MSI G31M3 Serie Mode D'emploi page 15

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Memory
DDR2
Specification : 240-pin, 1.8v.
Single channel definition : All DIMM slots are GREEN color.
Dual channels definition : DIMM slot(s) on Channel A are marked in GREEN color.
DIMM slot(s) on Channel B are marked in Orange color.
Important
- DDR2 memory modules are not interchangeable with DDR and the DDR2 stan
dard is not backwards compatible. You should always install DDR2 memory
modules in the DDR2 DIMM slots.
- In Dual-Channel mode, make sure that you install memory modules of the same
type and density in different channel DIMM slots.
- To enable successful system boot-up, always insert the memory modules into the
DIMM1 first.
Installing Memory Modules
You can find the notch on the memory modules and the volt on the DIMM slots whether
DDR or DDR2. Follow the procedures below to install the memory module properly.
1. The memory modules has only one notch on the center and will only fit in the right
orient ation.
2. Insert the memory module vertically into the DIMM slot. Then push it in until the
golden finger on the memory module is deeply inserted in the DIMM slot. The
plastic clip at each side of the DIMM slot will automatically close.
Important
You can barely see the golden finger if the memory module is properly inserted in
the DIMM slot.
3. Manually check if the memory module has been locked in place by the DIMM slot
clips at the sides.
64x2=128 pin 56x2=112 pin
En-7