ECS A780GM-M3 Manual page 19

Table A: Unbuffered DIMM Support for Socket AM2+/AM2 CPU
DRAM Speed
DDR2-400
DDR2-400
DDR2-533
DDR2-533
DDR2-533
DDR2-533
DDR2-533
DDR2-533
DDR2-667
DDR2-667
DDR2-667
DDR2-667
DDR2-667
DDR2-667
DDR2-800
DDR2-800
1. SRx16=Single Rank x16 DIMM
SRx8=Single Rank x8 DIMM
DRx16=Dual Rank x16 DIMM
DRx8=Dual Rank x8 DIMM
The default value is unganged mode when using socket AM2+ CPU.
Installing the Motherboard
1 1
DIMM1 DIMM2 Timing Mode
- Any
Any Any
- Any
SRx16 SRx16
SRx16 SRx8
SRx8 SRx16
SRx8 SRx8
DRx8 DRx8
DRx8 SRx16
SRx16 DRx8
DRx8 SRx8
SRx8 DRx8
- Any
SRx16 SRx16
SRx16 SRx8
SRx8 SRx16
SRx8 SRx8
DRx8 DRx8
DRx8 SRx16
SRx16 DRx8
DRx8 SRx8
SRx8 DRx8
- Any
Any Any
1T
2T
1T
2T
2T
2T
2T
2T
1T
2T
2T
2T
2T
2T
2T
2T
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