1.You will most likely crash your system trying to write meg's/sec of
data to system memory. LabVIEW has it's own memory manager and manages
data for you. If you getting data to LabVIEW, I hope for the
processinfg purposes. You didn't mentioned what do you want to do with
that heap of data.
2.You probably can access your data from your card using VISA if you
know card's registers and memory i/o block as BIOS assigning this block
to your card. Search through VISA documentation and NI site how to do