COM-DRV(WDM) has
revised specifications such as supported OS and development environment
in January 2025.
Please make sure that the Windows OS and development tool you are using
are supported, and then upgrade the version.
For the supported OS and development tool, please refer to the driver specification
table of each device driver.
Current version: https://www.contec.com/download/list/driver-software/comdvr/
Exempting from "Supported Application Framework": .NET 6
Cause : Became
unsupported versions. (End of life : November 12, 2024)
Reference : Status of .NET versions https://dotnet.microsoft.com/en-us/platform/support/policy/dotnet-core
Exempting from "Supported development tools" : Python 3.8
Cause : Became
unsupported versions. (End of life : October 07, 2024)
Reference : Status of Python versions https://devguide.python.org/versions/#unsupported-versions
Even if the version of Windows OS or development
tool you are using is not supported, you can download the old version
from CONTEC website.
We always recommend using the current version, but please use the old version
as necessary.
- COM-DRV(W32) for PCI bus boards, PCI
Express bus boards
https://www.contec.com/download/list/driver-software/comdvr_old/#pci
- Windows COM Driver for USB [COM-1xx(USB)H]
for USB micro converters
https://www.contec.com/download/list/driver-software/comdvr_old/#usbm
- Driver for USB compatible serial communication
unit COM-4xx-USB for USB units
https://www.contec.com/download/list/driver-software/comdvr_old/#usbu