ASROCK Fatal1ty X79 Champion Serie Bedienungsanleitung Seite 18

2.3 Installation of Memory Modules (DIMM)
This motherboard provides eight 240-pin DDR3 (Double Data Rate 3) DIMM
slots, and supports Quad Channel Memory Technology. For quad channel con-
figuration, you always need to install identical (the same brand, speed, size
and chip-type) DDR3 DIMM in the slots, so that Quad Channel Memory Tech-
nology can be activated.
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Due to Intel CPU spec definition, please install the memory mod-
ules on DDR3_A1, DDR3_B1, DDR3_C1 and DDR3_D1 for first
priority. If the four DDR3 DIMM slots above are fully installed, and
you want to use more than four memory modules, please install the
other memory modules from left to right (from DDR3_A2, DDR3_
B2, DDR3_D2 to DDR3_C2.)
If only two memory modules are installed in the DDR3 DIMM slots,
then Dual Channel Memory Technology is activated. If three mem-
ory modules are installed, then Triple Channel Memory Technology
is activated. If more than four memory modules are installed in the
DDR3 DIMM slots, then Quad Channel Memory Technology is acti-
vated.
It is not allowed to install a DDR or DDR2 memory module into
DDR3 slot; otherwise, this motherboard and DIMM may be dam-
aged.
Fatal1ty X79 Champion Series Motherboard