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2.3 Installation of Memory Modules (DIMM)
P4S55FX+ / P4S55FX motherboard provides four 184-pin DDR (Double Data
Rate) DIMM slots, and supports Dual Channel Memory Technology. For dual
channel configuration, you always need to install identical (the same brand,
speed, size and chip-type) DDR DIMM pair in the slots of the same color. In other
words, you have to install identical DDR DIMM pair in Dual Channel A (DDR1
and DDR3; Blue slots; see p.7 No. 6 / p.8 No.6) or identical DDR DIMM pair in Dual
Channel B (DDR2 and DDR4; Black slots; see p.7 No. 10 / p.8 No.10), so that
Dual Channel Memory Technology can be activated. This motherboard also
allows you to install four DDR DIMMs for dual channel configuration. In that case,
it is not necessary to install identical DDR DIMMs in all four slots; however, it
always requires identical DDR DIMM pair to be installed in the slots of the same
color. Please refer to the Dual Channel Memory Configuration Table below.
1 2
This Manual: http://www.manuallib.com/file/2446253
Dual Channel Memory Configurations
DDR1
(Blue Slot)
(1)
Populated
(2)
-
(3)*
Populated
*
For the configuration (3), you may:
install identical DDR DIMMs in all four slots or
install identical DDR DIMM pair in DDR1 (Blue Slot) and DDR3 (Blue Slot)
and identical DDR DIMM pair in DDR2 (Black Slot) and DDR4 (Black Slot)
1.
If you want to install two memory modules, for optimal compatibility
and reliability, it is recommended to install them in the slots of the
same color. In other words, install them either in the set of blue slots
(DDR1 and DDR3), or in the set of black slots (DDR2 and DDR4).
2.
If only one memory module or three memory modules are installed
in the DDR DIMM slots on this motherboard, it is unable to activate
the Dual Channel Memory Technology.
3.
If a pair of memory modules is NOT installed in the same Dual
Channel, for example, installing a pair of memory modules in DDR1
and DDR2, it is unable to activate the Dual Channel Memory Tech-
nology .
DDR2
DDR3
(Black Slot)
(Blue Slot)
-
Populated
Populated
-
Populated
Populated
DDR4
(Black Slot)
-
Populated
Populated
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