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UMMR
Joined: 23 Aug 2007
Posts: 381
Location: Udine, ITALY
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 Posted: Wed Oct 08, 2008 6:22 pm Post subject: IBM POWER CPU card |
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Hello,
here is a picture taken by me of a POWER-1 CPU card, used in IBM RS/6000 servers (1990). This is the RIOS-1 version of the POWER-1 CPU. I've added superimposed remarks with 1) IBM part numbers/FRUs and the corresponding chip purpose and 2) transistor count for each chip. I hope You will find it useful...
Paolo |
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UMMR
Joined: 23 Aug 2007
Posts: 381
Location: Udine, ITALY
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| Posted: Wed Oct 08, 2008 6:27 pm Post subject: Re: IBM POWER CPU card |
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| UMMR wrote: | Hello,
here is a picture taken by me...
Paolo |
Hi,
transistor counts are in thousands (by example 500 = 500K).
Paolo |
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el_gecko
Joined: 25 May 2005
Posts: 1553
Location: Nice, France
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| Posted: Wed Oct 08, 2008 6:55 pm Post subject: |
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Interesting. So the big chip(s) is not the IU but the I/O unit.
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My microprocessor collection: The Gecko's CPU Library |
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doccybrown
Joined: 03 Oct 2005
Posts: 1736
Location: Germany
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| Posted: Thu Oct 09, 2008 1:06 pm Post subject: |
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WOW! Very nice and uncommon board! 
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