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On 7/29/2010 1:01 PM, Orchid XP v8 wrote:
>
http://reviews.ebay.com/Myth-Low-Density-vs-High-Density-memory-modules_W0QQugidZ10000000001236178
>
>
> Can anyone confirm or refute this information?
>
It does indeed look to be the case. I actually ran into this once. I was
using an IBM desktop PC that had only 1 GB of RAM, we had on order
memory from IBM for it, but the IT guy had another pair of 512MB ram
that was originally destined for a CAD workstation, but for whatever
reason remained unused. I asked him about it, he shrugged and said I
could try it, but he didn't think it would work, since the memory was
designed for the workstation. I tried it, and the PC refused to boot.
I'm pretty sure after what I read about high density ram (I looked at
some other info on the subject besides the eBay page, also strange, our
firewall doesn't block eBay...) that the ram for the CAD station was
indeed high density. I suppose the other alternative is that it was
registered memory.
> I just tried to replace the faulty RAM in my PC, but every single time I
> insert the new module I just bought, the PC refuses to do anything. (It
> starts up just fine with the faulty RAM - albeigh it with a crapload of
> memory errors...)
>
Yep. do the numbers on the chips indicate a 128x4 configuration (hint,
you could probably Google the number on the chip and get a datasheet...)
According to the Wikipedia article on DDR Samsung K4H510438D-UCCC would
be high density.
--
~Mike
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