It’s a great chip.
Works fine at 900 at default voltage and at 112*9 1010MHz using just 1.75V. It’s been rock solid; I have had it now for three days, and it’s been calculating RC5-64 blocks for 52 hours without any problem using just an FKP32 and open computer case.
I am very glad I upgraded. My Cel2 566@850 1.85V could go no higher. I used up to 2.0V but only 850 was stable. After that, I’m very happy running 1010MHz 1.75V on a QDI BrillianX 1S 440BX mobo (I know but its stable very stable) that QDI says can’t run a Coppermine. LOL!