Options of DMA with the NI PXI for the PCI 3 rd-party with no DMA controller device

Hello

I need to extract data my device PCI 3 rd-party at 22 MB/s.  The fastest, that I was able to continue to use NI-VISA 5.4 in LabVIEW 2013 is 1.6 MB/s with the function move in 64.  There is no DMA controller on the 3rd party device.  I was hoping to use the DMA of the host controller and a VISA MEMACC object, but I fell on 3229I2RA knowledge base: How do NI PXI controllers support DMA (Direct Memory Access)?  The KB has that "our PXI controllers support only the PCI specification and therefore do not a DMA controller on the motherboard."  If there is no DMA controller on the PCI 3 rd-party device, is there no DMA option for my 3rd - party on NI PXI controllers device?

Thanks for your time and your thoughts,

Steve K

Currently, there is no controller PCI DMA accessible by the user on computers NI PXI.

Tags: NI Hardware

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