Re: DMA controller on Northbridge?

2011-03-22 Thread Kostik Belousov
On Tue, Mar 22, 2011 at 11:55:59AM -0700, Matthew Fleming wrote: > On Tue, Mar 22, 2011 at 11:12 AM, Kostik Belousov wrote: > > On Tue, Mar 22, 2011 at 10:11:04AM -0700, Matthew Fleming wrote: > >> How can I tell if the Northbridge on a machine has a built-in DMA > >> controller?  And if it does,

Re: DMA controller on Northbridge?

2011-03-22 Thread Matthew Fleming
On Tue, Mar 22, 2011 at 11:12 AM, Kostik Belousov wrote: > On Tue, Mar 22, 2011 at 10:11:04AM -0700, Matthew Fleming wrote: >> How can I tell if the Northbridge on a machine has a built-in DMA >> controller?  And if it does, what device would I use to control it? >> >> I ask because I'm working wi

Re: DMA controller on Northbridge?

2011-03-22 Thread Kostik Belousov
On Tue, Mar 22, 2011 at 10:11:04AM -0700, Matthew Fleming wrote: > How can I tell if the Northbridge on a machine has a built-in DMA > controller? And if it does, what device would I use to control it? > > I ask because I'm working with a PCI card that has a 36-bit physical > address limit, and t

Re: DMA controller on Northbridge?

2011-03-22 Thread Mark Tinguely
On 3/22/2011 12:11 PM, Matthew Fleming wrote: How can I tell if the Northbridge on a machine has a built-in DMA controller? And if it does, what device would I use to control it? I ask because I'm working with a PCI card that has a 36-bit physical address limit, and that means bounce buffers wh

DMA controller on Northbridge?

2011-03-22 Thread Matthew Fleming
How can I tell if the Northbridge on a machine has a built-in DMA controller? And if it does, what device would I use to control it? I ask because I'm working with a PCI card that has a 36-bit physical address limit, and that means bounce buffers when using more than 64GB of memory. I'd prefer n