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silice



Joined: 03 Mar 2009
Posts: 2178
Location: France

PostPosted: Wed Nov 03, 2010 9:18 am    Post subject: Need help Reply with quote

Hi
I get this big chip almost 7,6 cm.
Find nothing about it if you have a idea
Thanks
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kosmokrator



Joined: 03 Jul 2008
Posts: 4085
Location: Athens-GR

PostPosted: Wed Nov 03, 2010 9:39 am    Post subject: Reply with quote

lol!!! what is this monster???

totally custom....
also i like the heatspreader on one chip (maybe this is the brain of the module)

unfortunnaly the 3 soldered chips are plastic.....if was ceramics will be the find of the year!!

manyfacturer is Cypres right?

any idea where this come from?>
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silice



Joined: 03 Mar 2009
Posts: 2178
Location: France

PostPosted: Wed Nov 03, 2010 9:59 am    Post subject: Reply with quote

I try to get more information where this chip com from
plastic chips are paint .
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CPUShack



Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA

PostPosted: Wed Nov 03, 2010 10:35 am    Post subject: Reply with quote

40MHz DRAM controller w/64bit Error Detection and Correction (EDC)

It can address and manage up to 1G of DRAM

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silice



Joined: 03 Mar 2009
Posts: 2178
Location: France

PostPosted: Wed Nov 03, 2010 10:38 am    Post subject: Reply with quote

Hi
Thank you for the information, impressive knowledge
Pascal
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kosmokrator



Joined: 03 Jul 2008
Posts: 4085
Location: Athens-GR

PostPosted: Wed Nov 03, 2010 10:41 am    Post subject: Reply with quote

!!!!! WHERE U FIND THIS INFO JOHN???
also where this stuff used ???
i havent see every day this things....
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kosmokrator



Joined: 03 Jul 2008
Posts: 4085
Location: Athens-GR

PostPosted: Wed Nov 03, 2010 10:43 am    Post subject: Reply with quote

Lol...i find it ...... also my self....
gust aaa correct search and voilla!!!
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CPUShack



Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA

PostPosted: Wed Nov 03, 2010 10:45 am    Post subject: Reply with quote

haha yes, you must improve your search-fu.

These were used in the mid-90s

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UMMR



Joined: 23 Aug 2007
Posts: 381
Location: Udine, ITALY

PostPosted: Wed Nov 03, 2010 11:24 am    Post subject: Reply with quote

Hello,
AFAIK this big and very nice hybrid is a cache and memory controller used in several vintage Data General Aviion M88K-based servers and workstations (AV5500 and others).
See this nice picture: http://badabada.org/images/av5500_mainboard.jpg. Your module is at the center of the board pictured there.
Nice addition to Your museum.
Paolo
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silice



Joined: 03 Mar 2009
Posts: 2178
Location: France

PostPosted: Wed Nov 03, 2010 11:41 am    Post subject: Reply with quote

Hi Paolo
Thanks for the picture.
Seem that I get in the same time the two Motorola without
the heatspreader
XC88410RC50D and XC88110RC50E
Pascal
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UMMR



Joined: 23 Aug 2007
Posts: 381
Location: Udine, ITALY

PostPosted: Thu Nov 04, 2010 4:24 am    Post subject: Reply with quote

Hi,
M88K stuff is nice!
Paolo
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Tegranphos



Joined: 04 Oct 2009
Posts: 806
Location: Navarra - Spain

PostPosted: Wed Feb 23, 2011 2:56 pm    Post subject: Reply with quote

Hello, I think that its the same:

http://cgi.ebay.es/ws/eBayISAPI.dll?ViewItem&item=230588599142&ssPageName=STRK:MEWAX:IT
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doccybrown



Joined: 03 Oct 2005
Posts: 1736
Location: Germany

PostPosted: Thu Feb 24, 2011 1:43 am    Post subject: Reply with quote

MACC wrote:
Hello, I think that its the same:

http://cgi.ebay.es/ws/eBayISAPI.dll?ViewItem&item=230588599142&ssPageName=STRK:MEWAX:IT


Thanks for the link! This seller had some nice things recently....
and looks like he opened a wholesale for NexGen-processors Razz

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Fossalta



Joined: 06 Aug 2010
Posts: 190
Location: Netherlands

PostPosted: Thu Feb 24, 2011 3:07 am    Post subject: Reply with quote

Yup, already got me 2 of those nexgens =) they are in EXCELLENT condition!
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doccybrown



Joined: 03 Oct 2005
Posts: 1736
Location: Germany

PostPosted: Thu Feb 24, 2011 3:49 am    Post subject: Reply with quote

You've got the P80 for a nice price if it was really in good shape!
Qwerty is the proud owner of a P100E/E now!
Since the seller also offered a lot of trays and multiple P90's
I think there is a good chance that all P90's are NOS!

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