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ASRock P45R2000-WiFi / P45R2000 / P45TurboTwins2000 Motherboard
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2.3 Installation of Memor2.3 Installation of Memor
2.3 Installation of Memor2.3 Installation of Memor
2.3 Installation of Memor
y Modules (DIMM)y Modules (DIMM)
y Modules (DIMM)y Modules (DIMM)
y Modules (DIMM)
This motherboard provides two 240-pin DDR2 (Double Data Rate 2) DIMM slots and
four 240-pin DDR3 (Double Data Rate 3) 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) DDR2/DDR3 DIMM pair in
the slots of the same color. In other words, you have to install identical DDR2
DIMM pair in Dual Channel A (DDRII_1 and DDRII_2; Yellow slots; see p.2/3 No.
6), identical DDR3 DIMM pair in Dual Channel B (DDR3_A1 and DDR3_B1; Green
slots; see p.2/3 No.7), or identical DDR3 DIMM pair in Dual Channel C (DDR3_A2
and DDR3_B2; Pink slots; see p.2/3 No.8), so that Dual Channel Memory Technol-
ogy can be activated. This motherboard also allows you to install four DDR3 DIMMs
for dual channel configuration, and please install identical DDR3 DIMMs in all four
slots. You may refer to the Dual Channel Memory Configuration Table below.
DDR3_A1 DDR3_A2 DDR3_B1 DDR3_B2
(Green Slot) (Pink Slot) (Green Slot) (Pink Slot)
2 memory modules SS X SS X
2 memory modules DS X DS X
2 memory modules X SS X SS
2 memory modules X DS X DS
4 memory modules SS SS SS SS
4 memory modules DS DS DS DS
Dual Channel DDR3 Memory Configurations
(DS: Double Side, SS: Single Side)
DDRII_1 DDRII_2
(Yellow Slot) (Yellow Slot)
2 memory modules SS SS
2 memory modules DS DS
Dual Channel DDR2 Memory Configurations
(DS: Double Side, SS: Single Side)
1. If you want to install two memory modules, for optimal compatibil-
ity and reliability, it is recommended to install them in the slots of
the same color. In other words, install them in the set of yellow
slots (DDRII_1 and DDRII_2), in the set of green slots (DDR3_A1
and DDR3_B1), or in the set of pink slots (DDR3_A2 and
DDR3_B2).
