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vinicio
Joined: 15 Feb 2003
Posts: 435
Location: Italy - Tuscany
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 Posted: Sat Jul 02, 2005 5:10 am Post subject: DX2 SA5V1X . |
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My friend has found this cpu DX2 SA5V1X.
Specification number : SX768
anybody have some information on SA5V1X ?
Thanks.
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gshv
Joined: 01 Feb 2003
Posts: 7898
Location: Fairfax, VA USA
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| Posted: Mon Jul 04, 2005 11:59 am Post subject: |
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Some time ago I was looking for info about SA5V1X and couldn't find any useful information. I think that the second part "5V1X" is decoded the same way as for the "&E..." markings, that is "5 Volt, 1X external clock speed". "SA" could mean the opposite of "&E", i.e. non-SL enhanced. I'll try to confirm it when I build 80486 test system.
Gennadiy |
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vinicio
Joined: 15 Feb 2003
Posts: 435
Location: Italy - Tuscany
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| Posted: Fri Feb 17, 2006 8:22 pm Post subject: |
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finally, I found CPU SA5V1X . 
High quality [5X]
http://www.cpu-museo.it/varie/486_sa5v1x.jpg
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Fatti non foste a viver come bruti, ma per seguir virtute e canoscenza.
(Dante Alighieri, Inferno, Canto XXVI, 119 - 120) |
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KK_Fin
Joined: 01 Jul 2013
Posts: 835
Location: Finland
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| Posted: Thu Sep 19, 2013 10:51 am Post subject: |
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Is this mystery solved? I get today one SA5V1X CPU and I'm wondering what that marking means.
Could it be used before &E5V1X marking? I looked my own cpus and many sites also and found that every SA had a datecode 1993 week 3x or week 4x. Oldest &E cpus (what I quickly found) had datecodes 1993 week 4x, but no week 3x. Or is it SL enchanced at all?
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1242 x86 CPUs in my collection (week 2 2026). |
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vinicio
Joined: 15 Feb 2003
Posts: 435
Location: Italy - Tuscany
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| Posted: Thu Sep 19, 2013 3:46 pm Post subject: |
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will remain a mystery .... 
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Fatti non foste a viver come bruti, ma per seguir virtute e canoscenza.
(Dante Alighieri, Inferno, Canto XXVI, 119 - 120) |
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gshv
Joined: 01 Feb 2003
Posts: 7898
Location: Fairfax, VA USA
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| Posted: Fri Sep 20, 2013 10:50 pm Post subject: |
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Some Intel 80486 processors were called 80486SA and 80486SB. I suspect that the "SA" (and there is also "SB") prefix may have something to do with this. I never tried to go through datasheets to determine the differences between original 486 processors, "SA" and "SB" processors, so I can't confirm this theory.
Gennadiy |
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