On Mon, Jun 05, 2000 at 09:01:38PM -0400, fred smith wrote:
> I'm no newbie but this is a newbie-like question since I've no experience
> with this particular topic....
>
> I've been running Linux since the 1.1.59 kernel on Slackware 2.1. Am now
> at RH 6.2 which was an upgrade on top of 5.2. The 5.2 was a fresh install
> on my hard drive back when it was powered by an old P90 mobo. Later I
> slid a new motherboard in underneath that installation without tweaking
> anything.
>
> The "new" motherboard (now a year old) is a FIC VA503+ with a K6-2/350
> CPU. This board uses some flavor (which I don't have in my head right now)
> of VIA chipset.
>
> So, my question is this:
> Given this board and the history of the OS installed, is it safe to enable
> UDMA? The CMOS setup now shows it to be disabled. I believe the hard drives
> will supporr it, both are Maxtor drives not more than 2 years old.
>
> given my ignorance of the subject I don't know:
> 1. if its SAFE to do,
> 2. HOW to do it (some postings have said to just do the right incanation
> with 'hdparm', but since the CMOS indicates UDMA is disabled do I also
> need to tweak the CMOS setup too?)
> 3. how to tell for sure if it's trashing my system before it is totally
> trashed (i.e., how to tell quickly if something is wrong so I can
> turn it back off before the damage becomes irreparable).
>
> All reasonable advice would be appreciated.
Well, I cannot comment on the safety. I can say that I have done it before on the same
motherboard and processor combo. hdparm will do the trick. You can read up on it at
http://www.linux.com. They have in their tune up section a couple of posts about it.
Victor
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