DriverCove

Multiport serial controller Driver 9.0.3.0

by Sunix GroupWindows 1064-bit32-bitSHA-256 verified

Manufacturer
Sunix Group
Device
Multiport serial controller
Driver version
9.0.3.0
Release date
May 14, 2018
Supported Windows
Windows 10
Architecture
64-bit (x64), 32-bit (x86)
File size
288 KB
File name
d378fb0c-af91-40fd-85f4-f8a6753aae51_65d5036a995edde1fefbc9281d1a698df81014b6.cab
Digital signature
Signed - catalog snxpci.cat
INF version
05/14/2018,9.0.3.0
INF provider
SUNIX Co., Ltd.
Device class
MultiFunction
Source
Microsoft Update Catalog
Last verified
July 8, 2026
SHA-256
44e1125d1a45b95d8dc939239b7cd04221fa5e4b622d529fa3d4befcfcc9c2d0

Supported hardware IDs (98)

Compare with your device: Device Manager → right-click the device → Properties → Details → Hardware Ids. If one of the values above matches, this driver supports your hardware.

How to install

  1. Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
  2. Verify compatibility: your Windows version (Windows 10) and architecture (x64, x86)must match this driver, and your device's Hardware ID should appear in the list above.
  3. Download the file using the button - it comes directly from Microsoft Update Catalog.
  4. Optionally verify the checksum: open PowerShell, run Get-FileHash your-download.cab -Algorithm SHA256 and compare with the SHA-256 above.
  5. Extract the .cab archive: right-click → Extract All, or run expand -F:* file.cab C:\driver\ in Command Prompt.
  6. Install via Device Manager: right-click your device → Update driver → Browse my computer → point to the extracted folder. Alternatively run pnputil /add-driver C:\driver\*.inf /install.
  7. Check Device Manager: the device should show no warning icons, and the driver version should match.

How to roll back

If the device stops working after the update: Device Manager → right-click the device → Properties → Driver tab → Roll Back Driver. If the button is greyed out, use the restore point from step 1 (Start → "Recovery" → Open System Restore).

Other versions of this driver

VersionReleasedSource
10.3.1.0July 22, 2025Microsoft Update Catalog
10.3.1.0July 22, 2025Microsoft Update Catalog
10.2.9.0January 8, 2025Microsoft Update Catalog
10.2.8.0October 1, 2024Microsoft Update Catalog
10.2.7.0September 11, 2024Microsoft Update Catalog
10.2.6.0July 26, 2024Microsoft Update Catalog
10.2.5.0December 14, 2023Microsoft Update Catalog
10.2.4.0October 3, 2023Microsoft Update Catalog
10.2.3.0May 22, 2023Microsoft Update Catalog
10.2.3.0May 22, 2023Microsoft Update Catalog
10.2.2.0March 27, 2023Microsoft Update Catalog
10.2.1.0December 15, 2022Microsoft Update Catalog