386 to 486

From: jpero_at_sympatico.ca <(jpero_at_sympatico.ca)>
Date: Sun Jan 21 15:40:21 2001

> Date: Sun, 21 Jan 2001 21:08:09 -0500
> To: classiccmp_at_classiccmp.org
> From: Jeff Hellige <jhellige_at_earthlink.net>
> Subject: 386 to 486
> Reply-to: classiccmp_at_classiccmp.org

> Does anyone have any of the 386 to 486 upgrades that plug
> into the 386DX socket, usually using the TI 486SLC? I know Evergreen
> made such a beast, and in fact one just went up for sale on eBay.
> Does anyone have one they'd like to part with?
>

This is great tinker thing to broost some performance out of a 386.
386DX is 486DLC, oh you also need 387DLC to go with it.
Oh yeah, there's 486DLC2 double clocked too. TI and Cyrix are same
chip of these. No matter what, you won't get a barn-burner like that
except with true intel or amd 486 that is directly supported
motherboard itself. Desktop model 70 w/ -Axx can take either 386dx
25 or 486dx 25 w/ BIOS set. Remember for clock vs clock, 486 is
twice as fast of what 386dx does except for SLC/DLC which is appox
10% faster over 386SX/DX

Only major expection made by IBM's 386SLC, 486SLC and DLC,
SLC2/DLC2 (appox DX2 40) and SLC3/DLC3 (appox DX4 75). All these
are very potent cpus due to larger L1 16K in both x2 and x3 while
straight ones is 8K. Intel/IBM aggrement only allows IBM to sell
IBM's unique x86 CPUs w/ built boards by IBM's or in IBM computers.
I had that unique MCA bus based thinkpad 700C w/ 486SLC2 50 in
it. Sweet little thing, only big negative w/ that notebook only can
accept MCA bus 2.5" hard drive. Imagine that!

But you still need to use utility to enable that little 1K cache for
that Cyrix/TI to get performance.

Cheers,

Wizard
Received on Sun Jan 21 2001 - 15:40:21 GMT