Enabling DMA

bizzikid · 04-01-2001, 04:53 PM

How can I check to see if DMA is being used on my HD's?

I did a hdparm and my drives seem really slow...like 3MB/sec!

And after I check it how do I enable it?

Thank you

Bizzikid

billsabub · 04-02-2001, 05:42 AM

Bizzikid,

Try:

#hdparm -c 1 -d 1 -k 1 /dev/hda

(got this from a related thread:
http://www.linuxquestions.org/questi...7&pagenumber=2
)

bizzikid · 04-02-2001, 03:14 PM

Thanks

That increased my speed 10X's!!!!

I still can't figure out how to make the system boot with those parameters, but I'll keep monitoring the other thread on this subject for it.

Thanks again

Bizzikid

soulsniper · 08-06-2003, 05:39 AM

Add the command:

#hdparm -c 1 -d 1 -k 1 /dev/hda

to your rc.local file or one of the init files...

That will enable DMA when you boot.

JZL240I-U · 08-06-2003, 05:56 AM

You should enable DMA in the BIOS, then booting is also faster, unless your distribution changes the settings to slow again.