From: James Mckenzie (os2support_at_theriver.com)
Date: Tue Oct 20 1998 - 00:13:15 EDT
The 486SLC was also used in the 750 series laptops.
James
Mark Bell wrote:
>
> 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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