Biostar A690G-M2 Setup Manual page 12

Motherboard Manual
B. Memory Capacity
DIMM Socket
Location
DIMMA1
DIMMB1
DIMMA2
DIMMB2
C. Dual Channel Memory installation
To trigger the Dual Channel function of the motherboard, the memory module
must meet the following requirements:
Install memory module of the same density in pairs, shown in the following
table.
Dual Channel Status DIMMA1
Enabled
Enabled
Enabled
(O means memory installed, X means memory not installed.)
The DRAM bus width of the memory module must be the same (x8 or
x16)
12
DDR2 Module
256MB/512MB/1024MB
256MB/512MB/1024MB
256MB/512MB/1024MB
256MB/512MB/1024MB
DIMMB1
O O
X X
O O
Total Memory
Size
Max is 4GB.
DIMMA2 DIMMB2
X X
O O
O O