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2. Tw o DDR memory modules are installed (the same memory size and ty pe): The Dual
Channel Technology w ill operate w hen tw o memory m odules are inserted indiv idually
intoC hannel A and B. If y ou install tw o memory modules in the same channel, the Dual
Channel Technology w ill not operate.
3. Three DDR memory modules are ins talled: Please note that The Dual Channel
Technology w ill not operate w hen three DDR memory modules are installed; part of
them w ill not be detected.
4. Four DDR memory modules are installed: If y ou install four memory modules at the same
time, the Dual Channel Technology w ill operate only w hen those modules hav e the same
memory size and ty pe.
We'll strongly recommend our user to slot two DDR memory modules into the DIMMs with the same
color in order for Dual Channel Technology to work.
The following tables include all memory-installed combination types:
(Please note that those ty pes not in the tables w ill not boot up.)
l Figure 1: Dual Channel T echnology (DS: Double Side, SS: Single Side)
DIMM 1
2 me mory mod ules
DS/SS
X
4 me mory mod ules
DS/SS
l Figure 2: Don't operate Dual Channel Technology (DS: Double Side, SS: Single Side)
DIMM 1
1 me mory mo dule
DS/SS
X
X
X
2 me mory mod ules
DS/SS
X
3 me mory mod ules
DS/SS
DS/SS
DS/SS
X
DIMM 2
DIMM 3
X
DS/SS
DS/SS
X
DS/SS
DS/SS
DIMM 2
DIMM 3
X
X
DS/SS
X
X
DS/SS
X
X
DS/SS
X
X
DS/SS
DS/SS
DS/SS
DS/SS
X
X
DS/SS
DS/SS
DS/SS
- 15 -
DIMM 4
X
DS/SS
DS/SS
DIMM 4
X
X
X
DS/SS
X
DS/SS
X
DS/SS
DS/SS
DS/SS
Hardw are Installation Process
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