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To: Scumbria who wrote (127138)	2/11/2001 9:37:09 PM
From: THE WATSONYOUTH	Read Replies (1) \| Respond to of 186894

I remember quite clearly looking at a slide of Power4 in 1999, which showed 4 cores on a single substrate. When (month) in 99?? Do you have a link?? It's hard for me to believe. THE WATSONYOUTH

To: Scumbria who wrote (127138)	2/11/2001 9:43:01 PM
From: fyodor_	Read Replies (1) \| Respond to of 186894

Scumbria: I remember quite clearly looking at a slide of Power4 in 1999, which showed 4 cores on a single substrate. Are you sure you're not thinking of 4 dies in an MCM? I thought I remembered 4 cores as well, but am now resigned to the notion that I was mistaken :/ -fyo

To: Scumbria who wrote (127138)	2/12/2001 12:29:27 AM
From: Paul Engel	Read Replies (1) \| Respond to of 186894

VOLUME 13, NUMBER 13 OCTOBER 6,1999 REPORT Power4 Focuses on Memory Bandwidth IBM Confronts IA-64, Says ISA Not Important by Keith Diefendorff Not content to wrap sheet metal around Intel microprocessors for its future server business, IBM is developing a processor it hopes will fend off the IA-64 juggernaut. Speaking at this week’s Microprocessor Forum, chief architect Jim Kahle de-scribed IBM’s monster 170-million-transistor Power4 chip, which boasts two 64-bit 1-GHz five-issue superscalar cores, a triple-level cache hierarchy, a 10-GByte/s main-memory interface, and a 45-GByte/s multiprocessor interface, as Figure 1 shows. Kahle said that IBM will see first silicon on Power4 in 1Q00, and systems will begin shipping in 2H01. company has decided to make a last-gasp effort to retain control of its high-end server silicon by throwing its consid-erable financial and technical weight behind Power4. After investing this much effort in Power4, if IBM fails to deliver a server processor with compelling advantages over the best IA-64 processors, it will be left with little alter-native but to capitulate. If Power4 fails, it will also be a clear indication to Sun, Compaq, and others that are bucking IA-64, that the days of proprietary CPUs are numbered. But IBM intends to resist mightily, and, based on what the com-pany has disclosed about Power4 so far, it may just succeed.