Biostar H61MGC - Installing System Memory; Memory Modules Installation

Motherboard Manual
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2.3 INSTALLING SYSTEM MEMORY
A. Memory Modules
DDR3_A1 DDR3_B1
1. Unlock a DIMM slot by pressing the retaining clips outward. Align a
DIMM on the slot such that the notch on the DIMM matches the
break on the Slot.