User`s guide

PCIS-DASK Utilities ? 43
6
PCIS-DASK Utilities
This chapter introduces the tools that accompanied with the PCIS-DASK package.
6.1 NuDAQ Registry/Configuration utility (PciUtil)
PciUtil is used for the users to register PCIS-DASK drivers (Windows NT4 only), remove installed drivers (Windows
NT4 only), and set/modify the allocated buffer sizes of AI, AO, DI and DO. The default location of this utility is
<InstallDir>\Util directory.
[PciUtil in Windows NT]
The PciUtil main window is shown as the following window. If any PCIS-DASK/NT driver has been registered, it will be
shown on the Registered Driver list.
To register one of PCIS-DASK drivers, click “New…” button and a Driver Configuration window appears.
In this window, users can select the driver you want to register and input the parameters in the box corresponding to AI,
AO, DI, or DO for the requirement of your applications. The “Buffer Allocated” of AI, AO, DI, DO represent the sizes of
contiguous Initially Allocated memory for continuous analog input, analog output, digital input, digital output respectively.
Its unit is KB, i.e. 1024 bytes. Device driver will try to allocate these sizes of memory at system startup time. The size of
initially allocated memory is the maximum memory size that