Path: utzoo!utgpu!water!watmath!clyde!bellcore!faline!thumper!ulysses!andante!mit-eddie!uw-beaver!cornell!mailrus!tut.cis.ohio-state.edu!cs.utexas.edu!ut-sally!ut-emx!osmigo
From: osmigo@ut-emx.UUCP
Newsgroups: comp.sys.mac
Subject: Please help re: possible ROM damage/bug
Message-ID: <3735@ut-emx.UUCP>
Date: 1 Jul 88 04:31:16 GMT
Organization: Speech Communication UT Austin
Lines: 29

I have a Mac SE purchased last fall, with two internal floppies and a Mirror
40X Magnet hard disk. Here's the problem:

1. When I press the interrupt button on the left side of the Mac (the one
   that throws you into the built-in debugger), I get a System Error, ID= 28,
   which is a stack overflow error. 

2. I've been informed that if this happens with 5.5/4.1, it is very likely
   a hardware (ROM) problem. Sure enough, that's what I was using when it
   happened: 5.5/4.1.

3. It does NOT happen with 6.0/4.2, however. Works perfectly.

4. Four days ago the hard disk, running 6.0/4.2, crashed horribly, with
   buzzing, Indian blanket, the works. Wouldn't even reformat. I just sent
   it back for on-warranty work. The first couple of times it crashed, though,
   before the noise/blanket started, it gave an  (guess...) ID= 28 System
   Error. 


I've been advised against hooking up the repaired hard disk until this is
resolved. Any and all comments would be most welcome, before I go out and
pay for a repairman's new ski boat.......Thanks in advance,


>-Ron Morgan--------------{ames, utah-cs, uunet}!ut-sally!ut-emx!osmigo--------<
>-Univ. of Texas---{gatech, harvard, pyramid, sequent}!ut-sally!ut-emx!osmigo--<
>-Austin, Texas-----------------------osmigo@emx.utexas.edu--------------------<
>-Speech Communication-----------------osmigo@ut-emx.UUCP----------------------<