Mailinglist Archive: opensuse (3729 mails)

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Re: [SLE] PowerTweak/DMA/Latency in 8.1 - was:DVD Playback Problem - SOLVED
  • From: Lars Norén <lars.noren@xxxxxxxxxxxxxxxxxx>
  • Date: Sat, 14 Jun 2003 10:12:54 +0200
  • Message-id: <3EEAD906.9060708@xxxxxxxxxxxxxxxxxx>
Bernd wrote:
Bernd wrote:

I'm running 8.1. I didn't have powertweak installed, so I downloaded and installed it, -extra, -gtk, and yast2- for 8.1. I now have powertweak as an option in Yast, yet I am not able to change any values. My ELEVATOR_READ_LATENCY default is set to 1024.

I also only have DMA setting available as IDE DMA mode, and only for hda.

Any suggestions?

Bernd



I might be mistaken, but isn't it so that there are no pull-down menues or boxes or anything like that in 8.1, you simply type the drives you want to enable DMA for: "hda, hdb, hdc"


I have DMA enabled for all drives and ELEVATOR_READ_LATENCY set to 32 for hdc (DVD) but it still doesn't work -- my guess is that it's due to the CD-R (hdd) on the same IDE channel which is slower than the DVD.



/Lars


On Friday 13 June 2003 11:02, Lars Norén wrote:

Bernd wrote:

Although I do have pulldown menus, I am unable to change anything. I
can't alter the default settings at all. I can highlight the entry, but
cannot delete the contents of the value box, or enter any new values. Having the powertweak feature in Yast is useless if I can't make any
changes on any of the sections listed in powertweak. It just shows me
the default info.

How do I set DMA for my drives? How can I change the read-latency?

Unfortunately I don't know anything about Powertveak in SuSE 8.1 and how
you can change the read-latency, but when it comes to the DMA settings I
think they can be found in the same place as in SuSE 8.2: YaST2 (Control
Center) - Hardware - IDE DMA mode.


/Lars


Control Center - IDE DMA only allows me to change DMA on/off for hda!

Any other suggestions for PowerTweak, DMA, and latency changes???

Bernd


Hmmm, strange -- is DMA enabled in BIOS, for all drives? I can't seem to find that particular option in my present BIOS, but I remember seeing it in the BIOS of my old motherboard, and I think you were able to choose between 'OFF', 'AUTO', PIO-mode 1, 1, 3, 4' or 'DMA-16, -33, -66' or something like that.


/Lars


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