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Current release:For previous versions see version history.

Supported Operating Systems

Operating SystemINtime 3.xINtime 4.x
General Information


  • Offers the common CIF API for application programming
  • Automatic hardware detection for ISA, PCI and CompactPCI hardware
  • Device selection by board number
  • All devices can be used simultaneously (ISA, PCI, CompactPCI)
  • Up to four devices (ISA, PCI or CompactPCI) are possible within a system


  • Up to 32 INtime applications can access the driver at the same time
  • Only one Windows application can have an active connection to the driver at any given time.
  • When one or more INtime applications have an active connection to the driver, then the Windows application connected to the driver is restricted to “READ ONLY” calls
    (See Section 6.3 for a list of calls and their support from a Windows application when any INtime application is connected to the INtime CIF driver.
  • Only device polling is supported

For more details click here.


TenAsys Corporation’s INtime product is a real time extension for Microsoft Windows.
The INtime CIF Driver is a real time (RT) Driver (CIFINtimeDrv.rta) that supports CIF30 (ISA), CIF50 (PCI) and CIF80 (CompactPCI) cards.

For more details click here.

Road map

For more details click here.

Document TypeTitleContentsRevDateFile Type
Driver Manual

cif Device Driver - INtime.pdf

Driver Installation and restrictions410-2010PDF
Programming Reference Guidecif Device Driver - Windows.pdfDescription and usage of the standard CIF API1402-2013PDF


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