31 Jul
2007
31 Jul
'07
9:36 p.m.
At 7:03 PM -0700 7/31/07, Scott Quinn wrote:
Hmm- anyone managed to get the SM81s to work reliably in a
SPARCstation 20 SMP?
I have a SS20/2xSM81 as my SMP Sun- haven't used it much yet but if
in general they have stability issues I should probably do something
else.
I've been nice and stable with a pair of SM71's. What I think would
be cool to try is a pair of the dual CPU boards for a quad CPU system
(I think they were 50Mhz). I ran my SS20 like this for quite some
time before I upgraded to an UltraSparc based system.
My big problem is with the hard drives, most of my SCA drives are
7200 or 10k RPM, which tend to run to hot for Sun Pizza boxes, and
the bearings seem to go out.
Zane
--
| Zane H. Healy | UNIX Systems Administrator |
| healyzh at aracnet.com (primary) | OpenVMS Enthusiast |
| MONK::HEALYZH (DECnet) | Classic Computer Collector |
+----------------------------------+----------------------------+
| Empire of the Petal Throne and Traveller Role Playing, |
| PDP-10 Emulation and Zane's Computer Museum. |
| http://www.aracnet.com/~healyzh/ |
I picked up a pair of SM91-2's on eBay years ago.
They do indeed work in
an SS20 -- for a while. Then I think the heat catches up with them...
Every time I installed them (I must've tried singles and pairs) it would
be fine, I'd go do something else, and I'd come back to a locked
up machine.
I have had the same experience with 80MHz CPUs in my SS20. I finally had
to settle for 2x50MHz and some stability instead.
Steve