a ram question

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mooseboy8X
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a ram question

Post by mooseboy8X »

does anyone remember what happened to rdram
[pc800 i think]. a year ago it was the new thing, what ddr-sdram is now[pc 1600]. for some reason it never took off. what happened happened to it? if you look at old dell magazines from a year ago it was the "in" thing. now theyre using ddr-dram. so my question is why did rdram fall out of use? :confused:

a link http://www.crucial.com/library/ddr_vs_rdram.asp

[ 03-08-2001: Message edited by: mooseboy8X ]
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downhill
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Post by downhill »

Oh it's still around. You still need it for certian boards made for Intel processers.

It's expensive compared to DDR and even Intel is starting to gear up for DDR memory.
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Post by freckmoto »

Basically manufacturing costs are high, so the price for the consumer is high. Also, the performance advantage wasn't utilized in most cases.

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Post by Gaming-Module »

Well, you can find it for around 150 dollars, just go to anandtech and check out their latest price guides. ( 149US i think on one place )

Or you can listen to anti-intel/rdram people who spew outdated information because they are so biased that all they can do is toss propoganda at newbie after newbie in this attempt to amass as many newbies in their corner as possible. Pretty sad, it's just hardware.

But anyway, Mooseboy, RDRAM is not in fact dead. If you want the Pentium 4 processor in fact you must use RDRAM, which by the way only posts a 5-8 percent performance gain over standard PC133 SDRAM-just like DDR SDRAM does, because todays apps dont require/utilize all that extra bandwidth.

There are two speed grades of DDR 2100 and 1600 or PC266 and PC200. RDRAM comes in three flavors PC600, PC700 and PC800.

And by the way, RDRAM is far from dead. Reports from Anandtech and other sights indicate that RAMBUS will be releasing PC1066 RDRAM in 2002 on a 4i setup, rather than a 16i setup like current RDRAM uses. ( i really wont get into it, but it is just a different setup and lets leave it at that. )

I will even give the bandwidth of the memory types.

PC200 DDR = 1.6GB/sec
PC266 DDR = 2.1GB/sec
PC600 RDR = 1.2GB/sec
PC700 RDR = 1.4GB/sec
PC800 RDR = 1.6GB/sec

But the thing that takes RDRAM ahead of DDR in the bandwidth battle is a Dual RAMBUS channel that comes on the i840 P3 board and the i850 P4 board, but not on the i820 P3 board ( which are the only three RDRAM compatible boards at the moment ). The dual RAMBUS channel doubles the bandwidth of RDRAM thus giving you.

PC600 RDR = 2.4GB/sec
PC700 RDR = 2.8GB/sec
PC800 RDR = 3.2GB/sec

And when PC1066 RDRAM is out it will possess:

2.26GB/sec which will effectively be:

4.52GB/sec of bandwidth on a dual channel.

So RDRAM is alive and well, it's just their lawyers that need to die. :D
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Post by Gaming-Module »

Oh, and I read that link. Don't get your hardware learn on with a corporate or sales website!!!

Go to: www.anandtech.com www.hothardware.com www.arstechnica.com

Take it from me, don't believe every web site you come across, it's quite a process to weed out the good from the bad.

Hope all this helped you, I'm gonna go play some CS now. After all this typing I think ive earned it! :p
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Post by mooseboy8X »

But anyway, Mooseboy, RDRAM is not in fact dead. If you want the Pentium 4 processor in fact you must use RDRAM, which by the way only posts a 5-8 percent performance gain over standard PC133 SDRAM-just like DDR SDRAM does, because todays apps dont require/utilize all that extra bandwidth.
WTF, what if you dont want rdram on a p4 system. is their anyway to circumnavigate that or do you really only have to use rdram?
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Post by mooseboy8X »

maybe u r right. i just looked in my dell magazine and all the p4 systems use rdram. freaking intel must on a huge portion of rambus stock so theyll only make their p4s compatable w/ rdram. that sucks.
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Post by Gaming-Module »

Why's it suck? Didn't you read my posts fully?
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Post by el bob »

Ok...admin, I think its time to change Macho-Module's "Member" status
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freckmoto
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Post by freckmoto »

I like AMD more than Intel, however my post is right. In fact Intel is phasing out their use of RDRAM in the next generation P4 chipset. And they are switching to DDR. It isn't dead yet, it is really just too expensive. That is one reasont the P4 has been a flop so far. Consumers don't want to buy it b/c of the expensive RAM. The high price and negligable performance increase is not a good match. DDR RAM is similar, but fortunately cheaper, which is one reason it is more widely liked.

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[ 03-09-2001: Message edited by: freckmoto ]
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Post by Gaming-Module »

Well, you prefer DDR, I prefer RDRAM. Simple as that. Sure their lawyers suck, and yes, Intel is planning to use DDR, but not for the reason you think. At least not at this point in time.

( el bob rocks! :cool: )

[ 03-11-2001: Message edited by: Macho-Module ]
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Post by downhill »

No doubt that RDRAM is faster than DDR in a Duel RDRAM board.

That isn't my problem with it. Rambus was suing all memory makers of sdram for infrignment.

