On Sun, Jun 03, 2001 at 11:57:46AM +0100, Tim Waugh wrote:
> On Sun, Jun 03, 2001 at 11:45:47AM +0100, Jesús Torres wrote:
> > On Sat, Jun 02, 2001 at 06:31:20PM +0100, Tim Waugh wrote:
> > > But why switch away from a DMA ECP-capable onboard port anyway?
> > I have a throughtput of 500 KB/s with a onboard port.
> Using DMA?
DMA or PIO.
> > Is The DMA support a restriction of the Linux driver or of the PCI bus?
> The Linux driver. Basically, as soon as someone gets PCI interrupts
> going in the driver, DMA support will follow naturally.
But that DMA isn't the same that ISA DMA. The ISA DMA is a third level
DMA with a device and every card must use a channel.
The PCI DMA is altrought the bus master support.
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