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Article #36674

Re: Mac II problems

#36674
From: Bob Hablutzel
Date: Tue, 24 Jan 1989 16:03
25 lines
1594 bytes
> I'm having a peculiar problem with my machine that someone has
> hopefully encountered before. After the machine has been running for a
> while, the hard disk suddenly switches off, then after a few seconds
> switches on again, repeating this cycle. The machine continues running
> as if nothing has happened until it notices that the hd is dead. I
> have just installed a 1 meg upgrade(256k simms) so now the machine has
> 2 megs, and the problem only started since I fitted the new simms, so
> I presume that there is a relationship. I have heard of this happening
> to another Mac II, but can't get hold of the person to whom this
> happened.
> Any advice anyone ? 

Is the drive an internal one? It is possible that during the installation of
the SIMMs that you loosened the drive connection cables, as the drive sits
just above where the SIMMs are installed. There are two cables - a power 
cable which consists of 4 wires, and a SCSI ribbon cable. If either of these
is loose at either end you could get the noted problems.

> Pramod.

> pramod@drizzle.cs.uoregon.edu

Bob Hablutzel	Wildwood Software	BOB@NUACC.ACNS.NWU.EDU
Disclaimer:	All hardware problems can be solved with a brick and a 
		warranty.
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Message-ID: <10330120@accuvax.nwu.edu>
Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!lll-winken!ames!mailrus!ncar!tank!nucsrl!accuvax.nwu.edu!bob
References: <3595@uoregon.uoregon.edu>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!lll-winken!ames!mailrus!ncar!tank!nucsrl!accuvax.nwu.edu!bob
From: bob@accuvax.nwu.edu (Bob Hablutzel)
Newsgroups: comp.sys.mac
Subject: Re: Mac II problems
Message-ID: <10330120@accuvax.nwu.edu>
Date: 24 Jan 89 16:03:14 GMT
References: <3595@uoregon.uoregon.edu>
Organization: Northwestern U, Evanston IL, USA
Lines: 25