Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!nstn.ns.ca!ac.dal.ca!ireland
From: ireland@ac.dal.ca
Newsgroups: comp.sys.mac.system
Subject: Re: Tricking VM to work with Syquest drives
Message-ID: <1991Jun6.135603.471@ac.dal.ca>
Date: 6 Jun 91 16:56:03 GMT
References: <1991Jun6.202534.1@f.adelaide.edu.au>
Organization: Dalhousie University, Halifax, Nova Scotia, Canada
Lines: 39

In article <1991Jun6.202534.1@f.adelaide.edu.au>, mpradhan@f.adelaide.edu.au writes:
> 
>  Hello all,
> 
>  I recently installed Sys 7.0, I have an internal HD and a CMS Syquest drive.
>  I read a few reports how it was not possible to use the removable HD for
>  virtual memory, but I remember doing this with b4 without much trouble.
> 
>  To get Sys 7.0 to use a removable HD for VM was a bit tricky but it finally
>  worked: I didn't use the autoload init (extension) that comes with the
>  CMS (INIT version 6.0.3) and I mounted the drive using SCSI Probe version 3.
>  This fooled the Mac into thinking that the removable cartridge was fixed
>  and allowed me to allocate VM space on it. I just restarted and things went
>  smoothly.
> 
>  This trick does not work if you have the drive mount during startup, the Mac
>  realizes that it's removable. I don't know if this is an idiosyncracy of the
>  CMS drive or if it will work with any SCSI Probe/Syquest combination.
> 
>  I am going to get a fresh cartridge to have a nice big 42Mb VM space...
> 
>  I'd appreciate any comments if this is a dangerous or otherwise unhygeinic
>  trick to play.
> 
>  Regards
>  Malcolm
> _________________________________________________________________
>     Malcolm Pradhan                               _--_|\
>     Medical Computing, Faculty of Medicine       /      \
>     University of Adelaide, South Australia      \_.--._/
>     InterNet: mpradhan@f.adelaide.edu.au               v
>     Fax: + 618 223 2076


Great tip!  I got VM working on my APS Syquest drive. It's quite a bit slower
than VM on my internal Quantum 105, but seems to work OK.

Keith Conover
ireland@ac.dal.ca