On Wednesday 13 May 2009 09:58:49 bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=13286 > > > > > > --- Comment #2 from fibre_optic@xxxxxx 2009-05-13 07:58:48 --- > "Does 2.6.27.21 use DMA?" > > I will check it today evening. > > "Is this system equipped with on-board IDE->CF adapter, > or is it an add-on one?" > > It is an additional hardware. The hardwer is connected to mother board (IDE > ifc) and CF-CARD is inserted in a slot on the hardware. Ok. > "Does this adapter support DMA at the hardware level > (some adapters don't have DMA lines)?" > > Take a look belllow, is it what you need? > > # hdparm -i /dev/hda We know that the device supports DMA but we don't know about the adapter. Unfortunately there is no software method to check it so you need to look at PCB and verify if there are any routes connected to pins 21 and 29 (DMARQ and -DMACK lines). -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
