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Subject: Re: registered ddr ram

Author: Robert Hyatt

Date: 07:24:40 09/14/01

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On September 13, 2001 at 20:57:45, Vincent Diepeveen wrote:

>On September 13, 2001 at 13:04:38, Jonas Cohonas wrote:
>
>>On September 13, 2001 at 12:39:15, Vincent Diepeveen wrote:
>>
>>>On September 13, 2001 at 10:46:18, Jeremiah Penery wrote:
>>>
>>>>On September 13, 2001 at 10:12:22, Vincent Diepeveen wrote:
>>>>
>>>>>registered DDR ram is more than double the price you mentionned here.
>>>>>and needs very long to get delivered.
>>>>
>>>>Before posting this crap, check your prices.  It's hardly more expensive for the
>>>>Registered DDR memory than the normal memory, as others have already mentioned.
>>>
>>>
>>>http://www.alternate.nl/cgi-bin/frameset.pm?js=1
>>>
>>>DDR ram, registered  1 gigabyte: 702 euro, euro is not far away from dollar
>>>right now. 92 dollar cents or similar.
>>>
>>>How to get that for $200 ?
>>>
>>>Oh perhaps you think alternate is the most expensive shop in netherlands
>>>(not exactly true it's one of the cheapest).
>>>
>>>Let's try another real cheap store in netherlands, who are even slower
>>>delivering registered DDR ram actually as they initially promised:
>>>
>>>Let's also try smaller DIMMS as that's cheaper:
>>>
>>>Corsair DDR 256MB PC 2100 Cas 2,5 Reg dutch guilder 359 euro 163
>>>
>>>you need 4 of them. 4x163 =  652 euro.
>>>
>>>Who needs to shut up here?
>>
>>PQI DDR 256MB PC 2100 costs 429kr which is equvalent to 50$, i don't think that
>>anyone is questioning the prices you post that is current in the netherlands,
>>but that does not mean that it is not cheaper elsewhere.
>
>Wait a minute. i bet you're not talking about REGISTERED memory but
>talking about normal DDR ram.
>
>That doesn't boot in a tyan motherboard!
>
>You need REGISTERED memory!
>
>normal DDR ram is NOT registered.
>


Registered simply means certified.  Most commonly this has to do with two
things:  speed and contact material.  IE if your MB has gold contacts in the
memory sockets, you need gold contacts on the memory modules.  Mixing gold and
tin/whatever won't work very long.  Speed is the other issue.  I have seen
lots of 60ns SDRAM that won't work at speeds faster than 75ns, for example.
As verified on a memory tester.  "registered DDR ram" simply means it has been
confirmed to work in a particular MB.  The inverse is _not_ true.  IE that
non-registered DDR ram will _not_ work in that MB.  It might or might not work.



>>Regards
>>Jonas



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