Date:	Fri, 8 Oct 93 08:22:02 PDT
From:	palomino!edward AT uunet DOT UU DOT NET (Edward Maros)
To:	uunet!VMSFE.ULCC.AC.UK!CZIWKGA AT uunet DOT UU DOT NET
Subject:	Re: Novice question on FP use and emulation
Cc:	uunet!sun.soe.clarkson.edu!djgpp AT uunet DOT UU DOT NET

> I'm happy in that I have a solution that works (use the emulator
> without sources) but I'm unhappy in that I don't understand
> the other behaviour. What's more, I had earlier had a (presumably
> mistaken) impression that 486 processors performed floating-point
> instructions themselves, without the need for a 387 co-processor.
> I seem to be wrong. So what sort of co-processor goes with
> a 486 ?

This is the difference between a 486-DX and a 486-SX. If your Del machine
has an SX cpu, it means that the math co-processor has been disabled.
When I origionally heard about the 486-SX cpus, it seemed to me to be
a scam by Intel to sell defective 486-DX chips :)

> 
> Thanks for any replies.

You are most welcome.

---
Edward Maros				edward AT dii DOT com
Member Technical Staff			uunet!dii.com!edward
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