Subject: Re: Stuck prom on VS3100 M76 --- how to reset?
To: NetBSD Bob <nbsdbob@weedcon1.cropsci.ncsu.edu>
From: David Brownlee <abs@netbsd.org>
List: port-vax
Date: 08/09/2000 17:13:57
	If someone provides a diff to the existing page.. I'll commit it.

                David/absolute
			       -- www.netbsd.org: A pmap for every occasion --


On Wed, 9 Aug 2000, NetBSD Bob wrote:

> > I've just run across the nvram clearing procedure in the VAXstation 3100
> > Model 76 Maintenance Guide (EK-VS31M-MG.002).
> > 
> > 1, Power off
> > 
> > 2. Remove the socketed Dallas chip. It is located behind and between the 
> >     two banks of memory sockets. It has a white picture of an alarm on it.
> >     Note the orientation carefully!
> > 
> > 3. Place the chip on the PSU conductive surface for one to three seconds.
> >     This briefly shorts the internal battery and resets the password state
> >     to disabled.
> > 
> >     THE MANUAL HAS A BIG BOLD WARNING: IF YOU SHORT THE CHIP
> >     INTERNAL BATTERY FOR LONGER THAN THREE SECONDS MAY CAUSE
> >     PREMATURE BATTERY FAILURE.
> > 
> > 4. Put the chip back in its socket, observing correct orientation.
> > 
> > 5. Power up and breath a big sigh of relief when it all works.
> 
> Excellent!
> 
> Someone who has control of the NetBSD VAX webpages PLEEEEZE make sure this
> kind of info gets posted in a clearly found location.  It is basic must-have
> fare.....
> 
> Many Thanks, Antonio!
> 
> Bob
> 
>