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From: bcarter@claven.idbsu.edu (Bruce Carter)
Newsgroups: comp.sys.mac.misc
Subject: Re: Upgrading to Sys 7: Attention PowerDrive/NUM users
Message-ID: <1991Jun5.154809.29773@guinness.idbsu.edu>
Date: 5 Jun 91 15:48:09 GMT
References: <1991Jun4.201828.10112@ee.rochester.edu>
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In article <1991Jun4.201828.10112@ee.rochester.edu> rajiv@ee.rochester.edu
(Rajiv Arora) writes:

>2) Disk Driver: I have the PowerDrive 105 Quantum drive and "Disk Manager Mac"
>v2.23 software. According to a recently posted list, I need at least v2.24
>(current version 2.25) to run 7.0. However, I am not sure whether I'm OK with
>the version I have because I need neither VM nor 32-bit addressing--I have a
>4MB Plus. Can any other PowerDrive owners shed some more light on the matter?
>OnTrack Software, who distribute Disk Manager Mac, wanted $25 for an upgrade
to
>v2.25 even though the MacWeek list indicated it to be a free upgrade.

Contact Hard Drives International to get the free update to Disk Manager Mac. 
You may also be interested to know that with a little ResEdit hacking, Apple HD
SC setup will format PowerDrives (or at least the 80M Seagate-based ones).  I
prefer the Apple drivers since I don't partition the drive, and the DMM drivers
seem always to be tweaking the drive making the drive active light flash at me.

>Finally, I believe it is possible to have Sytem 6.0.x and System 7.0 installed
>on different partitons of one's HD, thereby allowing one to choose which
>version to startup with. I have hard partitions on my HD: how do I go about
>implementing this dual-system scenario?

I haven't done this, but apparently all you have to do is install System 7 on
one partition, install System 6 on another, and use the Startup Disk control
panel to set which one you want to use.  Some people have also said that you
need a "blessing" utility, but I believe that is only if both systems are on
one partition or if you have soft partitioning.

Also, in System 6, you'll see the Desktop and Trash folders that System 7 uses
invisibly.  I would suggest not messing with these.

Take this last part with a grain of salt as I personally have NOT done this. 
One of the professors here who has says that System 7 insists on rebuilding the
desktop every time you use it after having used System 6.  I don't know if
there are any other consequences.

Bruce Carter                                 Internet: bcarter@claven.idbsu.edu
Courseware Development Coordinator                     duscarte@idbsu.idbsu.edu
Boise State University                    Bitnet/CREN: duscarte@idbsu