[Ham-Computers] RE: windows stuff

[Paul]

Marcel Buijs wrote:
> an inpressing list, but not complete..
> 
> My first XT was an Laser XT2 (4.7 and 10 Mhz, in speed mode)
> 
> the 80486 are mathematical Co-processors, not CPU's.
> they can enhanced the speeds of the PC, only with programms who are special
> write for 486..
> 

The 486 came in 2 forms, SX & DX (plus various speeds).

The SX was the DX with its floating-point unit disabled (accidently 
initially, then by design).

The 487 was a 486DX with everything but the FPU disabled, effectively 
486SX + 487 = 486DX