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To: Fabeyes who wrote (44512)	3/28/1999 4:39:00 PM
From: wily	Read Replies (1) \| Respond to of 53903

I saw an article a while back about them working on some new kind of cache memory -- article said this project was a big deal -- IBM is betting the house on it the way they did on the 390. My guess is that it would not be a direct challenge to a prevailing DRAM technology -- too much infrastructure to displace... (?) Here's a link to that IBM story: siliconinvestor.com

To: Fabeyes who wrote (44512)	3/28/1999 9:51:00 PM
From: phbolton	Read Replies (1) \| Respond to of 53903

Fabeyes & wily: IBM microelectronics has been showing 0.15 micron on copper DRAM for awhile now, speeds of 800+MHz are allegedly claimed, some of the info is public as I've posted earlier: (note: a powerpc G4 system on a chip based iMac for late 99/early 00 is quite possible) IBM on 0.15 micron embedded memory using copper: ibm.com a couple of excerpts "This forces you to keep going next door to get what you need. By placing logic and DRAM together on a single chip, we're making sure that the processor has what it needs close at hand, allowing it to operate more efficiently." IBM's thinner copper wiring is used in combination with circuitry as small as 0.15 micron (less than 1/600th the width of a human hair), placing those circuits closer together and squeezing in more logic. The small size of IBM's memory cells allows them to be added to the chip as well without interfering with the maze of copper wiring or logic transistors.