"Ebinger . Eric" wrote:
>
> > -----Original Message-----
> > From: Dan Morrill [mailto:morrildl@nycap.rr.com]
> I don't know about the performance but I have accessed an IDE hard drive
> on the 164SX under Linux as well as an IDE CD-ROM. Note that this was
> using the generic IDE driver. The latest versions of the Linux kernel
> are rumored to include support for the Cypress, which would be required
> in order to get DMA to work in any case.
>
> Eric Ebinger
I am running 2.2.13 with the ide patches applied, as tweaked with hdparm
as I can:
hdparm -c1d1m16X34u1k1K1 /dev/hda
On an IBM 15gig (U)DMA hard drive. Here are some common results for
hdparm -vTt /dev/hda:
/dev/hda:
multcount = 16 (on)
I/O support = 1 (32-bit)
unmaskirq = 1 (on)
using_dma = 1 (on)
keepsettings = 1 (on)
nowerr = 0 (off)
readonly = 0 (off)
readahead = 8 (on)
geometry = 29795/16/63, sectors = 30033360, start = 0
Timing buffer-cache reads: 128 MB in 1.58 seconds =80.83 MB/sec
Timing buffered disk reads: 64 MB in 7.97 seconds = 8.03 MB/sec
Not a speed deamon by any means, but it sure beats the 1.5 MB/sec I was
getting before I discovered the ide patch and hdparm.
Chris Kloiber
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