From: Mark Bell (bytehead_at_bellatlantic.net)
Date: Mon Oct 19 1998 - 21:19:25 EDT
At 01:38 PM 10/19/98 -0700, Mitchell Yee wrote:
>The differences between the SL vs. DX 486 chip:
>
>1. SL has a bigger internal cache 16K vs. 8K
> for the DX
>
>2. Although the math co-processor is still on
> the basic 486 die, it's disabled for the SL.
>
>3. My evil memory keeps telling me that the
> voltage is slightly less for the SL vs.
> the DX. I'm really not sure anymore.
>
>4. Because the math co-processor is disabled,
> the pin-outs are different, hence the non-PGA
> form for the SL variant (I think it's a one
> pin difference).
>
>Remember, that IBM came up with the SL variant
>of the 486 as a way to bring out a cheaper 486,
>back in the days when 486 processors went
>for up to $400 each. It sort of made sense
>back then. Sort of.
Are you confusing the 486SL for the 486SLC? The 486SLC is
an IBM/Cyrix SX hybrid chip (16/32) popular in IBMs MCA
machines (700/720 Portables, various PS/2 machines), whilst
the 486SL is the power saving version of the 486 by Intel
(What we would refer to as the mobile version <g>).
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