Biostar H55A Setup Manual page 11

B. Memory Capacity
DIMM Socket
Location
DDR3_A2
DDR3_A1
DDR3_B2
DDR3_B1
C. Dual Channel Memory Installation
Please refer to the following requirements to activate Dual Channel function:
Install memory module of the same density in pairs, shown in the table.
Dual Channel Status DDR3_A2 DDR3_A1 DDR3_B2 DDR3_B1
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)
Note:
Memory module must be installed in DDR3-A1 or DDR3-B1 to boot the
system.
DDR3 Module
512MB/1GB/2GB/4GB
512MB/1GB/2GB/4GB
512MB/1GB/2GB/4GB
512MB/1GB/2GB/4GB
X O
O O
H55A+
Total Memory
Size
Max is 16GB.
X O
O O
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