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From: chow@batcomputer.tn.cornell.edu (Christopher Chow)
Newsgroups: comp.sys.mac
Subject: Re: Hard Disk Problem?
Message-ID: <2349@batcomputer.tn.cornell.edu>
Date: Tue, 15-Sep-87 21:42:46 EDT
Article-I.D.: batcompu.2349
Posted: Tue Sep 15 21:42:46 1987
Date-Received: Fri, 18-Sep-87 00:47:45 EDT
References: <7038@dartvax.UUCP> <7040@dartvax.UUCP>
Reply-To: chow@tcgould.tn.cornell.edu (Christopher Chow)
Organization: Cornell Theory Center, Cornell University, Ithaca NY
Lines: 18

In article <7040@dartvax.UUCP> boz@dartvax.UUCP (John Boswell) writes:
>	If I turn on my Mac Plus w/o turning on the harddisk, the screen 
>comes on, but as soon as it is done with its 'memory test" (or whatever),
>instead of getting the expected Mac icon in the center, the screen just
>goes black, and I get nothing.  This is with or w/o a disk in the internal

Is your Mac Plus one of the first units?  A bug in the original 128K ROM
prevents the Mac Plus to boot if it has an SCSI device attached to the SCSI
bus and the device is off.

Christopher Chow
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