OK, I'm wired for 1.90V default and...

[Newbie_Doo]

my cB0 Celeron2-600 is very unstable at 1008 (with the voltage up to 1.95V). It's definitely NOT temperature, watercooling is holding temps to a few degrees C over ambient. I am getting registry errors. Have I reached the limits of the chip? Should I risk a little more voltage tweak?

As I am typing this, I am at 990Mhz, 22C, 1.90V (showing 1.88V in MBM). I haven't run any benchmarks yet above 945MHz, but I HAVE broken through that barrier. Any suggestions would be appreciated.

[Mr B]

You might have hit the ceiling there, Newbie Doo.

My first C II 600 only made it to 945, no matter how much vcore I gave it. 945/1.9v, no more than. I tried as high as 2.05v, and it still wouldn't even post at the next FSB setting (110).

Damn....I was hoping you'd get 112 stable, too. Try 2.05 briefly, and see if it flies. If not come on back to 1.9-1.95v.

Mr B

[Newbie_Doo]

Couldn't solve the registry errors, and they started happening at lower setting too. The drive got corrupted. Worse, I discovered that the reason might have been related to heat at the very end due to the failure of the socket lug and the displacement of the waterblock. Thankfully the chip survived the ordeal, but my main box is down AGAIN (for a day until I can rebuild on the Slot-1 board).

I have no idea why the lug failed, I am VERY careful about tension on the clip, and when I closed the cover, all was well. IT JUST FAILED! There, I think I feel better. Hopefully, the manufacturer will honor their warranty against defects in materials and workmanship....

[Shadow ÒÓ]

Is it a new chip Nubie and have you burned it in at all?

[Newbie_Doo]

Been there-done that.

The chip is 6 months old, and had been running at 945 for a while before the old Soyo board spit the dummy. The new Soyo board's lug apparently sheared while I was increasing the FSB, because I was fine at 1008, then not fine, then not fine at 981, then not fine at 945, then wouldn't boot at default-hard lockup going into BIOS. At this point I shut it down and opened the case to find the waterblock hanging, much to my horror, with the lug sitting on my AGP card.

This particular board had been delivering low voltages from the beginning and I was seriously thinking of getting it replaced anyway. Now I have no choice in the matter.

The chip is working in my backup box, so at least it survived.