History of the EPO (Emergency Power Off)

Thu Jul 26 04:23:26 UTC 2007

From: "Sean Donelan" <sean at donelan.com>
Subject: History of the EPO (Emergency Power Off)

>> The interesting thing about the EPO and data centers is it wasn't
 orginally for life-safety, but came out of a recommendation by IBM
 to the NFPA for property protection.<<

Fwiw, the EPO on  IBM's mainframes back in those days, had to be -pulled- and had a mechanical 'latch' that kept it from being 
pushed back in.  Took both hands to reset it.

--Michael