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To: Ali Chen who wrote (93607)12/8/1999 11:51:00 PM
From: Diamond Jim  Read Replies (1) | Respond to of 186894
 
TODAY'S TOP STORIES: Tech News First. . .every hour of the day

1. Itanium prototypes ship

Intel has begun shipping prototypes of its next-generation
Itanium chip, formerly known as Merced, to hardware
and software companies to allow testing and product
development.
2.digital.cnet.com



To: Ali Chen who wrote (93607)12/9/1999 10:02:00 AM
From: Tony Viola  Read Replies (2) | Respond to of 186894
 
Ali, Re: " Reading comprehension problem, RAS-expert?

The guy said:
"We tried two 256M Hyundai DIMMs that it didn't like
as all where as two 256 M Hitachi DIMMs worked fine."

Yes, the YUK article said that, but it also said this:

If you use two RIMMs and they are from different manufacturers,
you can expect problems, according to very reliable sources.


I was keying off the mixing vendors statement. For anything that has to run as fast as the RIMM - chipset interface, I would put the no mixing of RIMM vendors "rule" into effect. Different vendors are bound to have subtle design and process timing differences, which added on top of lot to lot differences, even if in spec., could cause failures. Again, these beasties, as YUK calls them, are very fast and undoubtedly leave little room for timing variations. maybe they are pushing the envelope too much, I don't know. So, why can't someone assembling a mobo afford to just put the same Mfr's RIMMs together...in other words, NO MIX. Are they that hard to buy in pairs?

There is also this statement from YUK:

Intel engineers vehemently claim
that there is something wrong with most manufacturers' memory --
they told me 'most of them are more interested in making a buck
than in making PC-100 memory according to specs'".


So who do we believe, the YUK, or Intel? I certainly can't tell who's right.

From an investing point of view, though, looks to me like the Rambus 400 MHz (double pumped to get 800 Mbit/sec.) might be just too much over the edge right now. Too many possibilities for problems with all the too-tight tolerances among Intel-RIMM Mfrs. -Rambus. Sounds like every system might have to be crafted/tuned with a high speed scope and a logic analyzer. I'll certainly leave Rambus investing to those with more tolerance to roller coasters than I have. (RMBS +5 1/4, INTC +5/16), RTQs.

Tony



To: Ali Chen who wrote (93607)12/9/1999 7:46:00 PM
From: Tony Viola  Read Replies (3) | Respond to of 186894
 
Ali, you said on the AMD thread:

Dell X-mas catalog does not contain 733
models either!


I had the pleasure of reading an insult from you earlier that I had a reading comprehension problem. Reading comprehension problem, RAS-expert? Well, about the Dell Dimension XPS B733r, it's on the last page of the new Dell Christmas catalog. Attention to detail, or difficulty in thumbing through a 32 page catalogue problem???