Not sure who has caved in and started paying royalties and -or licensing fees and who hasn't. Seems Rambus patiented some designs in RDRAM that it agreed not to and is suing over that.

Actually you can read more about it here.

RAMBUS wants to be the Microsoft of the hardware industry. Another reason to avoid it.

[ 03-10-2001: Message edited by: downhill ]
The tools of conquest do not necessarily come with bombs and explosions and fallout. There are weapons that are simply thoughts, attitudes, and prejudices to be found only in the minds of men. For the record, prejudices can kill and suspicion can destroy and a thoughtless, frightened search for a scapegoat has a fallout all of its own for the children and the children yet unborn and the pity of it is that these things cannot be confined to the Twilight Zone.
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Post by Gaming-Module »

Well trust me, I know all about the JEDEC meetings and have even seen the documents posted on various sites without looking at your link.

The fact still remains that RDRAM is a solid technology. As far as Intel abandoning RDRAM. They are only going to DDRAM for their server products, but RDRAM is still what Intel users will have to use if they want a desktop PC. Read it over at Anandtech if you dont believe me on that one.

Sure it sux that they are trying to drag people through court and such, but are you really gonna spend your money on slower technology for simply personal reasons? Thats kind of odd. I might understand if they were...sticking RIMMs up lab monkey's a$$es or something, but c'mon! They were doing what every other business on earth has been doing for years - being sneaky and underhanded ( the definition of a businessman ).

I just hope you also aren't one of those 3DFX fans that talk smack about Nvidia because they bought them out, because that's just about the same thing. Would you still go out and buy a slower Voodoo when you can get a GTS PRO that is obviously superior to it?

[ 03-11-2001: Message edited by: Macho-Module ]
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Post by Gaming-Module »

Dont know why but I thought id link this here in case anyone here doesnt check anand's weekly price guides.
http://www.anandtech.com/showdoc.html?i=1432
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Post by downhill »

By Macho-Module
I just hope you also aren't one of those 3DFX fans that talk smack about Nvidia because they bought them out, because that's just about the same thing. Would you still go out and buy a slower Voodoo when you can get a GTS PRO that is obviously superior to it?
Was that directed at me or at RDRAM non believers. ROTF

I think I was just flamed. I'm going to need a bucket for all my tears. :D :D
:rolleyes:

My post was only to make people aware of what a bunch of slimeballs put together Rambus Inc.
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Post by Gaming-Module »

At you "and" everyone who lets the technology game get so personal. ( now, I must say I break my rule when it comes to microsoft, but in no way can you compare RAMBUS and Nvidia to MS )

It's just hardware, and I say whoever has the best performance wins.

My whole point upon entering this thread though is this:

RDRAM is still around and will likely be around for quite awhile. As long as they're technology can beat the opposition in bandwidth it's only a matter of time before software becomes more and more bandwidth dependent, and then the standard with the most bandwidth will be everyones choice.

When every itty bitty kilobyte of bandwidth matters RDRAM will win, hands down. But hey, by then they will probably release QDRAM ( quadruple data rate RAM ) and have like PC2000 RDRAM so who knows right?
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Post by HongKongPolice »

DDR Ram is gonna be A LOT cheaper real soon cuz VIA is gonna bundle DDR Ram with their mobos soon to promote DDR. Will cost $50 per sick of PC2100 (WTF is up with all these weird PC ratings?!?!?) 128MB ram in a month or so.
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Post by Gaming-Module »

Good, I cant wait for DDR to do that, because either (A) I will start using the stuff or (B) RAMBUS will have to compete price wise or risk falling further behind. We all win. Sounds good to me.
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Post by el bob »

Macho-Module, I think you misunderstood me. I was just trying to compliment your knowledge.

"Member" --> "Advanced Member"

Sorry for the confusion. -el bob
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Post by Gaming-Module »

I apologize el bob. It just sounded like you wanted my member status taken away or something like that. Again, very sorry for the misunderstanding and I very much appreciate the praise.

And thanx to you too keeper, greatly appreciated.

Later guys :D
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Post by Gaming-Module »

Hey, if you guys dont already, you should visit the other board that I learned all my hardware knowledge at http://www.hothardware.com/cgi-bin/Ultimate.cgi?action=intro

We could use more people posting over there as we have been flooded with newbies lately and the five or six of us that help people are pretty swamped. Thanx again. Later.
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Post by crazyman »

Originally posted by mooseboy8X:
does anyone remember what happened to rdram
[pc800 i think]. a year ago it was the new thing, what ddr-sdram is now[pc 1600]. for some reason it never took off. what happened happened to it? if you look at old dell magazines from a year ago it was the "in" thing. now theyre using ddr-dram. so my question is why did rdram fall out of use? :confused:

a link http://www.crucial.com/library/ddr_vs_rdram.asp

[ 03-08-2001: Message edited by: mooseboy8X ]
I have a INTEL mobo with a PII600b and 192mg of samsung 700mz rdram,and this system is smokin',pc600,700,800 rdram is down in price now and available everywhere.and mobo's that take it also.
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Post by keeper »

macho-module; Good Post(s). XLNT info there.

thanks
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