Installing A Dimm - ASROCK P43TWINS Installation Manual

2. If only one memory module or three memory modules are in-
stalled in the DDR2 DIMM slots on this motherboard, it is unable to
activate the Dual Channel Memory Technology. If only one memory
module is installed in the DDR3 DIMM slots on this motherboard,
it is unable to activate the Dual Channel Memory Technology.
3. If a pair of memory modules is NOT installed in the same Dual
Channel, for example, installing a pair of memory modules in
DDRII_A1 and DDRII_B2, it is unable to activate the Dual Channel
Memory Technology .
4. It is not allowed to install a DDR3 memory module into DDR2 slot
or install a DDR2 memory module into DDR3 slot; otherwise, this
motherboard and DIMM may be damaged.
5. DDR2 and DDR3 memory modules cannot be installed on this
motherboard at the same time.

Installing a DIMM

Installing a DIMM
Installing a DIMM Installing a DIMM 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.
ASRock Motherboard
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