<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;">It's always worth checking memory as well. I've had endless issues in the past with bad memory and they can be hard to diagnose. Systems can start, pass POST but then various things fail.<div><br></div><div>Recently on an Ultra 2 I had issues with one of the CPU modules which was constantly failing in service, replacing the module had no effect, and I eventually tracked it down to bad memory. <br><div><br></div><div><div>Just FYI.</div><div><br></div><div>Ian</div><div><br id="lineBreakAtBeginningOfMessage"><div><br><blockquote type="cite"><div>On 21 Feb 2025, at 22:51, Alan Perry via rescue <rescue@sunhelp.org> wrote:</div><br class="Apple-interchange-newline"><div>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<div><p>I fired up my 320 (for the first time in a couple years).</p><p>I tried taking one of the (6) DIMMs out and the system booted
fine. It turns out that I have 2.5.1 installed on it.</p><p>I also tried to boot it with a Ross 133MHz hyperSPARC mbus
module. The PROM is Axil 320 specific (it says "320" on the label)
and is version 2.19. It does not boot:</p><p>Trap # 9 sfsr 3a6 sfar 4000000 <br>
Ross afsr 0 Ross afar fc47c0 <br>
Data Access ExceptionTrap # 9 sfsr 126 sfar a1480002 <br>
Ross afsr 0 Ross afar fc47c0 <br>
Data Access ExceptionTrap # 9 sfsr 126 sfar a1480002</p><p>... repeated until I powered down the system.</p><p>alan<br>
</p>
<div class="moz-cite-prefix">On 2/21/25 1:40 PM, William
Barnett-Lewis wrote:<br>
</div>
<blockquote type="cite" cite="mid:CADUrxuts1MK+HaJ_GiE_us2Jq6S2GLB8behs0Wwmc8Y+wdzLKQ@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8"><p dir="ltr">Unknown at this time. It did arrive with a Ross 90
MHz 256 cache CPU installed. I'll put it back in first when I
get home from picking up my son from his welding class.</p>
<br>
<div class="gmail_quote gmail_quote_container">
<div dir="ltr" class="gmail_attr">On Fri, Feb 21, 2025, 15:35
Alan Perry <<a href="mailto:alanp@snowmoose.com" moz-do-not-send="true" class="moz-txt-link-freetext">alanp@snowmoose.com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="auto">
<div dir="ltr">I can try stuff in my 320 (like an odd number
of memory) to see if it works there.</div>
<div dir="ltr"><br>
</div>
<div dir="ltr">What is the PROM version?</div>
<div dir="ltr"><br>
</div>
<div dir="ltr">alan</div>
<div dir="ltr"><br>
<blockquote type="cite">On Feb 21, 2025, at 13:08, William
Barnett-Lewis via rescue <<a href="mailto:rescue@sunhelp.org" target="_blank" rel="noreferrer" moz-do-not-send="true" class="moz-txt-link-freetext">rescue@sunhelp.org</a>>
wrote:<br>
<br>
</blockquote>
</div>
<blockquote type="cite">
<div dir="ltr">
<div dir="auto">That's a really good thought. I don't
have any previous experience with mbus machines, so
that didn't occur to me. I'll try that when I get home
in a bit.
<div dir="auto"><br>
</div>
<div dir="auto">Thanks!</div>
<div dir="auto"><br>
</div>
<div dir="auto">William </div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Fri, Feb 21,
2025, 14:56 Mike Spooner via rescue <<a href="mailto:rescue@sunhelp.org" target="_blank" rel="noreferrer" moz-do-not-send="true" class="moz-txt-link-freetext">rescue@sunhelp.org</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>
<div dir="auto">William,<br>
<br>
I would try it with just a single CPU module at
a time (both of them, one at a time) - MBus
modules are all very old now, and I've had an
MBus module die completely before.<br>
<br>
Regards,<br>
Mike</div>
<br>
<br>
<div class="gmail_quote">
<div dir="auto">On 21 February 2025 19:17:08
GMT, William Barnett-Lewis via rescue <<a href="mailto:rescue@sunhelp.org" rel="noreferrer noreferrer" target="_blank" moz-do-not-send="true" class="moz-txt-link-freetext">rescue@sunhelp.org</a>>
wrote:</div>
<blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<pre><div dir="auto">Got the Axil 320 and CPUs in today.
I've plugged in my dell flatscreen with a sun type 13w3->VGA adapter,
Type 5 keyboard and mouse, and ethernet cable. There are 5 memory
DIMMS (one in slot 0 marked 64mb, others unmarked). I pulled the
single 90mhz/256cache cpu and put in the 2 147s. I haven't gotten the
ZuluSCSI yet but hoped to get to the prompt.
No such luck.
I do get a single beep from the keyboard, all the led's flash once and
then nothing more. The most concerning thing is that one of the three
fans - the one closest to where the drives are - isn't spinning - and
there is as sort of undulating sound like going up and down. I let it
run for a good 15 minutes in case of dead NVRAM but still nothing came
up on video.
I presume the next thing is to get a serial cable from A/B on the back
to my PC? Anything special I'll need for that? Then just any linux
terminal emulator should do.
William
</div></pre>
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