Arb:Data Transfer:Advanced:Host DMA Buffer Size Property

NI RF Signal Generators Help (NI-RFSG 18.1)


Edition Date: June 2018
Part Number: 371025V-01
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Short Name: Host DMA Buffer Size

Property of niRFSG

Specifies the size of the DMA buffer in computer memory, in bytes. To set this property, the NI-RFSG device must be in the Configuration state.

A sufficiently large host DMA buffer improves performance by allowing large writes to be transferred more efficiently.

Supported Devices: PXIe-5820/5840

Default Value: 8 MB

Remarks

The following table lists the characteristics of this property.

Datatype iQ
PermissionsRead/Write
High-level VIs N/A
Channel-based Yes
ResettableYes

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