Unexpected error from the Operating System

[Yves Berube Lauziere]

Hello everyone. I have a PCI 1200 board and I use LabWindows/CVI. I want to
make a scan on an analog input channel of my board. For this, I tried the
functions Lab_ISCAN_Op, nidaqAIScanOp and DAQ_Op, and for all of them, the
same error occurs, which is:

return value == -10856

with the message:

osError: An unexpected error occured from the operating system while performing
the given operation.

Any hints for me?

Thanks in advance.

Yves

[jboparai@my-deja.com]

I have similar problem with Error code= --10452 (noIntAvailError: No
interrupt level is available for use) when I used the Dap_Op() function.
After checking the system's resources (from Control Panel -> System and
click on properties to get the system resources used by my Lab-PC-1200 card.
Win98 has plug and play and so it shows me only the I/O ranges. I forced
the system to allow the Lab-PC card to use IRQ=3 and DMA=5. This resolve my
problem and no more Daq_Op() error messages. I hope this will help. Jack


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