Frequent ubuntu "freezes" after RAM upgrade

[Steve]

On Sat, 26 Dec 2009 19:53:03 -0000, Odd <iodine at runbox.no> wrote:

> Steve wrote:
>> As for your problem, it is to do with memory speed, believe it or
>> not. The faster the memory the less it can address, for some reason.
>> From the manual of a MOBO of similar vintage:-
>>
>> PC1600/PC2100 for 3 DDR DIMM slots, Max 3GB. PC2700 for 2 DDR DIMM
>> slots, Max 2GB. PC3200 for 1 DDR DIMM slots, Max 1GB.
>
> It doesn't have anything to do with how much it can address. The faster
> memory modules simply need more power, and that is why they cut
> down the number of DIMMs; to assure that they get fed enough power.
>
> Motherboard manufacturers are conservative when it comes to this, and
> they'd rather do this than risk a potentially unstable machine. That
> being said, it's mostly an issue for old motherboards like the one
> described in this thread.
>
Thanks for that, it makes more sense.

-- 
Steve