Hi,
Ron Johnson wrote:
http://en.wikipedia.org/wiki/Intel_80386#The_i386SX_variant
In 1988, Intel introduced the i386SX, a low cost version with
a 16-bit data bus (although the CPU remained fully 32-bit
internally) intended to simplify circuit board layout and
reduce total cost
[snip]
The original i386 was subsequently renamed i386DX to avoid
confusion, though this would rather cause confusion later
when the DX in the name i486DX instead indicated floating-
point capability.
Okay, thanks for the clarification.
In any case, it is also my understanding that DX chips become SX chips
(perhaps only 486 ones) when the math co-processor failed to function
properly, the co-pro was disabled. Otherwise the faulty chips would be
junk, selling them as SX made them still worth something.
Kind Regards
AndrewM
Andrew McGlashan
Broadband Solutions now including VoIP
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