New subject: Differentiating chips (Was: Newbie member saying

10 Sep 1999

On Fri, 10 Sep 1999, Hans Franke wrote:
...
 > Well, check at startup the DX register - if DH is
3 it is a DX,
> if 23 it's a SX (DL is the stepping). 
At 12:54 PM 9/10/99 -0700, Fred wrote:
...
 And then the POST (Power On Self Test) IMMEDIATELY
wipes it. It's easy to
bypass some parts of the POST, but how do you suggest checking the value
in that register before the computer has booted enough to even have video? 
Could you jump into protected mode and out again (which forces a reset) and
pull the value out of DH then?

--Chuck

Differentiating chips (Was: Newbie member saying something!!!