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From: archetyp@uxh.cso.uiuc.edu (Joseph R Pickert)
Newsgroups: comp.os.minix
Subject: Re: ROM routines and Minix
Message-ID: <1990Sep17.135641.25108@ux1.cso.uiuc.edu>
Date: 17 Sep 90 13:56:41 GMT
References: <26F436F9.18893@orion.oac.uci.edu>
Sender: news@ux1.cso.uiuc.edu (News)
Organization: University of Illinois at Urbana
Lines: 11

rprohask@orion.oac.uci.edu (Robert Prohaska) writes:

>I'm thinking of AST's observation in "THE BOOK" that Minix
>can't use the ROM BIOS in a pc clone because the routines
>can't be interrupted.  
>What happens in the case of MacMinix?  Is the Toolbox unused?

The toolbox is used, and it essentially has this
same limitation, which is that the ROM can't be
reentered. Any process that goes into the ROM won't
get switched away from.