User`s manual

88 Utilities
PCIS-DASK
Win32 Utilities
Using PciUtil in Windows
®
98/2000/XP/Server 2003
The PciUtil sets or modifies the allocated buffer sizes of AI, AO,
DI and DO in Windows
®
98/2000/XP/Server 2003 environment.
The allocated buffer represents the size of contiguous, initially
allocated memory for continuous analog input, analog output, digi-
tal input, and digital output. The device driver allocates the mem-
ory size during system startup. The size of initially allocated
memory is the maximum memory size that DMA or interrupt trans-
fer can be performed. An unexpected result occurs when the DMA
or interrupt transfer performs an operation exceeding the initially
allocated size.
To set the buffer size, key-in the allocated buffer (KB) for the AI,
AO, DI, or DO functions depending on your application require-
ments from the Driver Configuration window. Click OK when fin-
ished.