<< Again refer to the article... the Intel execs didn't listen to their engineers and pushed for the RDRAM implementation despite warnings that there would be problems. >>
Ok, but what does this mean? it means that Intel has people deciding about things they really have NO clue about. It doesn't matter how many ways you try to put it, you are just saying the same thing. Intel made a bad implementation, in a system that was in no way ready for it. I don't know wich is worst, EE's that don't know their job, or EE's that are not allowed to do their job.
<< Since the CPU can't take advantage of the high bandwidth there is NO advantage to RDRAM at all >>
Two questions:
1. Why can't the CPU take advantage of the high bandwidth, could it be because the FSB is to slow for the CPU you are thinking about?
2. Wich CPU are you talking about?? The CPU that i already stated was no good with the RB?
You keep saying that the way that RB was used by Intel is no good, and i keep agreeing.
<< While you keep maintaining that RDRAM is good for server configurations I have to disagree. Rambus technology is nothing more than complex tweaks to the DDR SDRAM concept, and the company also holds the patents to keep manufacturers from producing lower latency DDR SDRAM which has equivalent bandwidth to RDRAM *on paper*. Why do you think Rambus is so scared of DDR SDRAM? >>
"complex tweaks to the DDR SDRAM concept", oh christ, i was going to give a long answer to that one, but as you obviously do not know anything about these techs so i'll save my breath.
"keep manufacturers from producing lower latency DDR SDRAM", no, no, no. how does the patents Rambus have prevent Manufacturers from producing DDR SDRAM with lower latency than 2*CAS2?
And even if they could make the DDR SDRAM a lot faster, i doubt they could reach 12.6 - 16GB transfer rates, wich RB does in Alphas configuration.
<< Don't tell me RDRAM memory is worth salvaging, because it's cleverly disguised and crippled DDR SDRAM. >>
Ok, so you do not know the difference between RBDRAM and DDR SDRAM? well, that does it for me.
Just stop your bashing for a while and think about this: I will build a server based on the A21364 with RBDRAM, it will use 8 channels and it will have an on-chip memory controller.
The on-chip memory controller helps keep the latency to a minimum, and the 8 channels would give me 12.6-16GB transfer rates (depending on wether i use 800Mhz or 1Ghz memory).
Now i really need that extra memory speed, because the system used today is way to slow, all because of the memory performance, i upgraded the cpu from 500-1Ghz and noticed a 2% difference, so i checked it out, and it clearly shows that the memory usage is high, and that the CPU has to wait for the memory to deliver all the time.
The RB solution will solve my problems, and for server that need high memory bandwidth it will be a great solution. No matter how much you dislike it, that is the way it is.
Patrick Palm
Am speaking for PC Resources