DFI NF4 the UTT/VX/BH5 KILLER READ IF YOU HAVE DFI

[hovo73]

One think to add too though is that I've seen some dead Rams BUT their chips where OK......Their SPD chips were dead......After changing the SPD chip with another one, Ram was working perfect again.......Maybe the SPD chip can't handle the spikes or so and it's just give up

Hipro's theory of SPD-ROM chips dying sounds more reasonable to me. I had a look at my UTT sticks today and found out that the SPD-ROM chip used on mine ("TMC 24A02") is rated 2.5~5.5V. So on mine, there should theoretically be no problem with high Vdimm.

Just for fun:

Could anyone with "dead" RAM post the info printed on his SPD-ROM chip? Perhaps this way, we could find out quite fast, if the theory is any good.

Ive had the same problems but not on the dfi nf4. Mine was on the dfi ut 250gb. Killed 4 sticks of twinmos 3200 utt and 2 sticks of old school ch-5. I believe it was the spd chips also cause letting it sit for a day or 2 would let it run again but not for long. I could run memtest on them for days with no errors but as soon as I restarted they would boot till I pulled them out and let them sit for days in again. Now I have some newer twinmos utt and they have the larger spd chip in a different spot and havent had a problem with them. Maybe we should all check our dead sticks and see if they have the larger spd chip or the smaller one.

I still have my old bad TMII AA4T (CH-5/UTT) sticks and I have just received new TMSP 1A4T (BH-5/UTT) sticks so I decided to compare their SPD ROM Chips. As you can see they are different, both in sizes and in location. I hope this means something ... something good