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Ram not running in dual channel?

Last response: in Memory
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September 27, 2008 2:13:04 PM

I recently bought a new computer and built it myself.

Motherboard: GIGABYTE GA-EP45-DS3R LGA 775 Intel P45 ATX Intel Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
RAM: OCZ Reaper HPC 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

It won't run dual channel. I flashed to the most recent BIOS and a few other things but it keeps saying single channel. The RAM is in slot 3 and 4 (since 1 and 2 wasnt running dual). The slot colors are different. Computer is showing ram using 33% just for runnning Vista =/

Here's some screenshots of CPU-Z

September 27, 2008 2:17:32 PM

You need to install the ram in 'same color' slots for Dual Channel capabilities.
September 27, 2008 2:20:31 PM

hm okay, i'll try that
Related resources
a b } Memory
September 27, 2008 2:45:22 PM

^Yes, like slots 1 and 3, or slots 2 and 4.....
September 27, 2008 2:48:55 PM

Okay, done. But Vista is still running at 1.2 gigs of ram. Is that normal? And if you look at my CPU-Z is there room to improve the performance of my ram?
September 27, 2008 2:49:19 PM

^+1. Most test show dual channel doesnt really make a lot of difference
September 27, 2008 2:54:58 PM

^^ I have 750 watts btw
a b } Memory
September 27, 2008 3:07:54 PM

McMllnT92 said:
Okay, done. But Vista is still running at 1.2 gigs of ram. Is that normal? And if you look at my CPU-Z is there room to improve the performance of my ram?


Yes. Depending on what programs you have running in the background.
Vista will use around 700 meg to well over 1 gig by itself, depending also on what it is doing in the background.
!