>> On Mon, Aug 25, 2008 at 06:58:30PM -0700, Neko wrote: >> > 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 , >> > ..
>> > 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
