Well, looks like my kit is unstable at default settings ( DDR3-1866 8-8-8-24 1.9V ).
It's totally unstable in SuperPi 32M ( not even initial value calculation ) and unstable in Windows Media Player also

Tried with 1.95V as well, without success.
Sub-timings doesn't seem to be a factor at all, strict or loose, still the same results and instability level.
Gonna try some more, maybe different BIOS and/or mobo later on.
[ current config = Asus P5K3 Deluxe, BIOS v0704, Black Slots ]
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