IBM 386 and Intel ES

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Sten



Joined: 04 Feb 2006
Posts: 358
Location: Czech Republic

PostPosted: Tue Apr 10, 2007 2:38 pm    Post subject: IBM 386 and Intel ES Reply with quote

Hi all
1st chip is Intel ES, maybe some mobile chip, Any idea?
2nd chip looks like IBM 386, but it is DX, SX, and how fast is it?
Please advise
Thanks
Best Rgrds
Sten
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Marcin



Joined: 02 Jan 2005
Posts: 8519
Location: Poland

PostPosted: Tue Apr 10, 2007 2:57 pm    Post subject: Reply with quote

IBM is propably 66 MHz - on FSB 33 MHz from markings : 32G6633

I can be in wrong. This information wasn't checked.

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Mixeur



Joined: 06 Jan 2005
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Location: Sochaux, France

PostPosted: Tue Apr 10, 2007 3:22 pm    Post subject: Reply with quote

Marcin wrote:
IBM is propably 66 MHz - on FSB 33 MHz from markings : 32G6633

I can be in wrong. This information wasn't checked.

I don't think so, there is no logic in IBM cpus markings. I have one cpu like yours : 51F1784 and it is a 386DX-20...

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Mixeur



Joined: 06 Jan 2005
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PostPosted: Tue Apr 10, 2007 3:23 pm    Post subject: Reply with quote

The first cpu is a µBGA PII ES.
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gshv



Joined: 01 Feb 2003
Posts: 7898
Location: Fairfax, VA USA

PostPosted: Tue Apr 10, 2007 5:49 pm    Post subject: Reply with quote

Borris70 lists 32G6633 in his collection as "IBM 486 DX4-100":

http://www.cpu-sammlung.de/collection.html

Gennadiy
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Borris70



Joined: 24 Apr 2003
Posts: 988
Location: Germany

PostPosted: Sun Jul 01, 2007 3:43 am    Post subject: Reply with quote

gshv wrote:
Borris70 lists 32G6633 in his collection as "IBM 486 DX4-100":

http://www.cpu-sammlung.de/collection.html

Gennadiy


for some reason i didn't saw this thread before.

This was a mistake in my listing.

32G6633 is a 80386 chip. i fixed my website

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Unzlbunzl



Joined: 30 Jan 2007
Posts: 468
Location: Graz, Austria

PostPosted: Thu Oct 11, 2007 1:50 pm    Post subject: Reply with quote

info on ibm 32g6633
got one on a card which indicates its 25mhz (80385-25, 50mhz quarz, so it should be dx-25)
card like there:
http://john.ccac.rwth-aachen.de:8000/alf/ps2_70a16/
also a dx-25 machine!
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Sten



Joined: 04 Feb 2006
Posts: 358
Location: Czech Republic

PostPosted: Thu Oct 11, 2007 3:08 pm    Post subject: Thanks Reply with quote

Thanks for your help Unzlbunzl
Best Rgrds
Sten
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el_gecko



Joined: 25 May 2005
Posts: 1553
Location: Nice, France

PostPosted: Thu Oct 11, 2007 3:28 pm    Post subject: Reply with quote

I also referenced it as 386DX-25, thanks for confirmation Smile
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