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xi11west
Joined: 07 Mar 2005
Posts: 1526
Location: Houston, TX
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 Posted: Sat Apr 25, 2009 9:34 am Post subject: recent find TI 486 potomac |
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I got two chips marked with potomac last week. After some searching I'm guessing they are TI 386 to 486 upgrade chips.
http://homepage3.nifty.com/sandy55/Interposer/386_upgrade.html
The marking reads:
4
Potomac E3
PG 3.1
4150551-6
The bottom has 386 pin out. Does someone has further information about these chips?
Also find a MF8008-1R and a Aox 286 to 386 upgrade |
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Elar
Joined: 16 Jul 2003
Posts: 746
Location: Tallinn, Estonia
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johnorun
Joined: 04 Apr 2008
Posts: 3364
Location: Chicago, IL- US
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| Posted: Sat Apr 25, 2009 11:04 am Post subject: |
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Great reference list, Elar!  |
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xi11west
Joined: 07 Mar 2005
Posts: 1526
Location: Houston, TX
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| Posted: Sat Apr 25, 2009 12:20 pm Post subject: |
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yes I found a similar page with the same content too.
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5iCPU
Joined: 07 Jul 2008
Posts: 175
Location: CHINA
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| Posted: Sun Apr 26, 2009 10:09 am Post subject: |
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THANKS VERY MUCH！！！
Add reference price may be more helpful !!!
_________________
All gone but U left. ----SUNG |
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5iCPU
Joined: 07 Jul 2008
Posts: 175
Location: CHINA
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| Posted: Sun Apr 26, 2009 10:12 am Post subject: |
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Hi xi11west:
When you back nanjing ,call Mr Huang and me!!!
_________________
All gone but U left. ----SUNG |
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debs3759
Joined: 18 Jan 2006
Posts: 9477
Location: Northampton, Divided Kingdom
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| Posted: Sun Apr 26, 2009 4:14 pm Post subject: Re: recent find TI 486 potomac |
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| xi11west wrote: | I got two chips marked with potomac last week. After some searching I'm guessing they are TI 386 to 486 upgrade chips.
http://homepage3.nifty.com/sandy55/Interposer/386_upgrade.html
The marking reads:
4
Potomac E3
PG 3.1
4150551-6
The bottom has 386 pin out. Does someone has further information about these chips? |
Very nice find! That's one of a very limited number of chips I have been looking for since before I knew about collectability
_________________
My graphics card database can be found at http://www.gpuzoo.com.
I can resist anything except temptation.
Debs |
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Borris70
Joined: 24 Apr 2003
Posts: 988
Location: Germany
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| Posted: Sun Apr 26, 2009 4:34 pm Post subject: |
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btw: here's the official site link from this list (this site is from Adrian Offerman)
http://www.chiplist.com/ChipList1/chiplist.long.html
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best regards borris
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++ cpu-sammlung.de ++
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