[Chester LUG] Loosing my memory

Ben Arnold iamseawolf at gmail.com
Mon Mar 9 10:17:15 UTC 2009

2009/3/8 Michael Crilly <movedx at googlemail.com>:
> 24 isn't a multiple of three? 24 can't be divided by 3 without a
> remainder? Unless I'm getting my maths wrong, which is likely.

Yeah... 8?

> On Sun, Mar 8, 2009 at 10:48 PM, Stuart Burns
> <stuart.james.burns at gmail.com> wrote:
>> Hi Everyone,
>> Just wondering if anyone can help me. I am building a new machine using a
>> Intel quad core i7 920 @ 2.66 on a Gigabyte EX58-UD4P motherboard. However
>> the memory is a bit of an issue.
>> I want to add 16GB RAM. However, it seems you have to install memory modules
>> in triples. For example, I cant put 16 in, but I can put 12 in. The next
>> step is 24 GB. Am I right in my assumption ? 24 GB would cost a fortune.

>From http://www.kingston.com/europe/triplechannel/ :
"If I have a triple channel platform, do I have to install memory in
sets of three?

Yes, if you want the system to run in triple channel mode. However,
many of the new triple channel based motherboards allow the user to
run their system in single, dual or triple channel mode. Please check
this feature with your chosen motherboard manufacturer."

"How should triple channel DDR3 based memory be installed?

In order to take full advantage of a system running in triple channel
mode, the memory modules should be installed or upgraded in sets of
three identical modules (same speed and capacity).

The modules in bank 1 do not need to be of the same capacity as the
modules installed in bank 2. However, if identical speeds or
capacities are not installed within a single bank, the system will
automatically revert to single channel or dual channel operation,
regardless of module configuration.

Finally, each motherboard manufacturer has its own rules that apply to
memory module configuration. We strongly recommend that you follow any
instructions provided by individual motherboard or platform

So it seems that you can't get away with it.


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