[SunRescue] Free 64mb RAM for U5/10
n2vip at impop.bellatlantic.net
Tue May 9 06:55:23 CDT 2000
Thanks - that helps me understand the issues involved. I assume that
by having one-way interleaving my (anticipated) U5 would perform
better than a simialry equipped system with, say, two-way interleaving
(two dis-similar banks of RAM, say 2x64 Meg and 2x32 Meg), right?
The system I will be getting will have 2x64 Meg RAM, and while more
RAM would be nice (like the RAM Bill is making available), I suspect
that I would soon want 256 Meg RAM, then I would find myself in the
same position Bill is is, 2x32 Meg sitting on the shelf idle.
That is not to say I wouldn't be interested in Bill's 2x32 Meg RAM for
U5/10s if he were to offer them (I'd pay shipping + a couple DVDs from
your wishlist), of course... But if I am going to pay retail for my own
RAM, I'd prefer to go for optimal speed w 4x64 Meg RAM.
Bill - is the RAM still available?
n2vip at bellatlantic.net
(aka khansen at njcc.com)
Jonathan Katz wrote:
> On Tue, 9 May 2000, Ken Hansen wrote:
> :I have a question about U5/10 RAM - I thought I saw somewhere that it was
> :"optimal" to have 4 of the same size SDIMMs installed, i.e. 4x32 Meg, 4x64 Meg,
> :because that allows the hardware to map the RAM in a particularly speedy way.
> :Is this true? COuld anyone provide a better explaination than that?
> The term is called 'interleaving' and the more consistant you have the RAM
> the better.
> I don't know about the desktops, but that 4 sounds right. That would allow
> for 'one-way' interleaving-- interleaving on a single bank. On servers (e3k
> and up) you do 8 or 16 chips on a processor/IO board at the same time
> and make sure you have the same amount (of the same type) of RAM on the
> other IO/processor boards. That allows for interleaving between the boards
> which can make things speedy.
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