User`s guide

Getting Started • 7
From this window, user can select the driver you want to register and type
the value in the box corresponding to AI, AO, DI, or DO according to 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 DMA or Interrupt transfer can be performed. It
will induce an unexpected result in that DMA or Interrupt transfer
performed exceeds the initially allocated size.
After the device configurations of the driver you select is finished, click “OK”
to register the driver and return to the PciUtil main window. The driver you
just registered will be shown on the registered driver list as the following
figure:
Then you can select Exit! Command in the menu bar to exit the driver
registry utility. To make the registered drivers work, you have to re-start
Windows NT system.
When the installation process is completed, the PCISDDE directory should
contain the following files and sub-directories.