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Installed New Ram

post #1 of 5
Thread Starter 
Hey I just installed another GB of the same RAM I had before (just has a different heat spreader on it as OCz has changed their design since I bought my RAM a long while ago).

Once I installed the 2nd GB of RAM its no longer in dual channel.

In my manual it says that a1 + a2 = b1 + b2. So before when I had 1 GB (2x 512MB) it was slot a1 with one stick and slot b1 with other stick and it ran in dual channel.

Now I have One of the new and one of the old sticks on each side. So...

A1 = New Stick
A2 = Original Stick
B1 = Original Stick
B2 = New Stick

Why isn't it running it dual channel. I already bumped my frequency back to 200MHz because of AMD's memeory controller or what ever because I have 4sticks

Thanks guys
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Title System
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CPUMotherboardGraphicsRAM
Phenom II X4 965 Gigabyte GA-MA785GMT-UD2H Sapphire HD 6850 1GB DDR3 Crucial Ballistix Tracers 4GB 
Hard DriveOptical DriveCoolingOS
Kingston SSD 64GB BENQ DVD-RW Custom W/C Kit Windows 7 Professional x64 
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24" LG LED Logitech Wave Corsair 700W Modular Coolmaster Half-X 
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post #2 of 5
Oh, you need your sticks to match. Put it like this

A1 = New Stick
B1 = Old Stick
A2 = New Stick
B2 = Old Stick

That should work. If not, I think you have to match the same exact sticks as your current sticks (same chips, speed, ect), and you didn't. The manual is wierd if it was in the 2 and 3rd slots running dual channel
    
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T2500 Core Duo Dell Laptop Quadro 1500m flashed--> 7900GTX 2x1GB G.Skill DDR2-800 
Hard DriveOptical DriveOSMonitor
200GB SATA 5400RPM 8x DVD±RW Burner XP Home SP2 17" LCD (1920x1200) + 20.1" Samsung Widescreen 
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GE Keyboard 9 Cell Battery E1705 Frame Razer Diamondback 
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post #3 of 5
Thread Starter 
these are the same sticks. checked the serial number for it.
Title System
(14 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X4 965 Gigabyte GA-MA785GMT-UD2H Sapphire HD 6850 1GB DDR3 Crucial Ballistix Tracers 4GB 
Hard DriveOptical DriveCoolingOS
Kingston SSD 64GB BENQ DVD-RW Custom W/C Kit Windows 7 Professional x64 
MonitorKeyboardPowerCase
24" LG LED Logitech Wave Corsair 700W Modular Coolmaster Half-X 
MouseAudio
Logitech MX Revolution 5.1 Surround / Studio Recording Headphones 
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Reply
Title System
(14 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X4 965 Gigabyte GA-MA785GMT-UD2H Sapphire HD 6850 1GB DDR3 Crucial Ballistix Tracers 4GB 
Hard DriveOptical DriveCoolingOS
Kingston SSD 64GB BENQ DVD-RW Custom W/C Kit Windows 7 Professional x64 
MonitorKeyboardPowerCase
24" LG LED Logitech Wave Corsair 700W Modular Coolmaster Half-X 
MouseAudio
Logitech MX Revolution 5.1 Surround / Studio Recording Headphones 
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Reply
post #4 of 5
Thread Starter 
Your assumption is correct problem fixed.

+rep
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Phenom II X4 965 Gigabyte GA-MA785GMT-UD2H Sapphire HD 6850 1GB DDR3 Crucial Ballistix Tracers 4GB 
Hard DriveOptical DriveCoolingOS
Kingston SSD 64GB BENQ DVD-RW Custom W/C Kit Windows 7 Professional x64 
MonitorKeyboardPowerCase
24" LG LED Logitech Wave Corsair 700W Modular Coolmaster Half-X 
MouseAudio
Logitech MX Revolution 5.1 Surround / Studio Recording Headphones 
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Reply
Title System
(14 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X4 965 Gigabyte GA-MA785GMT-UD2H Sapphire HD 6850 1GB DDR3 Crucial Ballistix Tracers 4GB 
Hard DriveOptical DriveCoolingOS
Kingston SSD 64GB BENQ DVD-RW Custom W/C Kit Windows 7 Professional x64 
MonitorKeyboardPowerCase
24" LG LED Logitech Wave Corsair 700W Modular Coolmaster Half-X 
MouseAudio
Logitech MX Revolution 5.1 Surround / Studio Recording Headphones 
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post #5 of 5
that was easy
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