Re: SPARC 1+ memory problem??

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Article #6515

#6515

From: Doug Hughes
Date: Sun, 12 Nov 1995 00:00

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On 12 Nov 1995, Peter Fieschko wrote:

Well, to me it looks more like a bad prom than a bad memory SIMM. If you
can try swapping out the motherboard and see if that fixes the problem.


> I just took over support for 2 SPARCstations. Although I know SysV I'm a little green on the sun.
> 
> One of the SPARC 1+ machines has what I believe to be a memory problem. Can anyone here help? It does not finish booting up; and ends up with the PROM prompt.
> 
> Here are the messages the 1+ displays:
> 
> SPARCstation 1+, Type-4 Keyboard
> ROM Rev. 1.3, 40 MB memory installed, Serial #16743919
> Ethernet address ff:8f:bf:7f:2f:9f, Host ID: c5ff7def.
> 
> Cache Data Memory Test
> Probing Memory Bank #: 1 2 3 4 5
> Booting from: le(0,0,0) vmunix
> The IDPROM checksum is incorrect. [msg repeats 3 times]
> Internal loopback test ---
> Did not receive expected loopback packet.
> Can't open boot device

Also, it looks like you have diag-switch? turned on in the prom. If
this is the case, your machine may be trying to boot off the network.
turn diag-switch? off and it should boot from the internal disk (typically
sd@3,0)

____________________________________________________________________________
Doug Hughes					Engineering Network Services
System/Net Admin  				Auburn University
			doug@eng.auburn.edu
	Apple T-shirt on Win95 - "Been there, done that"

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From: Doug Hughes <doug@eng.auburn.edu>
Subject: Re: SPARC 1+ memory problem?? 
Date: 1995/11/12
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