2 Jul
2018
2 Jul
'18
4:13 p.m.
They were also offered with the Alarm Interface Circuit card and
Remote Management Package, soft off might have been required as part
of those design considerations for remote management.
On Sun, Jul 1, 2018 at 5:20 PM, William Corcoran <wlc(a)jctaylor.com> wrote:
No! no! no! The 3b2 was one of the first supermicros
to fully integrate
power management with the system. Yanking the cord would be unthinkable
mainly because it was unnecessary. The shutdown script would remove power
to the the system once the system safely went down and buffers were flushed.
You could also depress this massive rocket switch on the side of the unit
and it would kick off the powerdown script. It is noteworthy that the 3b2
power switch was stateless...allowing human and computer to turn off the
power.
Finally, the 3b2 is probably the only system in the world with system
diagnostics so in depth that they were nearly as significant as the
operating system. It’s a telecommunications thing. Interestingly, the
color of the 3b2 was similar to a VAX Brown and White.
On Jul 1, 2018, at 6:24 PM, John P. Linderman <jpl.jpl(a)gmail.com> wrote:
Puns aside, anyone who didn't consider pulling the plug was probably not
someone who should be bringing the system down.
On Sat, Jun 30, 2018 at 10:17 PM, Greg 'groggy' Lehey <grog(a)lemis.com>
wrote:
On Saturday, 30 June 2018 at 7:15:07 -0400, Norman Wilson wrote:
Ron Natalie:
My favorite 3B2ism was that the power switch was soft (uncommon then,
not so
much now). I seem to recall that if the logged in user wasn't in a
particular group, pushing the power button was a no-op. You didn't
have
sufficient privs to operate the power.
====
Surely you mean the current user didn't have sufficent power.
Or was experiencing too much resistance?
Greg
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