This driver download is available for Windows PCs.
Official Sources
Mirror
Driverscape
source catalog
At a Glance
DeviceSUNIX 2-Port Serial / 1-Port Parallel Multi-I/O Card
VendorSunix
Supported OSWindows 10, 8.1, 7, Vista, XP
SafetyScanned, malware-free
LicenseFree
No Registration Required
Download free — no signup, no account, no waiting
On This Page
The SUNIX 2-Port Serial / 1-Port Parallel Multi-I/O Card driver lets Windows recognize the card and communicate with equipment connected to its two serial ports and one parallel port. It is intended for users who need to connect compatible legacy printers, serial peripherals, or other supported devices through this Sunix expansion card.
Key Features
- Serial and parallel port support: Enables Windows to use the card’s two serial interfaces and single parallel interface with compatible connected equipment.
- Legacy printer connectivity: Provides the parallel-port interface needed to connect a compatible printer. The printer may also require its own driver.
- Windows device management: Allows recognized ports to appear in Device Manager, where you can check device status and adjust available port settings.
- Support for listed Windows releases: Driver options cover Windows 10, 8.1, 7, Vista, and XP. Choose a package that matches your operating system and hardware revision.
How to Install SUNIX 2-Port Serial / 1-Port Parallel Multi-I/O Card Driver
- Check your hardware and Windows version. Confirm the card’s model or hardware ID and whether your system uses 32-bit or 64-bit Windows. For Windows 10/11 systems, note that Windows 10 is listed as supported; Windows 11 compatibility should be verified with Sunix before installation.
- Choose the correct package. Before starting your SUNIX 2-Port Serial / 1-Port Parallel Multi-I/O Card driver download for Windows, compare the package’s supported systems with your PC. Select the latest version explicitly compatible with your card rather than assuming the newest package supports every revision.
- Download and extract the files. Use a trusted free download source and extract the archive if necessary. Read any included instructions before making changes.
- Install the driver. Run the supplied installer if available. Otherwise, open Device Manager, locate the unrecognized card or affected port, select Update driver, and browse to the extracted driver folder.
- Restart and test. Restart Windows if prompted, then check Device Manager for warnings. Connect your peripheral and test it using the appropriate software; serial devices may need matching COM-port settings.
Keep a copy of the working driver before you update. Check for a compatible release when troubleshooting connection problems or changing Windows versions, and review the release notes to see whether the update addresses your needs. A newer driver is useful only when it supports your specific card and operating system.
Driver Details
| Device | SUNIX 2-Port Serial / 1-Port Parallel Multi-I/O Card |
|---|---|
| Vendor | Sunix |
| Category | Printer |
| Supported OS | Windows 10, 8.1, 7, Vista, XP |
| Published | November 1, 2026 |
| Updated | November 1, 2026 |
This driver download is available for Windows PCs.