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Mail Archives: opendos/1999/06/14/12:22:41

Date: Mon, 14 Jun 1999 18:17:49 +0100
From: Matthias Paul <PAUL-MA AT reze-1 DOT rz DOT rwth-aachen DOT de>
Subject: Re: DRDOS 7.03 loading XMS-driver now wastes memory
To: opendos AT delorie DOT com
Message-id: <FAEBD84268@reze-1.rz.rwth-aachen.de>
Organization: Rechenzentrum RWTH Aachen
X-Mailer: Pegasus Mail v3.22
Reply-To: opendos AT delorie DOT com

On Sat, 12 Jun 1999 Utz Zarwell wrote:

> >IMHO parts of your configuration are rather unusual. 
> >Still, a number of comments and questions might help to better 
> >clarify your setup in general:
> 
> There is no need to do so.  :-)

Of course, but I find it interesting to dig through unusual 
configurations. Sometimes, you can learn alot from them... ;-)

> >Since you can't use VLADIVAR multitasking without 
> >EMM386, you could also try to use Helix's/Network Associates' 
> >CLOAKING driver instead of DPMS, also provides a "Cloaked DPMS 
> >server" (this is undocumented) at a (high loadable) memory 
> >footprint of ca. 1 Kb.
> >CLOAKING 2.01 (1994) shipped for example with Logitech MouseWare 
> >6.50 and 6.60, and even current issues of MouseWare 8.2x utilize 
> >it to run the mouse driver in Protected Mode, thereby reducing 
> >the visible mouse driver footprint downto ca. 1 Kb (instead of 
> >27 Kb otherwise). This even outperforms CTMOUSE/DRMOUSE...
> 
> Where to get?  :-)
> And how save is the use of CLOAKING?

It s almost totally save to use CLOAKING instead of DPMS. 

There are two issues known by me:

- CLOAKING causes the system to reboot, as soon as you start the
  multitasking TASKMGR. But this is no problem for you, since you 
  don t load EMM386 /MULTI anyway.
- Running "DPMS off" for a DPMS server provided by CLOAKING
  will hang the sytem. Apparently CLOAKING erroneously disables
  DPMS services for all the registered clients... ;-)
  
On the plus side:

+ It provides CLOAKING + DPMS at the same time and approx. the
  same memory footprint as DPMS alone. (This is possible because
  their concept is very similar.) The Cloaked DPMS server takes 
  ca. 100 extra bytes (run CLOAKING /NODPMS to disable it - and use 
  an external DPMS server for example).
+ It can be loaded high (if you happen to have UMBs somehow ;-)  
+ Using a LOGITECH mouse driver 6.60+ you will increase your free
  Conventional or UMB memory by ca. 26 KB... 
? There might be a chance that future issues of MouseWare will
  directly talk to DPMS in addition to CLOAKING, which could
  make things easier. Talk to Logitech to convince them... ;-)

CLOAKING can be found in the 6.50 and 6.60 issues of Logitech s 
MouseWare. I couldn t find it in later issues, but there might 
still be different bundles. It should also be available from 
Helix/Network Associates with their NETROOM memory manager. They 
also had a number of other CLOAKING clients like a disk cache etc. 
  
Matthias

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