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3GB Dual Channel ??????

post #1 of 6
Thread Starter 
I recently bought a new laptop, and this is the memory specs of it.

Memory-3072 MB Dual-Channel DDR3 1066MHz Memory

It only has 2 slots in it, one has a 2gb stick the other a 1gb stick. How does this memory run in dual channel with 2 different sticks in it
The processor is a AMD Phenom II X2 Dual-Core Processor N660 (3.0GHz, 2MB L2 Cache) if it matters!
Thanks for any and all help.
Here's a link to the laptop.
http://www.gateway.com/systems/product/529668815.php
 
Blue Ice
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Blue Ice
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post #2 of 6
Go to crucial.com and download their program to see if it's in dual-channel.

Pretty sure the specs should just say that the memory modules are dual-channel capable.
    
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post #3 of 6
Yup, it has dual channel RAM, but it is not running in Dual channel.
'Pooter
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'Pooter
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post #4 of 6
Probably 3 sticks of RAM.

I'm not sure if a 1x2GB and 1x1GB will cause it to not work in dual channel.
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post #5 of 6
Thread Starter 
Thanks! Maybe this applies in this situation.
"You may install varying memory sizes in Channel A and Channel B. The system maps the total size of the lower-sized channel for the dual-channel configuration. Any excess memory from the higher-sized channel is then mapped for single-channel operation."
 
Blue Ice
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Blue Ice
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post #6 of 6
Quote:
Thanks! Maybe this applies in this situation.
"You may install varying memory sizes in Channel A and Channel B. The system maps the total size of the lower-sized channel for the dual-channel configuration. Any excess memory from the higher-sized channel is then mapped for single-channel operation."
That sounds about right, when using odd sticks of RAM they will also both run at the rated speeds of the slower module. If both slots are filled though then it's definately running in dual channel.
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XaphanII
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Intel 530 series 120GB SSD. WD Black 1Tb x 2 Seagate barracuda 2Tb Swiftech H220 
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CPUMotherboardGraphicsRAM
Phenom II x 4 965 BE @ 3.8 1.42v Crosshair III Formula NB @ 2700 mhz HD 5770 Vapor-x Corsair XMS 3 4GB 1600 MHZ 
Hard DriveOptical DriveCoolingOS
Intel X-25 40 Gig SSD(OS) 2x1TB WD Black in Raid-0 LG Multi Dvd-R Cooler Master V8 Windows 7 Ultimate 
MonitorKeyboardPowerCase
21.5" Samsung 2243SWX + 19" sony CRT dualview Razer Lycosa Corsair TX 750W Cooler Master CM 690 II Advance 
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