[lkml]   [1999]   [Mar]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: NetGear FA310TX/tulip.c
> > The ISA DMA 16bit sound problem is VIA specific. And its a bug. And its
> > a right royal pain in the arse.
> What DMA problem is this? The only DMA problem im aware if is "trickle DMA
> on PCI sound cards and PCI video cards hogging the bus" problem. Eg the
> old Matrox PCI video killing sound bug.

Disabling a 16bit DMA channel has a chance of hanging the chipset solid.

> FWIW I havent had any problems with CS4237B DMA driven ISA sound cards on
> VP3 chipsets, while driving UDMA drives full throttle.

This is ISA specific - it doesnt even seem to matter what PCI stuff is
going on. If you look in the PCI quirks you'll find "ISA DMA workaround"
listed. It only affects some boards but VIA don't believe in talking to
their users it seems so I've no idea if there is a workaround


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:51    [from the cache]
©2003-2014 Jasper Spaans. hosted at Digital Ocean