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HP pavilion G6 amd e2-3000m - problem with dual channel

Last response: in Laptops & Notebooks
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January 11, 2013 12:34:58 PM

Hi,
I've bought two corsair 4gb ddr3 1333Mhz sticks but they don't work in dual channel although this laptop should have dual channel support up to 1333 MHz. And in BIOS there are no options. Does anyone have the same problem?
January 11, 2013 12:50:58 PM

Memtest shows 64bit, as far as I know that means single channel. Weird thing is, that my graphic card bus bandwidth changed after upgrade from 64bit to 128bit (Radeon HD 6380G).
a b D Laptop
January 11, 2013 1:14:58 PM

Run CPUZ and GPUZ to make sure you are reading right.
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January 11, 2013 2:32:26 PM

4 GB (1x4 GB):






8 GB (2x4 GB):



January 11, 2013 3:10:19 PM

I tried also 6 GB ram (4 + 2) and it's the same as 2x4 GB: graphic bandwidth 128 bit but no dual channel obviously.
a b D Laptop
January 11, 2013 3:39:48 PM

That double bandwidth in graphics sure looks like dual channel to me cause it's using shared memory.....
!