3x2b Driver ((new)) - Pi40952

PI40952-3X2B is a PCI Express expansion card designed to add two RS-232 serial ports (DB9) and typically one parallel port

: Compatible with Windows 7, 8.1, 10, and 11, as well as various Windows Server versions. Why You Need It

Section 6: Alternatives and Replacements for PI40952

If you cannot source the exact PI40952 3x2B driver (due to obsolescence or regional shortages), consider these drop-in or functional equivalents: pi40952 3x2b driver

Data Rates: Supports data transfer rates up to 230.4 Kbps for serial communication. Where to Download the PI40952-3X2B Driver

: Frequent in newer or generic versions. You can find official drivers on the WCH (Nanjing Qinheng) Download Center Moschip (MCS9901/9922) PI40952-3X2B is a PCI Express expansion card designed

8. Power Management and Thermal Considerations

• Support for runtime PM: put device into low-power mode when idle.
• Store state across suspend/resume or reapply configuration after wake.
• Thermal: for drivers controlling power/actuators, monitor and reduce drive strength if device reports over-temperature.

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.

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: Support for runtime PM: put device into low-power

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