Messages in this thread | | | Date | Sun, 22 Aug 1999 19:59:06 -0700 (PDT) | From | <> | Subject | Re: Very slow IDE performance |
| |
The slowest DMA mode 2 multiword I have observed on a disk was near 3.4MB/sec. But this had a disk that did not use its cache and was bloated with firmware.
Andre Hedrick The Linux IDE guy
On Mon, 23 Aug 1999, Alan Cox wrote:
> > The amount of RAM the kernel found was normal, the bogomips value at > > Over 64Mb ? If so try mem=64M > > > I had her do hdparm -t , which gave a transfer rate of .38 Megs per > > second. Any ideas on what could cause this? Unfortunately, I don't > > For some of the very very old drives that is believable, but not for > anything with DMA mode 2. Obvious stuff - is the cache enabled on the > machine, does hdparm -T (test buffer cache) look believable for a P90 etc > > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.rutgers.edu > 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.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
| |