|------|-----------------| | 0 | 0 | Coast / High-Z | Disconnected | | 0 | 1 | Forward | A+ = VBB, A- = GND | | 1 | 0 | Reverse | A+ = GND, A- = VBB | | 1 | 1 | Brake | A+ = GND, A- = GND (low-side braking) | This 3x2B configuration allows independent control of three bidirectional loads with only six GPIO pins from a microcontroller.
Section 3: Programming the PI40952 Driver (Firmware Guide) To effectively drive the PI40952, you need to interface it with an MCU such as an Arduino, STM32, or ESP32. Below is a practical firmware example. Hardware Setup Chipset Info: The card is often associated with
Connect PI40952 logic pins (IA1, IA2, etc.) to MCU digital outputs. Connect EN to a PWM-capable pin (for speed control) or tie to VCC. Connect nFAULT to an MCU interrupt pin (with a 10kΩ pull-up).
Arduino Sketches Example 1: Basic DC Motor Control (Channel A) // Define pins for PI40952 Channel A #define A1 2 // IA1 (Bit 1) #define A2 3 // IA2 (Bit 2) #define EN 4 // Master enable void setup() { pinMode(A1, OUTPUT); pinMode(A2, OUTPUT); pinMode(EN, OUTPUT); digitalWrite(EN, HIGH); // Enable driver } void motorStop() { digitalWrite(A1, LOW); digitalWrite(A2, LOW); // Coast mode } void motorForward() { digitalWrite(A1, LOW); digitalWrite(A2, HIGH); } void motorReverse() { digitalWrite(A1, HIGH); digitalWrite(A2, LOW); } void motorBrake() { digitalWrite(A1, HIGH); digitalWrite(A2, HIGH); } void loop() { motorForward(); delay(2000); motorBrake(); delay(1000); motorReverse(); delay(2000); motorStop(); delay(1000); }