Asrock B75M-GL R2.0 90-MXGN10-A0UAYZ 用户手册

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2.5  Installation of Memory Modules (DIMM)

This motherboard provides two 240-pin DDR3 (Double Data Rate 3) DIMM slots, 
and supports Dual Channel Memory Technology. For dual channel configuration, 
you always need to install two identical (the same brand, speed, size and chip-
type) memory modules in the DDR3 DIMM slots to activate Dual Channel Memory 
Technology. Otherwise, it will operate at single channel mode.

1. 

It is not allowed to install a DDR or DDR2 memory module into a 

 

DDR3 slot; otherwise, this motherboard and DIMM may be 

 

damaged.

2. 

If you install only one memory module or two non-identical 

 

memory modules, it is unable to activate Dual Channel 

 

Memory Technology.

3. 

Some DDR3 1GB double-sided DIMMs with 16 chips may not 

 

work on this motherboard. It is not recommended to install them 

 

on this motherboard.

Installing a DIMM

Please make sure to disconnect power supply before adding or 
removing DIMMs or the system components.

Step 1.  Unlock a DIMM slot by pressing the retaining clips outward.
Step 2.  Align a DIMM on the slot such that the notch on the DIMM matches the 
 

break on the slot.

The DIMM only fits in one correct orientation. It will cause permanent 
damage to the motherboard and the DIMM if you force the DIMM into 
the slot at incorrect orientation.

Step 3.  Firmly insert the DIMM into the slot until the retaining clips at both ends 
 

fully snap back in place and the DIMM is properly seated.