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XFX nForce 750a Motherboard User's Guide
2.3.2 Installation of the CPU Cooler
For proper installation, please kindly refer to the instruction manuals of your CPU Cooler.
2.4 Installation of Memory Modules
This motherboard provides four 240-pin DDRII (Double Data Rate) DIMM slots, and supports
Dual Channel Memory Technology. For dual channel conguration, you always need to install
two identical (the same brand, speed, size and chip-type) memory modules in the DDRII
DIMM slots to activate Dual Channel Memory Technology. Otherwise, it will operate at single
channel mode.
To install system memory:
1. Power off the computer and unplug the
AC power cord before installing or
removing memory modules.
2. Locate the DIMM slot on the board.
3. Hold two edges of the DIMM module
carefully, keep away from touching its
connectors.
4. Align the notch key on the module with
the rib on the slot.
5. Firmly press the module into the slots until the ejector tabs at both sides of the slot
automatically snap into the mounting notch. Do not force the DIMM module in with extra
force as the DIMM module only ts in one direction.
6. To remove the DIMM modules, push the two ejector tabs on the slot outward
simultaneously, and then pull out the DIMM module.
Under POWER ON:
• The LED of PWR_LED will light.
• The LED of LED_DIMM1 will light while DIMM1 slocket be installed Memory.
• The LED of LED_DIMM2 will light while DIMM2 slocket be installed Memory.
• The LED of LED_DIMM3 will light while DIMM3 slocket be installed Memory.
• The LED of LED_DIMM4 will light while DIMM4 slocket be installed Memory.
Static electricity can damage the electronic components of the computer or optional
boards. Before starting these procedures, ensure that you are discharged of static
electricity by touching a grounded metal object briey.
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