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Old 08-10-2007, 07:17 PM   #1
Vitalie Ciubotaru
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Question ATA 100 HDD reports no DMA


There actually are several questions related to my hard drive.
1. during the boot time BIOS says my HDD is "LBA ATA100 120Gb". Do I have to pass any parameters to kernel in order to use that "100". AFAIK, the default is 33. I can increase this to 66 by adding something like "idebus=66" to the "kernel" string in GRUB's menu. I can well be missing [mixing up] something.
2. dmesg says no DMA found. hdparm says dma is not enabled (and I can't enable it). reiserfsck warns about the same thing. All this makes me think that the motherboard does not contain a particular piece of hardware (what does "dma" look like, anyway? - is it "sotf" or "hard"?)

Vitalie Ciubotaru
 
Old 08-10-2007, 08:53 PM   #2
GlennsPref
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Hi, First I would find the manufacturer of the HD and see if they provide any utlities to adjust those parameters.

And at first I suspected, Google hdparm, Between the two (manufacturer and hdparm) you should be able to resolve the issue.

http://www.linuxdevcenter.com/pub/a/...29/hdparm.html

Hope this helped a bit. Glenn
 
Old 10-24-2007, 01:27 AM   #3
GlennsPref
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"1. during the boot time BIOS says my HDD is "LBA ATA100 120Gb"."

You may have options in the bios to re/set the dma/pio settings.
 
  


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