[parisc-linux] C3000 and IDE DMA support

Randolph Chung Randolph Chung <randolph@tausq.org>
Tue, 26 Aug 2003 07:52:38 -0700


> - the hard disk performs very bad (just 3.13 MB/s instead of expected
>   >30 MB/s, tested with similar drive in PC and same hdparm settings)
>   In fact it shows typical data rates for unsupported DMA transfers

You are right, DMA is not yet supported on superio... at some point it
was sort of working, but not very reliably... 

it's a worthwhile project if you want to do some kernel hacking :-)

randolph
-- 
Randolph Chung
Debian GNU/Linux Developer, hppa/ia64 ports
http://www.tausq.org/