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PCIe Soft Data Fax Modem with SmartCP Driver

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This driver download is available for Windows PCs.
At a Glance
DevicePCIe Soft Data Fax Modem with SmartCP
VendorConexant
Supported OSWindows
VersionLatest
File Size—
UpdatedOct 29, 2026
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The PCIe Soft Data Fax Modem with SmartCP driver enables Windows to recognize the modem and communicate with it for dial-up data connections and fax tasks over a compatible analog telephone line. It is intended for users setting up this PCIe modem, reinstalling Windows, or troubleshooting a modem that appears as an unknown device in Device Manager.

Key Features

  • Modem recognition: Provides the device-specific support Windows needs to identify and configure the PCIe Soft Data Fax Modem with SmartCP.
  • Dial-up connectivity: Allows compatible software to use the modem for data connections where an analog telephone service and dial-up account are available.
  • Fax communication: Enables supported fax applications to communicate with the modem for sending and receiving faxes, subject to software and telephone-line compatibility.
  • Windows configuration: Helps Windows manage the modem’s settings and resources. Select a package that explicitly supports your Windows version and system architecture.

How to Install PCIe Soft Data Fax Modem with SmartCP Driver

  1. Check your system and device. Confirm whether you use Windows 11, 10, 8, or 7, and check whether your installation is 32-bit or 64-bit. In Device Manager, verify the modem name or hardware IDs to avoid choosing a driver for a different model.
  2. Choose a matching package. Before starting your PCIe Soft Data Fax Modem with SmartCP driver download for Windows, review the package’s compatibility details. For Windows 10/11 especially, confirm explicit support rather than assuming an older driver will work.
  3. Download and prepare the files. Prefer a package supplied by the manufacturer or your computer maker. If a free download is offered, verify its source and extract the archive if necessary.
  4. Install the driver. Run the included installer and follow its instructions. If no installer is provided, open Device Manager, right-click the modem or unknown device, select Update driver, and browse to the extracted driver folder.
  5. Restart and test. Restart if prompted, then check Device Manager for warning symbols. Connect the modem to a suitable analog telephone line and test it with your dial-up or fax application.

Keep the driver updated by checking for the latest version compatible with your exact hardware and Windows release. An update may address documented issues, but review its release notes before replacing a working driver, and retain the previous package in case you need to roll back.

Common Issues and Fixes

  • Installer fails or rolls back: Run the manufacturer’s setup as administrator, match 32/64-bit Windows, and temporarily disable antivirus. If Windows blocks the SmartCP driver, check its signature/release notes before changing driver-signature settings.
  • Modem not detected: Reseat the PCIe card, confirm the slot is enabled in BIOS/UEFI, and check Device Manager for an unknown PCI communications device. Install motherboard chipset drivers, then rescan hardware.
  • Version/COM-port conflicts: Uninstall old Soft Data Fax Modem/SmartCP drivers, including hidden devices, reboot, then install the latest package. In Device Manager, verify the modem’s COM port and change it if another device uses the same port.

Driver Details

DevicePCIe Soft Data Fax Modem with SmartCP
VendorConexant
CategoryNetwork
Supported OSWindows
PublishedOctober 28, 2026
UpdatedOctober 29, 2026
This driver download is available for Windows PCs.