Messages in this thread |  | | Date | Thu, 31 Aug 2000 23:05:00 -0400 | From | Jonathan Stanford <> | Subject | Re: UDMA/66 |
| |
Thanks for the help....
i was running at 3.4 MB/sec now it's as high as 27 MB/sec
>for starters any other suggestions?
shouldn't DMA be enabled upon bootup?
Mike Sklar wrote: > > hdparm /dev/hda (or whatever your drive is called) > > Want to see transfer speeds? > > hdparm -t /dev/hda > > A ATA/66 drive @ 7200 RPM should be doing 30MB/s. ATA/33 drive should be > doing 15MB/s. Are you getting 4MB/s? Try just turning on generic dma for > starters. > > hdparm -d1 /dev/hda > > ...g'luck. > > On Thu, 31 Aug 2000, Jonathan Stanford wrote: > > > This is just my lack of experiance talking, but here's the deal... > > > > I have a VIA chipset that supports UDMA66. > > the HD also supports it.... > > bla bla bla.. > > > > how do i know that linux is using the drive in UDMA66 mode? > > > > I do get the message at bootup: > > ide0: VIA Bus-Master (U)DMA Timing Config Success > > > > But that could be UDMA16 for all i know.... > > > > How do i know what mode it's in? > > > > -- > > Jonathan Stanford <jomast@mindspring.com> > > "Stand on your own head for a change" - TMBG > > - > > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > > the body of a message to majordomo@vger.kernel.org > > Please read the FAQ at http://www.tux.org/lkml/ > > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
|  |