What is DMA?

John

On 6 Jan 2010 at 14:21, Sebastian Kuzminsky wrote:

> John Thornton wrote:
> > The 5i23 will not gain you anything for use with EMC.
> 
> There is currently nothing to be gained by using the 5i23 over the
> 5i20, 
> but there are two possible future advantages that may become real
> some 
> time.  One is that the 5i23 has a 400 Kgate FPGA (vs the 200 Kgate
> FPGA 
> on the 5i20), the other is that the 5i23's PCI chipset can support
> DMA.
> 
> There are currently no hostmot2 firmwares that don't fit in 200
> Kgates, 
> and the EMC2 hostmot2 driver does not currently use DMA.  But who
> knows 
> that 2010 will bring?
> 
> 
> -- 
> Sebastian Kuzminsky
> 
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