You realy got a bad IOH Zsams.
FYI we had 6 REX III setups working for the Tones OC demo (all retail ones) : one board just like yours had a 215 Bclock wall. All the others went happily over 225. Yep all Bloomfields CPU's: 930, 950 and 975 and one ES GT 970. Biosses varying from 0704 to 0901.... Me and Massman verified the Bclocks on friday... One board had zero IOH contact and was straight on first boot 90°C lol...
My i950 clocks 229 rockstable on my board (never ever did that on one my previous boards), Gamer's Xeon 3540 even does 233 on air (almost same as on his Classified : 235)
My point is : it's not all the boards, it's just the crappy IOH ones that have issues... This same Bclock issue is also on MSI Xpower ( there's it's also related to PCB and co ) and Gigabyte UD9--> first sample had a 220 Bclock wall...
I really wished some binning was possible on the IOH's before putting them into the top of the line boards... my Rampage Gene II had a 225 wall while my REX II was a 222 one...
EDIT : Just assembling one right now : i930 cpu is Wpriming at 225 ( no slo mode ) HT is off as it's only the boxed cooler
Saaya yupp, I agree
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