Re: boot from hard disk is impossible

Article View: local.sys.mac

Article #1

From: Sven Grenander
Date: Tue, 18 Aug 1992 22:33

36 lines
2224 bytes

In article <1992Aug18.145807.23910@rtsg.mot.com>, duin@rtsg.mot.com (Harry H. Duin) writes:
> 
> I am having a startup problem with my Mac. Upon powerup my Mac will
> only boot from the floppy disk and not from any attached hard disk.
> My hard disk on SCCI 6 does contain a System Folder.
> 
> Configuration: Mac IIx
>                Finder 6.1.4
>                System 6.0.4
> 	       Quantum 105 on SCSI 4 (internal)
>                Jasmine DirectDrive 70 on SCSI 6 (external)
> 
> Let me give some more background. I started out with only the internal hard
> disk a few weeks ago. Everything seemed fine. Then I made the mistake
> to insert the Apple tour diskette (you know the Hypercard simulation) and
> the Apple tour does not work on the IIx - in fact the program seems to  get
> stuck in some kind of loop. I then pressed the reset programmer switch and hoped 
> the diskette would be ejected by the Mac. Alas not true. Then I pressed the reset
> switch again and immediately ejected the diskette by sticking a pin into the
> hole to the right of the floppy disk (emergency eject). This is when the above
> problem started. It seems like the Mac still thinks there is a diskette present 
> and will refuse to talk to the hard disk for startup information.
> 
> Can anyone help me out? I have spent hours on this problem by reformatting my
> hard drives, using other System Folders etc.
> 
> Harry Duin
> duin@rtsg.mot.com
> 
> 

Try Zapping the PRAM (I don't know how to on your h/w, but it's probably in
a FAQ if not your manuals). I've had _really bad_ crashes cause the PRAM to
get garbaged like what you are describing.

-Sven

Technical Details

Message-ID: <1992Aug18.223323.5779@elroy.jpl.nasa.gov>

Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!sdd.hp.com!elroy.jpl.nasa.gov!sgrenander@NASAMAIL.JPL.NASA.GOV

References: <1992Aug18.145807.23910@rtsg.mot.com>

Show Full Headers

Complete Article Headers

Newsgroups: local.sys.mac,comp.sys.mac.misc,comp.sys.mac.system
Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!sdd.hp.com!elroy.jpl.nasa.gov!sgrenander@NASAMAIL.JPL.NASA.GOV
From: sgrenander@NASAMAIL.JPL.NASA.GOV (Sven Grenander)
Subject: Re: boot from hard disk is impossible
Message-ID: <1992Aug18.223323.5779@elroy.jpl.nasa.gov>
Sender: news@elroy.jpl.nasa.gov (Usenet)
Nntp-Posting-Host: mac4.jpl.nasa.gov
Organization: Jet Propulsion Laboratory
References: <1992Aug18.145807.23910@rtsg.mot.com>
Date: Tue, 18 Aug 1992 22:33:23 GMT
Lines: 36

Reply to Parent Message