OVER JUICING THE RAM OF MY LAPTOP - is it the right thing to do?

Started Jan 17, 2013 | Questions thread
Tom_N Forum Pro • Posts: 13,593
Re: OVER JUICING THE RAM OF MY LAPTOP - is it the right thing to do?

Sean Nelson wrote:

Manufacturers do this because they come under fire if they list a maximum capacity that isn't actually possible with existing parts at the time the system is sold

In the scenario you describe ("higher-density parts are not available period, at design time"), there is another consideration.

It's pretty easy to hook up another address line (within the limits of the CPU / memory controller).  But without higher-density parts, how would a vendor test this before touting it as a supported feature?

Once it's advertised as a supported feature, and 100,000 customers have bought the laptop, and THEN someone discovers that the "higher memory capacity" feature that the designers thought SHOULD work, but that they couldn't test, is broken, you're talking $$$$$$ and lots of recalls to fix it.  Not exactly the sort of thing that product managers or engineers like to risk.

Whereas if a vendor just puts it in, makes sure it doesn't break operation with low-density parts, and doesn't advertise it as a supported feature, there's a lot less risk.  If customers put high-density parts into the machine and they don't work, the vendor can say "that's not supported" and that will be the end of that.  But if they do work (which seems likely), the customers can install more RAM, the vendor avoids a support risk, and everybody is (mostly) happy.

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