This driver download is available for Windows PCs.
At a Glance
DevicePCI CX11252-41Z Soft Modem #4
VendorMicrosoft
Supported OSWindows 10, 8.1, 7, Vista, XP
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The PCI CX11252-41Z Soft Modem #4 driver allows Windows to communicate with this PCI modem so compatible software can use it for dial-up connectivity. It is intended for users restoring an older computer, reinstalling Windows, or troubleshooting a modem that appears as an unrecognized device in Device Manager.
Key Features
- Modem recognition: Helps Windows identify the PCI CX11252-41Z Soft Modem #4 and make it available to compatible communications software.
- Dial-up support: Provides the software interface needed to establish modem connections over a compatible analog telephone line, with appropriate service and configuration.
- Legacy Windows options: Listed operating systems include Windows 10, 8.1, 7, Vista, and XP. Check the individual package for your specific Windows release and system architecture.
- Driver restoration: A matching package can replace missing or damaged driver files after a system reinstall. The vendor is listed as Microsoft; confirm the provider and device match in the package details before proceeding.
How to Install PCI CX11252-41Z Soft Modem #4 Driver
- Identify your system and modem. Check your Windows version and whether it is 32-bit or 64-bit. In Device Manager, open the modem’s properties and review its hardware IDs to confirm compatibility.
- Select the matching package. Before starting your PCI CX11252-41Z Soft Modem #4 driver download for Windows, compare the package’s supported systems and hardware IDs with your computer. Choose the latest version that explicitly supports your configuration.
- Download and prepare the files. Use a trusted free download source, scan the files with your security software, and extract the archive if necessary. Avoid unrelated download managers or bundled utilities.
- Install the driver. Run the included installer, if available. Otherwise, right-click the modem in Device Manager, choose Update driver, and browse to the extracted driver folder.
- Restart and verify. Restart if prompted, then check Device Manager for warnings. Test the modem with compatible dial-up software and a properly connected telephone line.
Keep a working driver backed up before you update, and review compatibility notes rather than assuming a newer package is better. For Windows 10/11 systems, note that Windows 10 is listed as supported, but Windows 11 support is not confirmed. An update may help with driver-related issues, but it will not resolve telephone-line faults or service configuration problems.
Driver Details
| Device | PCI CX11252-41Z Soft Modem #4 |
|---|---|
| Vendor | Microsoft |
| Category | Network |
| Supported OS | Windows 10, 8.1, 7, Vista, XP |
| Published | October 31, 2026 |
| Updated | November 1, 2026 |
This driver download is available for Windows PCs.