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From: Garance_Drosehn@mts.rpi.edu (Garance Drosehn)
Newsgroups: comp.sys.mac,comp.sys.mac.hardware,comp.sys.mac.system
Subject: Re: Mayday, mayday, mayday - i'm in deep trouble (HELP)
Message-ID: <79Y$7'*@rpi.edu>
Date: 21 Jul 90 00:19:27 GMT
References: <205@sc2a.unige.ch>
Organization: Rensselaer Polytechnic Inst.
Lines: 37

In article <205@sc2a.unige.ch> 
           roessli@sc2a.unige.ch (David Roessli) writes:

>     i'm experiencing deep trouble with a Mac IIx and various peripherics,
> and was wondering if any of you out there had seen anything like it 
> before.  Here it comes:
> 
> Context: 
>     we've purchased a Mac IIx, 8Mb RAM, 1 external 142Mb LaCie disk,
>     1 internal 192Mb LaCie disk (Tsunami or something like that),
>     Sigma Design ColorMax 19" screen (8 bits), Apple's CD-ROM drive, 
>     Ethernet board, Howtek ScanMaster II (with internal board).
> 
>     The whole thing upgraded to version 6.0.5
                  [...etc...]

You might start out by trying to cut down on the number of devices you 
have.  SCSI devices are simple to set up, as long has you have only one of 
them.  Start tossing 4 or 5 together and getting the connections right can 
be a bit of a hassle.  You might want to check a recent article in 
MacWorld or MacUser on the art of connecting SCSI devices, written by Thom 
Hogan, if I remember right.

If it were me, I'd start by trying to run the system minus the external 
drive and the CD-ROM drive.  That's just a guess though.  Note that it 
isn't the *devices* that are screwed up (assuming the problem is what I 
think it is), it's the combination of devices & terminators in the entire 
SCSI string.  I don't know what a "Scanmaster" is, but if that's a SCSI 
device too then take that off the machine.  See how well it runs with 
that combination of hardware first.

Oh, yes, and *do* make sure all your SCSI devices are at different
addresses!

Garance_Drosehn@mts.rpi.edu
ITS Systems Programmer
Rensselaer Polytechnic Institute; Troy, NY.  USA