Pi40952 3x2b Driver __exclusive__ Jun 2026

The 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.

| 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) | pi40952 3x2b driver

The 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 is a common circuit board identifier for

Checking the DeLOCK Support Page for model 89219 , which uses this exact board. Hardware Overview Checking the DeLOCK Support Page for

Because this card is often rebranded, the driver you need depends on the used on the physical board. Most versions of the PI40952-3X2B use one of the following: Oxford Chipset : Common in Delock-branded models (e.g., Delock Item 89220 ). Drivers for Windows 7 through 10 are available on the Delock Service Page WCH Chipset (CH382L/CH384)

: Some later revisions or similar multiport cards use WCH (Nanjing Qinheng) chips like the CH382. If the Oxford driver doesn’t stick, try the CH38XDRV package from the manufacturer's site. Why Bother in 2026? Why are we still talking about serial ports?