Re: ruined partition. Can data be recovered?

Leo (Bing) Whiteway wrote:

......
> Well! I have been having problems for some time with my hard drives. I
> gave up on my Maxtor 80 gig and bought a new drive. 200 gig Seagate. It
> worked well for about 3 weeks and then it started having the same problems
> as the 80 gig. I googled around and tried a new 80 wire cable and all
> seemed ok for a bit. I bought a new cable and again it was ok for a while.
> I bought 4 more new 80 wire cables and tried them all. All showed the same
> dma errors. It was most noticeable if I had a second drive in the
> computer. I finally ended up with the partition hda20 errors. Finally I
> have changed the 80 wire cable to a 40 wire cable. I have now installed
> the "supposedly defective 80 gig hd" and with it on ide1 along with the
> dvd, their are no more errors. I found that almost all the data I had lost
> on hda20 was on the 80 gig drive. I am using the 80 gig Maxtor as my
> back-up and I will be saving it's data to dvd's often. I am now suspicious
> of my motherboard. It is an Asus A7V8X and I have heard no bad things
> about them but the suspicion stands. I will give up on recovering my data
> as I tried all I could and still no recovered data. I will run things like
> they are for a while and see if the problems I have had with the drives
> shows it's ugly head again before I make a decision re the motherboard.
> Thanks to all who answered my query.
>
You know, with 80wire cables and recent kernels activating udma by default,
that you should place the "master" jumpered drive at the terminating end of
the cable (maximum length 45cm) and the "slave", if present, on the middle
connector? Thanks to the high frequencies, reflections on the cable will
occur if you do otherwise. Now, you can still set "hdparm" settings
somewhat more conservative in your startup scripts. No need to exchange the
cable to a 40pin. Read "man hdparm" for how-to.

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