Re: Generic PCI IDE bus-mastering DMA support

Christian Brunner (chb@muc.de)
Wed, 17 Sep 1997 22:08:17 +0200 (MET DST)


On 17 Sep 1997, Zlatko Calusic wrote:

> I have Digital Venturis FX 5133 (Pentium 133Mhz) with 5513 chipset,
> but did not managed to get DMA support with your patch.
>
> I'm not really sure if SiS 5513 in my computer has such abilities.
>
> I once had an opportunity to work on Venturis 5150 and seems like it
> has more advanced hardware (judging on Windows installation).
>
> These are messages from my kernel log (I made some changes in source
> to get them, only to get ide_init_triton even called!).
>
> kernel: SIS: bus-master IDE device on PCI bus 0 function 9
> kernel: SIS: bus-master DMA feature is not enabled (BIOS)
^^^^
try to enable it in your BIOS

> My question is: does SiS 5513 support DMA bus-mastering?

Yes. The 5513 supports DMA bus-mastering. I'm quite sure, since the 5513
is integrated in the SiS 5571, which is on my Mainboard. Try playing
around with the IDE switches in your BIOS.

Bye, Christian