Alan Dayley wrote:
> Craig White wrote:
>>> On Wed, 2007-02-14 at 17:28 -0700, Alan Dayley wrote:
>>>> What I hear you say is that if the two memory modules are of the same
>>>> size and speed but are from two different manufacturers they will not
>>>> support dual-channel. Is that what you are saying?
>>>>
>>> ----
>>> can be problematic - might work, might not
>>>
>>> Craig
>
> I assume the second module will still double the space even if the
> dual-channel does not work. And the dual-channel failing to work will
> not "break" the memory operation.
>
> So I may have to purchase from Toshiba to be sure that something will
> work right if I really want dual-channel support.
>
> Alan
>
>
Unpaired DIMM's will still work, the dual-channel interleave just won't.
You may have to set your BIOS to not use dual-channel to make it work properly.
The bigger issue is that, even from the same manufacturer, if the specs on 2 banks
are slightly off (this often shows up in the non-speced timings), the MB may run
fine in dual-channel mode, except for occasional errors that won't be noticed
without ECC enabled, and may lead to random system instability. That's why
it's generally best to buy paired DIMM's if you want to run dual-channel RAM.
If you aren't doing that, then just make sure dual-channel is turned off, run
DIMM's with the same specs for flexibility, and don't worry about manufacturer
so much.
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