>> On Mon, Aug 25, 2008 at 06:58:30PM -0700, Neko wrote:
quoted text
>> > Hi all,
>> >
>> > having a 250 GB drive on a PATA strip using lowest PIO
>> mode (without dma if possible), drive specs show a 8 MB
>> buffer ,
>> >
..

quoted text
>> > i had ran mine at 4mb block space thinking ill use the
>> 16mb bus transfer
>> > divided at most in 4, per second, but i achieved that
>> in a minute instead.
>> > this is really poor performance,  3 days for 250gb
>> transfer at 4mb bs
>> >

what do you expect ? PIO0 ist max. 3mbyte/sec, in reality
more like 1-2mbyte/sec. that's 125000sec=34hours if you are
lucky, 3days if you are unlucky.

switch to UDMA4/5/6 and you will get >30mbyte/sec but no,
I wan't no DMA and lowest PIO.

some days one is really wondering...

-sm