From: jfc@athena.mit.edu (John F Carr) Subject: Re: To cache or not to cache. Which machine to buy. Date: 10 Feb 1993 00:36:41 GMT
In article <HAGAN.93Feb8220332@freya.cs.umass.edu>
hagan@freya.cs.umass.edu (Craig I. Hagan) writes:
>:If I remember correctly, the 486SX is a complete 486 with the FPU disabled.
>the 48{6,7}sx was, IMHO, the mad brainchild of one of the engineers, as
>there will be a larege amount 486 chipes that have either flawed
>math units, or flawed integer units, and would otherwise have to be
>thrown out.
From reports on the net, the 486SX was originally a 486 with FPU disabled,
but has since been reimplemented as a new design. There is no disabled FPU
on current 486SX chips.