The product code PI40952-3X2B refers to a DeLOCK PCI Express Adapter Card that adds two serial RS-232 (9-pin) ports and often one parallel port to a computer. Driver Update Guide
. This chipset was originally produced by Oxford Semiconductor, which was later acquired by PLX Technology (and eventually Broadcom). Brand Support Pages: Delock Support Page and search for item Exone's Driver Database if available. Alternative Source: Some refurbished hardware specialists like Messoanuovo pi40952+3x2b+driver+upd
. This package supports a wide range of PCIe-to-Serial/Parallel cards across Windows XP through Windows 11. Alternative Support: The product code PI40952-3X2B refers to a DeLOCK
Always ensure you are downloading drivers from verified manufacturer portals to avoid malware and ensure maximum hardware longevity. Complete the installation and reboot
ESC:\Program Files\PI40952, go back to Device Manager.Last updated: October 2025 – This guide will be revised when the next UPD (v2.3.0) is released.
Another angle: Maybe the user is referring to a Raspberry Pi model, as Pi is a Raspberry Pi. But 40952 doesn't fit there. 3x2b might be a model like Raspberry Pi 3B, but 3x2B isn't standard. However, Raspberry Pi does have models like 4 Model B. But combining with pi40952 is unclear.
HP Support Community: Search for "sp45463" or "sp101543" if you are using an HP machine, as they have archived legacy Oxford drivers.
