[WinMac] Re: SFM Ring Zero

Glen Martin(glenmark[at]utxvms.cc.utexas.edu)
Tue, 19 Jan 1999 14:19:23 -0600

• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
• Next message: Dick Pollina: "[WinMac] Epson Stylus Photo EX printer -Reply"
• Previous message: Chick Foxgrover: "Re: [WinMac] New G3s keyboards"
• Next in thread: Dan Schwartz: "[WinMac] Re: SFM Ring Zero"

> Thanks for the info! BTW, only Ring 3 (user mode) and Ring 0 (kernel mode,
> a/k/a supervisor mode) is implemented in NT. The reason is that although
> there are Rings 3 through 0 in the x86, only Rings 3 and 0 exist on the
> Alpha (Per Sean Daily).

You have that backwards. ix86 has only two memory protection modes.
Alpha has four...

I hope that Windows 2000 does indeed get the graphics drivers out of
kernel memory space. The hit in reliability going from NT 3.51 to 4.0
was painful...

-- 
                                    _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
                                   _/ Glen Mark Martin               _/
                                  _/ University of Texas at Austin  _/
                                 _/ ACITS OpenVMS/NT Services      _/
                                _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/

*                    Windows-MacOS Cooperation List                 *
*  FAQ:              <http://www.darryl.com/winmacfaq/>             *
*  Archives:         <http://www.darryl.com/winmac/>                * 
*  Subscribe:        <mailto:winmac-on@xerxes.frit.utexas.edu>      *
*  Subscribe Digest: <mailto:winmac-digest@xerxes.frit.utexas.edu>  *
*  Unsubscribe:      <mailto:winmac-off@xerxes.frit.utexas.edu>     *

• Next message: Dick Pollina: "[WinMac] Epson Stylus Photo EX printer -Reply"
• Previous message: Chick Foxgrover: "Re: [WinMac] New G3s keyboards"
• Next in thread: Dan Schwartz: "[WinMac] Re: SFM Ring Zero"

This archive was generated by hypermail 2.0b2 on Tue Jan 19 1999 - 12:26:26 PST