Re: Diagnosis of a 3/60

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#3295

From: Craig Dewick
Date: Wed, 30 Oct 1996 00:00

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In <556op7$oda@news.d.umn.edu> baakre@ub.d.umn.edu (blair aakre) writes:

> I just picked up an old 3/60 with the monochrome monitor, 24 megs of ram,
> and no disks. Turn it on and everything says it works, it's looking to boot
> over the network apparently, but the third diagnostic LED from left (looking
> at the back of the computer) is blinking. It fails the extended memory
> tests. So basically is my MMU hosed? Or is there hope.....

The blinking LED indicates that the machine has correctly passed all of
the power-on selftests and that the ROM monitor currently has control. 
This means everything is ok to boot from somewhere. 

The extended tests (assuming you mean the ones available via the 'x'
command of the ROM monitor) are not reliable from the experience I've had
with 3/60's and various bootrom versions. 

Regards,

Craig.
-- 
        Craig Dewick - craig@zeta.org.au - http://www.zeta.org.au/~craig  
            Professional Train Driver. Located in Sydney, Australia.
          Sun Ripened Kernels - http://www.zeta.org.au/~craig/srk.html
                Surplus and pre-loved Sun Microsystems equipment.

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From: craig@zeta.org.au (Craig Dewick)
Subject: Re: Diagnosis of a 3/60
Date: 1996/10/30
Message-ID: <556vcj$a93@godzilla.zeta.org.au>
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