Gigabyte GA-7A8DRL User Manual page 17

Table 1. Vaild DIMM Configuration for 64 bit Mode
DIMM 0 (MB) DIMM 2 (MB)
X 256
256 256
X 512
512 512
X 1024
1024 1024
X 2048
2048 2048
X 4096
4096 4096
Note: X = Do not populate
Table 2. Vaild DIMM Configuration for 128 bit Mode
Logical DIMM 0
DIMM 0 (MB)
X
256
X
512
X
1024
X
2048
X
4096
Note: X = Do Not populate
Ligical DIMM1
DIMM 1 (MB) DIMM 2 (MB)
X 256
256 256
X 512
512 512
X 1024
1024 1024
X 2048
2048 2048
X 4096
4096 4096
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Hardware Installation Process
DIMM 3 (MB)
256
256
512
512
1024
1024
2048
2048
4096
4096