you just have better sticks or mobo probably
they differ a lot Felipe :( (mobos that is)
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probably high clock tight 6-5-5-x or 6-6-5-x with tight sub timings >DDR3-1866 - 1900+ Mhz heh
and i think these days hipro running quad core so naturally they need more NB volts to go higher FSB wise to match DDR3 limited mem dividers
i needed 1.63v NB for this DDR3-1820 7-6-5-18 1T
http://fileshosts.com/intel/Asus/Bli...1m48s031ms.png
:D
On my P5E3 WS Pro, I have placed a Swiftech heatsink on it with a DELTA fan 4 x 4 10000rpms....There is NO way that it can handle 1.85V IF I was using the DEFAULT heatsink EVEN with the DELTA on it.... ;)
I feed in on every bench I do, 1.81Volts and for the "light" benches like Super-pi 1M, WinRAR, pi-fast, etc, at 1.85Volts...
On my Blitz Extreme I'm with 2.01Volts for ALL benches.....
My other UNMODED P5E3 WS Pro OR the P5E64 WS Pro, I feed them with NO MORE that 1.69Volts.......They can't handle more than that due to their DEFAULT heatsink..... ;)
EDIT: ALSO remember this 32M bench of mine that was done with 2.01V on P53 and 2.42Vdimm..... Not bad if you ALSO see the tight subtimmings here..... ;)
http://www.hipro-tech.com/images/hip...1040rams_1.png
http://www.hipro-tech.com/images/hip...1040rams_2.png
......and this 32M was done with the rams at 1T and 1029MHz (no further tweak like CW or so)....
http://www.hipro-tech.com/images/hip..._NO_MAXMEM.png
there are a lot of variations between boards/nbs ... some need high volts some dont... 0.67x setting didnt help me either, havent tried more than 1.7v chipset voltage.
why do you think 1.85v vmch is too hight though?
i havent heard of anybody killing their mainboard with vmch yet...