SATA drives and DMA
Hi,
I'm trying to enable DMA support in a SATA drive (I'm using a common Silicon Image 3112 controller). So far when I try to enable DMA: Code:
sudo hdparm -d1 /dev/sda Code:
/dev/sda: Do you know any workaround for this without recompiling the kernel ? Thanks in advance, - Juan |
hdparm does not work with SCSI or SATA disks...
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And, as far as I know, there's no such thing as turning DMA for SATA drives on and off.
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If there is no DMA for SATA I don't know what can be wrong... this is the drive info:
Code:
/dev/sda: |
It's pretty hard to find some quotable source for the SATA-(non)DMA thingy, but maybe this one points in the right direction:
http://www.gatago.com/linux/kernel/14699741.html Some people with similar problems report that it was a driver issue, and recompiling the kernel helped (in German only: click, and note it's not a recent kernel). You might also want to have a look at this: http://www.linuxquestions.org/questi...d.php?t=385371 Unfortunately, this is all I could find out. |
hdparm doesnt work with SATA drives?
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How can I set this with SATA? My main problem is that burning 700MB CD takes 6 mins and should take less than 2min. It takes 1.5min on older laptop with slower CD drive with DMA and 32bit IO enabled. |
Quote:
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