Hi Gil,
Dunno, never thought about it as an Operator, but as a Sysprog that seems
likely....
360/75J, running OS/MVT, and later OS/VS1 (?). Gubmint installation.
Thanks!
BobL
-----Original Message-----
From: IBM Mainframe Discussion List <[email protected]> On Behalf Of
Paul Gilmartin
Sent: Monday, July 22, 2019 1:53 PM
To: [email protected]
Subject: [EXT] Re: Friday!
On Mon, 22 Jul 2019 19:46:05 +0000, Lester, Bob wrote:
>
> This was (in 1976/77) a procedure where various front panel toggle
> switched were toggled, and a button was pushed. This caused the machine
> panel lights to flash in a pattern. It was called "rippling core" and was
> to invalidate any data left prior to IPL'ing the machine with a different
> environment.
>
Was this actually loading a small program from the toggle switches?
Do you remember the model #?
-- gil
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