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Re: PMAGB-B cyclic video test on boot

To: Alveryanov Alexander <>,
Subject: Re: PMAGB-B cyclic video test on boot
From: Richard van den Berg <>
Date: Sun, 14 Nov 1999 21:23:28 +0100 (MET)
In-reply-to: <99111408453402.00536@localhost.localdomain>
On Sun, 14 Nov 1999, Alveryanov Alexander wrote:

> Who have any technical reference to PMAGB-B card ? 

> I have DECstatoin 5000/200 with  this card, but dont have 
> any documenation for it. I try switch on-off  jumpers on PMAGB-B card. 

One jumper is there to select the frequency, if there is a second crystal
present of course. For operating purposes the other jumper - labelled
protect - doesn't have any use to my knowledge.

> After this procedure my DECstation go to cycle video test after 
> power-on. I can not boot from machine. 

> How solve this problem ? 

Best is to remove the card reset the prom and follow the instructions you
can read on these pages:


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