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Msi 870-G45 in dual channel question

post #1 of 9
Thread Starter 
Just a simple question because im slightly unclear about this motherboard, Looking at the picture below would 1+2 be dual channel or 1+3?

post #2 of 9
The Manual says 1+2 if only using 2 sticks.
    
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CPUMotherboardGraphicsRAM
FX-8350 @ 4.6GHz 1.48v 990FXA-UD3 Pegatron HD6450 1GB 2x4GB G.Skill Sniper 1866 
Hard DriveOptical DriveCoolingOS
WD Blue 500GB Samsung DVD-RW Corsair H100i Win 7 x64 
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post #3 of 9
1-2, 3-4, or all 4. You cannot mix and match banks.
post #4 of 9
Quote:
Originally Posted by alwaysAMD View Post
1-2, 3-4, or all 4. You cannot mix and match banks.
Sure you can, and it would run just fine, but it will be in ganged mode (single channel). If the OP is out for benchmarks, this might even be useful. Not likely though.
    
CPUMotherboardGraphicsRAM
FX-8350 @ 4.6GHz 1.48v 990FXA-UD3 Pegatron HD6450 1GB 2x4GB G.Skill Sniper 1866 
Hard DriveOptical DriveCoolingOS
WD Blue 500GB Samsung DVD-RW Corsair H100i Win 7 x64 
MonitorPowerCase
LG 32" 720p HDTV SeaSonic M12II 620 Bronze CM 690 II Advanced 
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CPUMotherboardGraphicsRAM
FX-8350 @ 4.6GHz 1.48v 990FXA-UD3 Pegatron HD6450 1GB 2x4GB G.Skill Sniper 1866 
Hard DriveOptical DriveCoolingOS
WD Blue 500GB Samsung DVD-RW Corsair H100i Win 7 x64 
MonitorPowerCase
LG 32" 720p HDTV SeaSonic M12II 620 Bronze CM 690 II Advanced 
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post #5 of 9
Quote:
Originally Posted by Baskt_Case View Post
Sure you can, and it would run just fine, but it will be in ganged mode (single channel). If the OP is out for benchmarks, this might even be useful. Not likely though.
He's asking about dual channel.
post #6 of 9
Quote:
Originally Posted by alwaysAMD View Post
He's asking about dual channel.
Please see post #2.

I swear.
    
CPUMotherboardGraphicsRAM
FX-8350 @ 4.6GHz 1.48v 990FXA-UD3 Pegatron HD6450 1GB 2x4GB G.Skill Sniper 1866 
Hard DriveOptical DriveCoolingOS
WD Blue 500GB Samsung DVD-RW Corsair H100i Win 7 x64 
MonitorPowerCase
LG 32" 720p HDTV SeaSonic M12II 620 Bronze CM 690 II Advanced 
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CPUMotherboardGraphicsRAM
FX-8350 @ 4.6GHz 1.48v 990FXA-UD3 Pegatron HD6450 1GB 2x4GB G.Skill Sniper 1866 
Hard DriveOptical DriveCoolingOS
WD Blue 500GB Samsung DVD-RW Corsair H100i Win 7 x64 
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post #7 of 9
I was just stating that running 3-4 would also work in dual channel, as opposed to 1-3.
post #8 of 9
Likely 1+2 considering the colours. It's like that on my board and most AM3 boards anyway.
post #9 of 9
Sorry, Late to the game.
The MSI 870-G45 the sockets are numbered TO the processor ( so 1-2-3-4 becomes 4-3-2-1 ),
and the primary Memory slots are on the _outside_, only verified on the board and the manual, no processor yet...)
With this chip set its pairs, and they are adjacent...
so its 1-2, and perhaps 3-4, and 1-2-3-4.
Same SPDs, so if you have good ram, from different manufacturers,
you can flash the SPDs and *make* them match, but your mileage may vary.

If you do 1-2-3 and no 4, then the memory controller will NOT dual channel the 1-2.
I will post as soon as I get a processor and give the exact information.
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